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Park West Asset Management LLC

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13F filer, CIK 1386928, SAN FRANCISCO, CA

Park West Asset Management LLC reported $1,178,179,348 across 52 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 47.95% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-006510

Period
2026-03-31
Reported value
$1.18B
Holdings
52
Top 10 weight
47.95%
New
17
Sold out
13

Largest buys vs the previous quarter

SecurityShares changeApprox. value
HQYnew+623,156$52.1M
BKDadded+2,859,625$39.1M
OPLNnew+1,245,863$36.3M
SMTCnew+385,000$29.6M
PRMBadded+1,464,892$27.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
TSEMreduced-268,764-$47.2M
FLUTexited-181,520-$39M
TTMIexited-543,167-$37.5M
VERXexited-1,833,428-$36.6M
GTMexited-3,500,000-$35.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001214659-26-006510, largest first. % of portfolio is the value over $1,132,034,348, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 170,000 shares; 2025Q3: 300,000 shares; 2025Q4: 352,000 shares; 2026Q1: 285,000 shares 285,000$82M7.24%-67,000Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 331,270 shares; 2024Q4: 186,170 shares; 2025Q1: 237,570 shares; 2025Q2: 250,970 shares; 2025Q3: 285,770 shares; 2025Q4: 300,870 shares; 2026Q1: 370,970 shares 370,970$77.3M6.83%+70,100Timeline
FLEXFLEX LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,189,200 shares; 2024Q4: 462,886 shares; 2025Q1: 437,500 shares; 2025Q2: 500,000 shares; 2025Q3: 1,073,000 shares; 2025Q4: 981,995 shares; 2026Q1: 991,497 shares 991,497$64.9M5.73%+9,502Timeline
MKSIMKS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 60,000 shares; 2025Q4: 278,614 shares; 2026Q1: 249,240 shares 249,240$57.3M5.06%-29,374Timeline
HQYHEALTHEQUITY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 623,156 shares 623,156$52.1M4.6%newTimeline
PRMBPRIMO BRANDS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,600,000 shares; 2025Q4: 1,250,000 shares; 2026Q1: 2,714,892 shares 2,714,892$51.1M4.52%+1,464,892Timeline
BKDBROOKDALE SR LIVING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 717,000 shares; 2026Q1: 3,576,625 shares 3,576,625$48.9M4.32%+2,859,625Timeline
PRCHPORCH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,928,061 shares; 2025Q3: 2,182,916 shares; 2025Q4: 5,050,000 shares; 2026Q1: 5,097,192 shares 5,097,192$36.5M3.23%+47,192Timeline
CCOICOGENT COMM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 221,300 shares; 2025Q3: not reported; 2025Q4: 1,409,096 shares; 2026Q1: 1,935,201 shares 1,935,201$36.5M3.22%+526,105Timeline
OPLNOPENLANE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,245,863 shares 1,245,863$36.3M3.21%newTimeline
BDXBECTON DICKINSON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 140,000 shares; 2026Q1: 230,000 shares 230,000$36.2M3.19%+90,000Timeline
ZZILLOW GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,087,500 shares; 2024Q4: 797,714 shares; 2025Q1: 947,482 shares; 2025Q2: 800,000 shares; 2025Q3: 800,000 shares; 2025Q4: 1,035,000 shares; 2026Q1: 861,580 shares 861,580$35.7M3.15%-173,420Timeline
ENVAENOVA INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 151,525 shares; 2025Q2: 149,811 shares; 2025Q3: 223,711 shares; 2025Q4: 209,011 shares; 2026Q1: 246,263 shares 246,263$33.4M2.95%+37,252Timeline
SMTCSEMTECH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 385,000 shares 385,000$29.6M2.61%newTimeline
