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Arvin Capital Management LP

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13F filer, CIK 1961738, AUSTIN, TX

Arvin Capital Management LP reported $819,088,229 across 50 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-14. Its ten largest share positions make up 76.35% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001961738-26-000002

Period
2026-03-31
Reported value
$819M
Holdings
50
Top 10 weight
76.35%
New
30
Sold out
20

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TMOadded+43,897$21.6M
AKAMnew+135,152$15.5M
RBAadded+144,504$13.9M
FICOnew+11,217$12M
AMTMadded+434,708$11.3M

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
GEHCexited-303,912-$24.9M
SNPSexited-43,830-$20.6M
EFXexited-73,532-$16M
AMZNreduced-53,269-$11.1M
ICLRexited-50,160-$9.14M

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 0001961738-26-000002, largest first. % of portfolio is the value over $427,876,578, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TACTRANSALTA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 2,427,764 shares; 2025Q2: 2,933,500 shares; 2025Q3: 3,107,000 shares; 2025Q4: 3,819,100 shares; 2026Q1: 4,488,235 shares 4,488,235$58.8M13.74%+669,135Timeline
TMOTHERMO FISHER SCIENTIFIC 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: 51,967 shares; 2025Q3: 82,470 shares; 2025Q4: 67,800 shares; 2026Q1: 111,697 shares 111,697$54.9M12.83%+43,897Timeline
AMTMAMENTUM HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 965,197 shares; 2025Q1: 1,687,149 shares; 2025Q2: 2,139,434 shares; 2025Q3: 1,636,492 shares; 2025Q4: 1,636,492 shares; 2026Q1: 2,071,200 shares 2,071,200$54M12.62%+434,708Timeline
DHRDANAHER CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 31,170 shares; 2024Q4: 42,001 shares; 2025Q1: 62,681 shares; 2025Q2: 147,843 shares; 2025Q3: 145,900 shares; 2025Q4: 136,502 shares; 2026Q1: 185,510 shares 185,510$35.2M8.22%+49,008Timeline
RBARB GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 48,582 shares; 2025Q1: 173,092 shares; 2025Q2: 131,247 shares; 2025Q3: 95,100 shares; 2025Q4: 155,996 shares; 2026Q1: 300,500 shares 300,500$28.8M6.73%+144,504Timeline
GXOGXO LOGISTICS INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 218,496 shares; 2025Q1: not reported; 2025Q2: 303,625 shares; 2025Q3: 440,800 shares; 2025Q4: 507,159 shares; 2026Q1: 525,419 shares 525,419$27.2M6.37%+18,260Timeline
OPCHOPTION CARE HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 506,655 shares; 2025Q2: 474,263 shares; 2025Q3: 742,361 shares; 2025Q4: 488,572 shares; 2026Q1: 699,458 shares 699,458$18.8M4.4%+210,886Timeline
CRSCARPENTER TECHNOLOGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 106,410 shares; 2024Q4: 103,695 shares; 2025Q1: 127,729 shares; 2025Q2: 64,579 shares; 2025Q3: 101,700 shares; 2025Q4: 68,947 shares; 2026Q1: 46,300 shares 46,300$18.2M4.27%-22,647Timeline
AKAMAKAMAI TECHNOLOGIES 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: 135,152 shares 135,152$15.5M3.63%newTimeline
QQNITY ELECTRONICS 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: 115,354 shares; 2026Q1: 131,303 shares 131,303$15.1M3.54%+15,949Timeline
CEGCONSTELLATION ENERGY 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: 32,560 shares; 2025Q3: 26,132 shares; 2025Q4: 39,198 shares; 2026Q1: 52,215 shares 52,215$14.6M3.41%+13,017Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 110,094 shares; 2024Q4: 70,899 shares; 2025Q1: 45,779 shares; 2025Q2: 82,801 shares; 2025Q3: 107,472 shares; 2025Q4: 110,898 shares; 2026Q1: 57,629 shares 57,629$12M2.81%-53,269Timeline
FICOFAIR ISAAC 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: 11,217 shares 11,217$12M2.8%newTimeline
ACVAACV AUCTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 407,261 shares; 2024Q4: 65,130 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 616,190 shares; 2025Q4: 2,296,913 shares; 2026Q1: 2,659,898 shares 2,659,898$11.3M2.64%+362,985Timeline
TECHBIO-TECHNE 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: 170,208 shares; 2025Q3: not reported; 2025Q4: 299,535 shares; 2026Q1: 204,304 shares 204,304$10.7M2.5%-95,231Timeline
ALAIR LEASE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 136,010 shares; 2025Q2: 245,540 shares; 2025Q3: 347,664 shares; 2025Q4: 151,059 shares; 2026Q1: 151,059 shares 151,059$9.81M2.29%0Timeline
TSEMTOWER SEMICONDUCTOR LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 218,260 shares; 2025Q1: 614,810 shares; 2025Q2: 291,312 shares; 2025Q3: 170,976 shares; 2025Q4: 44,135 shares; 2026Q1: 44,135 shares 44,135$7.74M1.81%0Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 7,064 shares; 2025Q1: 10,954 shares; 2025Q2: 4,796 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 11,200 shares 11,200$6.41M1.5%newTimeline
UUNITY SOFTWARE 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: 234,658 shares; 2025Q4: 108,588 shares; 2026Q1: 220,382 shares 220,382$4.84M1.13%+111,794Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 18,868 shares; 2024Q4: 9,918 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 24,600 shares; 2025Q4: not reported; 2026Q1: 12,300 shares 12,300$4.55M1.06%newTimeline
SOLSSOLSTICE 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: 40,601 shares 40,601$3.09M0.72%newTimeline
WATWATERS 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: 10,174 shares 10,174$3.03M0.71%newTimeline
RIGTRANSOCEAN 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: not reported; 2025Q4: not reported; 2026Q1: 182,000 shares 182,000$1.21M0.28%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
MSFTMICROSOFT CORP COMcall204,000$75.5Mnew
EFAISHARES TR MSCI EAFE ETFput480,000$46.6Mnew
TMOTHERMO FISHER SCIENTIFIC INC COMcall50,000$24.6Mnew
SMHVANECK ETF TRUST COMput60,000$23Mnew
EWTISHARES INC MSCI TAIWAN ETFput312,800$22.2Mnew
AKAMAKAMAI TECHNOLOGIES INC Stockcall160,000$18.4Mnew
CEGCONSTELLATION ENERGY CORP Stockcall65,000$18.2Mnew
QQQINVESCO QQQ TR COMput30,000$17.3M0
METAMETA PLATFORMS INC COMcall30,000$17.2Mnew
RKTROCKET COS INC COM CL Acall1,120,000$16Mnew
AMTMAMENTUM HOLDINGS INC Stockcall596,500$15.6M+432,000
PDDPDD HOLDINGS INC ADRput135,200$13.8Mnew
ONON SEMICONDUCTOR CORP Stockcall200,000$12.4Mnew
GXOGXO LOGISTICS INCORPORATED Stockcall178,400$9.25Mnew
PINSPINTEREST INC Stockcall500,000$9.17Mnew
NVDANVIDIA CORPORATION COMcall50,000$8.72Mnew
DHRDANAHER CORP DEL COMcall40,000$7.58M+3,000
WOLFWOLFSPEED INC COMMON STOCKcall400,000$6.53Mnew
FICOFAIR ISAAC CORP Stockcall6,000$6.41Mnew
ENTGENTEGRIS INC Stockput50,000$5.86Mnew
UUNITY SOFTWARE INC Stockcall234,000$5.13Mnew
NFLXNETFLIX INC. COMput41,600$4Mnew
AMTMAMENTUM HOLDINGS INC Stockput150,000$3.91Mnew
COMPCOMPASS INC CL Acall241,900$1.77Mnew
AMZNAMAZON COM INC COMcall8,000$1.67M-17,000
NFLXNETFLIX INC. COMcall3,600$346Knew
UNPUNION PAC CORP COMcall1,000$243Knew

