Arvin Capital Management LP — 13F Holdings & Portfolio
CIK 1961738 · latest 13F-HR filed 2026-05-14
Arvin Capital Management LP manages $819.1M in 13F-reported U.S. long-equity assets across 50 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are MSFT (9.22%), TAC (7.18%), TMO (6.70%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 7 new positions, exited 12, added to 9, and trimmed 4.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$819.1M
Long-equity book
50
Distinct positions
2026-03-31
Filed 2026-05-14
+7 / −12 / ↑9 / ↓4
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- THERMO FISHER SCIENTIFIC INC$15.6M +39.7%
- RB GLOBAL INC$12.8M +79.5%
- TRANSALTA CORP$10.5M +21.8%
- AMENTUM HOLDINGS INC$6.6M +13.8%
- QNITY ELECTRONICS INC$5.7M +60.8%
Top Trims
- AMAZON COM INC-$13.6M -53.1%
- ACV AUCTIONS INC-$7.1M -38.8%
- BIO-TECHNE CORP-$6.9M -39.4%
- CARPENTER TECHNOLOGY CORP-$3.5M -15.9%
New Positions
- AKAMAI TECHNOLOGIES INC$15.5M
- FAIR ISAAC CORP$12.0M
- META PLATFORMS INC$6.4M
- MICROSOFT CORP$4.6M
- SOLSTICE ADVANCED MATLS INC$3.1M
Exited Positions
- GE HEALTHCARE TECHNOLOGIES I$24.9M
- SYNOPSYS INC$20.6M
- EQUIFAX INC$16.0M
- ICON PLC$9.1M
- IQVIA HLDGS INC$8.7M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | MICROSOFT CORP Call | MSFT | 594918104 | $75.5M | 9.22% | 204,000 | SH |
| 2 | TRANSALTA CORP | TAC | 89346D107 | $58.8M | 7.18% | 4,488,235 | SH |
| 3 | THERMO FISHER SCIENTIFIC INC | TMO | 883556102 | $54.9M | 6.70% | 111,697 | SH |
| 4 | AMENTUM HOLDINGS INC | AMTM | 023939101 | $54.0M | 6.59% | 2,071,200 | SH |
| 5 | ISHARES TR Put | EFA | 464287465 | $46.6M | 5.69% | 480,000 | SH |
| 6 | DANAHER CORP DEL | DHR | 235851102 | $35.2M | 4.29% | 185,510 | SH |
| 7 | RB GLOBAL INC | RBA | 74935Q107 | $28.8M | 3.52% | 300,500 | SH |
| 8 | GXO LOGISTICS INCORPORATED | GXO | 36262G101 | $27.2M | 3.33% | 525,419 | SH |
| 9 | THERMO FISHER SCIENTIFIC INC Call | TMO | 883556102 | $24.6M | 3.00% | 50,000 | SH |
| 10 | VANECK ETF TRUST Put | SMH | 92189F676 | $23.0M | 2.81% | 60,000 | SH |
| 11 | ISHARES INC Put | EWT | 46434G772 | $22.2M | 2.71% | 312,800 | SH |
| 12 | OPTION CARE HEALTH INC | OPCH | 68404L201 | $18.8M | 2.30% | 699,458 | SH |
| 13 | AKAMAI TECHNOLOGIES INC Call | AKAM | 00971T101 | $18.4M | 2.24% | 160,000 | SH |
| 14 | CARPENTER TECHNOLOGY CORP | CRS | 144285103 | $18.2M | 2.23% | 46,300 | SH |
| 15 | CONSTELLATION ENERGY CORP Call | CEG | 21037T109 | $18.2M | 2.22% | 65,000 | SH |
| 16 | INVESCO QQQ TR Put | QQQ | 46090E103 | $17.3M | 2.11% | 30,000 | SH |
| 17 | META PLATFORMS INC Call | META | 30303M102 | $17.2M | 2.10% | 30,000 | SH |
| 18 | ROCKET COS INC Call | RKT | 77311W101 | $16.0M | 1.95% | 1,120,000 | SH |