CNKCINEMARK HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 547,055 shares; 2024Q4: 619,424 shares; 2025Q1: 1,104,682 shares; 2025Q2: 1,043,590 shares; 2025Q3: 1,255,287 shares; 2025Q4: 1,450,000 shares; 2026Q1: 1,024,099 shares 1,024,099$29.2M2.58%-425,901Timeline
KEXKIRBY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 531,914 shares; 2024Q4: 458,279 shares; 2025Q1: 776,000 shares; 2025Q2: 750,000 shares; 2025Q3: 125,000 shares; 2025Q4: 66,300 shares; 2026Q1: 212,510 shares 212,510$28.2M2.49%+146,210Timeline
SNPSSYNOPSYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 46,900 shares; 2026Q1: 63,900 shares 63,900$25.3M2.24%+17,000Timeline
GEOGEO GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,455,390 shares 1,455,390$24.5M2.16%newTimeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 65,000 shares; 2026Q1: 130,000 shares 130,000$22.7M2%+65,000Timeline
CPNGCOUPANG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,216,000 shares; 2025Q3: 1,035,000 shares; 2025Q4: 1,430,000 shares; 2026Q1: 1,146,600 shares 1,146,600$21.6M1.91%-283,400Timeline
FTREFORTREA HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,206,556 shares; 2025Q4: 2,038,159 shares; 2026Q1: 2,257,324 shares 2,257,324$21.3M1.88%+219,165Timeline
WDCWESTERN DIGITAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 930,000 shares; 2025Q1: 850,000 shares; 2025Q2: 700,000 shares; 2025Q3: 385,000 shares; 2025Q4: 111,527 shares; 2026Q1: 75,027 shares 75,027$20.3M1.79%-36,500Timeline
TOSTTOAST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 651,369 shares; 2024Q4: 292,075 shares; 2025Q1: 656,575 shares; 2025Q2: 562,075 shares; 2025Q3: 560,575 shares; 2025Q4: 719,575 shares; 2026Q1: 742,125 shares 742,125$19.7M1.74%+22,550Timeline
WULFTERAWULF INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 580,000 shares; 2025Q4: 1,423,100 shares; 2026Q1: 1,248,801 shares 1,248,801$18M1.59%-174,299Timeline
MCYMERCURY GENL CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 282,528 shares; 2025Q4: 329,435 shares; 2026Q1: 193,006 shares 193,006$17M1.5%-136,429Timeline
CRHCRH PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 592,000 shares; 2024Q4: 568,000 shares; 2025Q1: 476,461 shares; 2025Q2: 514,654 shares; 2025Q3: 225,000 shares; 2025Q4: 200,000 shares; 2026Q1: 160,000 shares 160,000$16.8M1.49%-40,000Timeline
TFXTELEFLEX INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 129,400 shares 129,400$15.5M1.37%newTimeline
DHCDIVERSIFIED HEALTHCARE TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 3,576,386 shares; 2025Q2: 3,576,386 shares; 2025Q3: 1,665,002 shares; 2025Q4: 1,850,002 shares; 2026Q1: 2,327,403 shares 2,327,403$15.5M1.37%+477,401Timeline
TSEMTOWER SEMICONDUCTOR LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 590,000 shares; 2025Q4: 355,304 shares; 2026Q1: 86,540 shares 86,540$15.2M1.34%-268,764Timeline
FPSFORGENT POWER SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 518,024 shares 518,024$15.2M1.34%newTimeline
TIGOMILLICOM INTL CELLULAR S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 246,497 shares; 2025Q1: 1,510,977 shares; 2025Q2: 1,377,477 shares; 2025Q3: 450,527 shares; 2025Q4: 335,130 shares; 2026Q1: 186,030 shares 186,030$13.9M1.23%-149,100Timeline
CVSCVS HEALTH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 147,000 shares; 2026Q1: 176,500 shares 176,500$12.7M1.12%+29,500Timeline
MAMAMAMAS CREATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 800,000 shares; 2025Q4: 800,000 shares; 2026Q1: 800,000 shares 800,000$12.3M1.08%0Timeline