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
GEHCGE HEALTHCARE TECHNOLOGIES I303,912$24.9Mshares
SNPSSYNOPSYS INC43,830$20.6Mshares
EFXEQUIFAX INC73,532$16Mshares
ICLRICON PUB LTD CO50,160$9.14Mshares
IQVIQVIA HLDGS INC38,600$8.7Mshares
FNDFLOOR & DECOR HLDGS INC122,964$7.49Mshares
CMGCHIPOTLE MEXICAN GRILL INC187,712$6.95Mshares
ITRIITRON INC70,971$6.59Mshares
NVDANVIDIA CORPORATION35,100$6.55Mshares
FNDFLOOR & DECOR HLDGS INC100,000$6.09Mcall
TACTRANSALTA CORP402,200$5.08Mcall
TECHBIO-TECHNE CORP84,800$4.99Mcall
SNPSSYNOPSYS INC10,000$4.7Mcall
KBRKBR INC110,000$4.42Mcall
BABAALIBABA GROUP HLDG LTD23,000$3.37Mcall
ECHOECHOSTAR CORP25,800$2.8Mshares
BEBLOOM ENERGY CORP25,200$2.19Mshares
SRADSPORTRADAR GROUP AG59,800$1.42Mshares
CCOICOGENT COMM HOLDINGS INC18,500$399Kcall
ICLRICON PUB LTD CO2,100$383Kcall

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 0001961738-26-000002 base2026-05-14acceptance time not in the bulk data set