| 19 | AMENTUM HOLDINGS INC Call | AMTM | 023939101 | $15.6M | 1.90% | 596,500 | SH |
| 20 | AKAMAI TECHNOLOGIES INC | AKAM | 00971T101 | $15.5M | 1.90% | 135,152 | SH |
| 21 | QNITY ELECTRONICS INC | Q | 74743L100 | $15.1M | 1.85% | 131,303 | SH |
| 22 | CONSTELLATION ENERGY CORP | CEG | 21037T109 | $14.6M | 1.78% | 52,215 | SH |
| 23 | PDD HOLDINGS INC Put | PDD | 722304102 | $13.8M | 1.69% | 135,200 | SH |
| 24 | ON SEMICONDUCTOR CORP Call | ON | 682189105 | $12.4M | 1.51% | 200,000 | SH |
| 25 | AMAZON COM INC | AMZN | 023135106 | $12.0M | 1.47% | 57,629 | SH |
| 26 | FAIR ISAAC CORP | FICO | 303250104 | $12.0M | 1.46% | 11,217 | SH |
| 27 | ACV AUCTIONS INC | ACVA | 00091G104 | $11.3M | 1.38% | 2,659,898 | SH |
| 28 | BIO-TECHNE CORP | TECH | 09073M104 | $10.7M | 1.30% | 204,304 | SH |
| 29 | AIR LEASE CORP | AL | 00912X302 | $9.8M | 1.20% | 151,059 | SH |
| 30 | GXO LOGISTICS INCORPORATED Call | GXO | 36262G101 | $9.3M | 1.13% | 178,400 | SH |
| 31 | PINTEREST INC Call | PINS | 72352L106 | $9.2M | 1.12% | 500,000 | SH |
| 32 | NVIDIA CORPORATION Call | NVDA | 67066G104 | $8.7M | 1.06% | 50,000 | SH |
| 33 | TOWER SEMICONDUCTOR LTD | TSEM | M87915274 | $7.7M | 0.95% | 44,135 | SH |
| 34 | DANAHER CORP DEL Call | DHR | 235851102 | $7.6M | 0.93% | 40,000 | SH |
| 35 | WOLFSPEED INC Call | WOLF | 97785W106 | $6.5M | 0.80% | 400,000 | SH |
| 36 | META PLATFORMS INC | META | 30303M102 | $6.4M | 0.78% | 11,200 | SH |
| 37 | FAIR ISAAC CORP Call | FICO | 303250104 | $6.4M | 0.78% | 6,000 | SH |
| 38 | ENTEGRIS INC Put | ENTG | 29362U104 | $5.9M | 0.72% | 50,000 | SH |
| 39 | UNITY SOFTWARE INC Call | U | 91332U101 | $5.1M | 0.63% | 234,000 | SH |
| 40 | UNITY SOFTWARE INC | U | 91332U101 | $4.8M | 0.59% | 220,382 | SH |
| 41 | MICROSOFT CORP | MSFT | 594918104 | $4.6M | 0.56% | 12,300 | SH |
| 42 | NETFLIX INC. Put | NFLX | 64110L106 | $4.0M | 0.49% | 41,600 | SH |
| 43 | AMENTUM HOLDINGS INC Put | AMTM | 023939101 | $3.9M | 0.48% | 150,000 | SH |
| 44 | SOLSTICE ADVANCED MATLS INC | SOLS | 83443Q103 | $3.1M | 0.38% | 40,601 | SH |
| 45 | WATERS CORP | WAT | 941848103 | $3.0M | 0.37% | 10,174 | SH |
| 46 | COMPASS INC Call | COMP | 20464U100 | $1.8M | 0.22% | 241,900 | SH |
| 47 | AMAZON COM INC Call | AMZN | 023135106 | $1.7M | 0.20% | 8,000 | SH |
| 48 | TRANSOCEAN LTD | RIG | H8817H100 | $1.2M | 0.15% | 182,000 | SH |
| 49 | NETFLIX INC. Call | NFLX | 64110L106 | $346.1K | 0.04% | 3,600 | SH |
| 50 | UNION PAC CORP Call | UNP | 907818108 | $242.6K | 0.03% | 1,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-14 | $819.1M | 50 | 0001961738-26-000002 |
| 2025-12-31 | 2026-02-13 | $531.0M | 40 | 0001961738-26-000001 |
| 2025-09-30 | 2025-11-12 | $553.8M | 36 | 0001961738-25-000010 |