ENOVENOVIS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 306,300 shares; 2026Q1: 520,592 shares 520,592$11.8M1.05%+214,292Timeline
OPCHOPTION CARE HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,361,178 shares; 2024Q4: 1,946,191 shares; 2025Q1: 1,056,804 shares; 2025Q2: 1,492,304 shares; 2025Q3: 764,525 shares; 2025Q4: 354,425 shares; 2026Q1: 423,554 shares 423,554$11.4M1.01%+69,129Timeline
HUTHUT 8 CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 253,500 shares; 2026Q1: 240,250 shares 240,250$11.3M1%-13,250Timeline
CRLCHARLES RIV LABS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 44,800 shares 44,800$7.73M0.68%newTimeline
IRENIREN LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 681,100 shares; 2025Q4: 184,850 shares; 2026Q1: 223,850 shares 223,850$7.67M0.68%+39,000Timeline
UTIUNIVERSAL TECHNICAL INST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,903,330 shares; 2024Q4: 1,361,986 shares; 2025Q1: 762,915 shares; 2025Q2: 472,915 shares; 2025Q3: 467,273 shares; 2025Q4: 496,923 shares; 2026Q1: 210,115 shares 210,115$7.59M0.67%-286,808Timeline
MGNIMAGNITE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 598,380 shares 598,380$7.11M0.63%newTimeline
AZTAAZENTA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 300,000 shares; 2025Q1: 331,743 shares; 2025Q2: 783,743 shares; 2025Q3: 443,515 shares; 2025Q4: 700,003 shares; 2026Q1: 327,893 shares 327,893$6.93M0.61%-372,110Timeline
LADLITHIA MTRS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 200,400 shares; 2025Q2: 126,158 shares; 2025Q3: 60,000 shares; 2025Q4: 100,000 shares; 2026Q1: 25,468 shares 25,468$6.36M0.56%-74,532Timeline
RYAMRAYONIER ADVANCED MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 442,000 shares 442,000$4.89M0.43%newTimeline
OIMONEIM ACQUISITION CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 300,000 shares 300,000$2.99M0.26%newTimeline
CXWCORECIVIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 116,494 shares 116,494$2.2M0.19%newTimeline
SYMSYMBOTIC INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 25,000 shares 25,000$1.33M0.12%newTimeline
SPWRWSUNPOWER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 600,105 shares; 2024Q4: 600,105 shares; 2025Q1: 600,105 shares; 2025Q2: 600,105 shares; 2025Q3: 600,105 shares; 2025Q4: 600,105 shares; 2026Q1: 600,105 shares 600,105$150K0.01%0Timeline
OIMAWONEIM ACQUISITION CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 49,999 shares 49,999$36.2K<0.01%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
ZZILLOW GROUP INC Stockcall500,000$20.7Mnew
CNKCINEMARK HLDGS INC Stockcall500,000$14.3Mnew
TTDTHE TRADE DESK INC STOKcall300,000$6.81Mnew
UUNITY SOFTWARE INC Stockcall200,000$4.39Mnew

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
FLUTFLUTTER ENTMT PLC181,520$39Mshares
TTMITTM TECHNOLOGIES INC543,167$37.5Mshares
VERXVERTEX INC1,833,428$36.6Mshares
GTMZOOMINFO TECHNOLOGIES INC3,500,000$35.6Mshares
ALVAUTOLIV INC175,000$20.8Mshares
LADLITHIA MTRS INC50,000$16.6Mcall
BTSGBRIGHTSPRING HEALTH SVCS INC294,056$11Mshares
PHRPHREESIA INC522,995$8.85Mshares
KRCKILROY REALTY CORP175,000$6.54Mshares
HPPHUDSON PACIFIC PROPERTIES IN414,626$4.49Mshares
TBPHTHERAVANCE BIOPHARMA INC181,507$3.4Mshares
OMFONEMAIN HLDGS INC40,645$2.75Mshares
SVCSERVICE PPTYS TR926,020$1.7Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-26-006510 base2026-05-15acceptance time not in the bulk data set