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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 $1,204,182,371 across 48 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-17. Its ten largest share positions make up 46.74% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-002042

Period
2025-12-31
Reported value
$1.2B
Holdings
48
Top 10 weight
46.74%
New
12
Sold out
10

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TTMInew+543,167$37.5M
MKSIadded+218,614$34.9M
CCOInew+1,409,096$30.4M
BDXnew+140,000$27.2M
PRCHadded+2,867,084$26.2M

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
WDCreduced-273,473-$47.1M
LNWOexited-370,183-$31.1M
TSEMreduced-234,696-$27.6M
FLUTreduced-103,480-$22.3M
METAexited-30,000-$22M

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, Q4 2025

Share positions as resolved from 13F-HR 0001214659-26-002042, largest first. % of portfolio is the value over $1,187,565,871, 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; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 170,000 shares; 2025Q3: 300,000 shares; 2025Q4: 352,000 shares 352,000$110M9.28%+52,000Timeline
ZZILLOW GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 1,035,000$70.6M5.95%+235,000Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 300,870$69.4M5.85%+15,100Timeline
FLEXFLEX LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 981,995$59.3M5%-91,005Timeline
PRCHPORCH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 5,050,000$46.1M3.88%+2,867,084Timeline
MKSIMKS INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 60,000 shares; 2025Q4: 278,614 shares 278,614$44.5M3.75%+218,614Timeline
TSEMTOWER SEMICONDUCTOR LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 590,000 shares; 2025Q4: 355,304 shares 355,304$41.7M3.51%-234,696Timeline
FLUTFLUTTER ENTMT PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 150,000 shares; 2025Q3: 285,000 shares; 2025Q4: 181,520 shares 181,520$39M3.29%-103,480Timeline
TTMITTM TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 543,167 shares 543,167$37.5M3.16%newTimeline
VERXVERTEX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,250,000 shares; 2025Q4: 1,833,428 shares 1,833,428$36.6M3.08%+583,428Timeline
GTMZOOMINFO TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 2,659,900 shares; 2025Q2: 2,559,900 shares; 2025Q3: 1,813,768 shares; 2025Q4: 3,500,000 shares 3,500,000$35.6M3%+1,686,232Timeline
FTREFORTREA HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,206,556 shares; 2025Q4: 2,038,159 shares 2,038,159$35.2M2.96%-168,397Timeline
CPNGCOUPANG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 1,430,000$33.7M2.84%+395,000Timeline
CNKCINEMARK HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 1,450,000$33.7M2.84%+194,713Timeline
LADLITHIA MTRS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 200,400 shares; 2025Q2: 126,158 shares; 2025Q3: 60,000 shares; 2025Q4: 100,000 shares 100,000$33.2M2.8%+40,000Timeline
ENVAENOVA INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 151,525 shares; 2025Q2: 149,811 shares; 2025Q3: 223,711 shares; 2025Q4: 209,011 shares 209,011$32.9M2.77%-14,700Timeline
MCYMERCURY GENL CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 282,528 shares; 2025Q4: 329,435 shares 329,435$31M2.61%+46,907Timeline
CCOICOGENT COMM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 221,300 shares; 2025Q3: not reported; 2025Q4: 1,409,096 shares 1,409,096$30.4M2.56%newTimeline
BDXBECTON DICKINSON & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 140,000 shares 140,000$27.2M2.29%newTimeline
TOSTTOAST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 719,575$25.6M2.15%+159,000Timeline
CRHCRH PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 200,000$25M2.1%-25,000Timeline
AZTAAZENTA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 700,003$23.3M1.96%+256,488Timeline
SNPSSYNOPSYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 46,900 shares 46,900$22M1.86%newTimeline
ALVAUTOLIV INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 400,000 shares; 2024Q4: 625,000 shares; 2025Q1: 541,308 shares; 2025Q2: 411,000 shares; 2025Q3: 259,529 shares; 2025Q4: 175,000 shares 175,000$20.8M1.75%-84,529Timeline
PRMBPRIMO BRANDS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,600,000 shares; 2025Q4: 1,250,000 shares 1,250,000$20.4M1.72%-350,000Timeline
WDCWESTERN DIGITAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 111,527$19.2M1.62%-273,473Timeline
TIGOMILLICOM INTL CELLULAR S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 335,130$18.6M1.56%-115,397Timeline
WULFTERAWULF INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 580,000 shares; 2025Q4: 1,423,100 shares 1,423,100$16.4M1.38%+843,100Timeline
UTIUNIVERSAL TECHNICAL INST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 496,923$13M1.09%+29,650Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 65,000 shares 65,000$12.1M1.02%newTimeline
CVSCVS HEALTH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 147,000 shares 147,000$11.7M0.98%newTimeline
HUTHUT 8 CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 253,500 shares 253,500$11.6M0.98%newTimeline
OPCHOPTION CARE HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 354,425$11.3M0.95%-410,100Timeline
BTSGBRIGHTSPRING HEALTH SVCS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 838,056 shares; 2025Q3: 453,056 shares; 2025Q4: 294,056 shares 294,056$11M0.93%-159,000Timeline
MAMAMAMAS CREATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 800,000 shares; 2025Q4: 800,000 shares 800,000$10.8M0.91%0Timeline
DHCDIVERSIFIED HEALTHCARE TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 1,850,002$8.97M0.76%+185,000Timeline
PHRPHREESIA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 423,570 shares; 2025Q1: 894,501 shares; 2025Q2: 1,121,497 shares; 2025Q3: 905,995 shares; 2025Q4: 522,995 shares 522,995$8.85M0.75%-383,000Timeline
ENOVENOVIS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 306,300 shares 306,300$8.16M0.69%newTimeline
BKDBROOKDALE SR LIVING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 717,000 shares 717,000$7.74M0.65%newTimeline
KEXKIRBY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 66,300$7.3M0.62%-58,700Timeline
IRENIREN LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 681,100 shares; 2025Q4: 184,850 shares 184,850$6.98M0.59%-496,250Timeline
KRCKILROY REALTY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 175,000 shares; 2025Q4: 175,000 shares 175,000$6.54M0.55%0Timeline
HPPHUDSON PACIFIC PROPERTIES INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 414,626 shares 414,626$4.49M0.38%newTimeline
TBPHTHERAVANCE BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,862,988 shares; 2024Q4: 1,792,988 shares; 2025Q1: 1,804,244 shares; 2025Q2: 1,799,081 shares; 2025Q3: 1,284,081 shares; 2025Q4: 181,507 shares 181,507$3.4M0.29%-1,102,574Timeline
OMFONEMAIN HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,005,559 shares; 2024Q4: 704,759 shares; 2025Q1: 737,759 shares; 2025Q2: 555,009 shares; 2025Q3: 240,945 shares; 2025Q4: 40,645 shares 40,645$2.75M0.23%-200,300Timeline
SVCSERVICE PPTYS TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 926,020 shares 926,020$1.7M0.14%newTimeline
SPWRWSUNPOWER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 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 600,105$144K0.01%0Timeline

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
LADLITHIA MTRS INC Stockcall50,000$16.6Mnew

Sold out in Q4 2025

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

SecurityShares beforeValue beforeType
GOOGLALPHABET INC300,000$72.9Mcall
LNWOLIGHT & WONDER INC370,183$31.1Mshares
METAMETA PLATFORMS INC30,000$22Mshares
CPAYCORPAY INC66,100$19Mshares
FISFIDELITY NATL INFORMATION SV208,399$13.7Mshares
WDCWESTERN DIGITAL CORP100,000$12Mcall
CNKCINEMARK HLDGS INC300,000$8.41Mcall
BLNDBLEND LABS INC1,700,000$6.21Mshares
VYXNCR VOYIX CORPORATION205,495$2.58Mshares
HPPHUDSON PAC PPTYS INC799,000$2.21Mshares

How Q4 2025 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 0001214659-26-002042 base2026-02-17acceptance time not in the bulk data set