Arvin Capital Management LP's Q1 2026 13F: 7 new positions, 12 exits
Form 13F-HR for the quarter ended Mar 31, 2026 · filed May 14, 2026 · 23 reported positions · accession 0001961738-26-000002
What changed this quarter
| Activity | Security | Weight before | Weight now | Change | Shares | Shares % |
|---|---|---|---|---|---|---|
| Exited | GE HEALTHCARE TECHNOLOGIES I (GEHC) | 5.4% | — | −5.4 pts | −304K sh | −100% |
| Increased | THERMO FISHER SCIENTIFIC INC (TMO) | 8.5% | 12.8% | +4.4 pts | +43,897 sh | +65% |
| Exited | SYNOPSYS INC (SNPS) | 4.4% | — | −4.4 pts | −43,830 sh | −100% |
| New | AKAMAI TECHNOLOGIES INC (AKAM) | — | 3.6% | +3.6 pts | +135K sh | new |
| Exited | EQUIFAX INC (EFX) | 3.4% | — | −3.4 pts | −73,532 sh | −100% |
| Increased | RB GLOBAL INC (RBA) | 3.5% | 6.7% | +3.3 pts | +145K sh | +93% |
| New | FAIR ISAAC CORP (FICO) | — | 2.8% | +2.8 pts | +11,217 sh | new |
| Increased | AMENTUM HOLDINGS INC (AMTM) | 10.2% | 12.6% | +2.4 pts | +435K sh | +27% |
| Reduced | AMAZON COM INC (AMZN) | 5.5% | 2.8% | −2.7 pts | −53,269 sh | −48% |
| Increased | DANAHER CORP DEL (DHR) | 6.7% | 8.2% | +1.5 pts | +49,008 sh | +36% |
| Reduced | CARPENTER TECHNOLOGY CORP (CRS) | 4.7% | 4.3% | −0.4 pts | −22,647 sh | −33% |
| Increased | TRANSALTA CORP (TAC) | 10.4% | 13.7% | +3.3 pts | +669K sh | +18% |
| Exited | ICON PLC (ICLR) | 2.0% | — | −2.0 pts | −50,160 sh | −100% |
| Exited | IQVIA HLDGS INC (IQV) | 1.9% | — | −1.9 pts | −38,600 sh | −100% |
| Exited | FLOOR & DECOR HLDGS INC (FND) | 1.6% | — | −1.6 pts | −123K sh | −100% |
| New | META PLATFORMS INC (META) | — | 1.5% | +1.5 pts | +11,200 sh | new |
| Exited | CHIPOTLE MEXICAN GRILL INC (CMG) | 1.5% | — | −1.5 pts | −188K sh | −100% |
| Exited | ITRON INC (ITRI) | 1.4% | — | −1.4 pts | −70,971 sh | −100% |
| Exited | NVIDIA CORPORATION (NVDA) | 1.4% | — | −1.4 pts | −35,100 sh | −100% |
| Increased | OPTION CARE HEALTH INC (OPCH) | 3.4% | 4.4% | +1.0 pts | +211K sh | +43% |
| Reduced | BIO-TECHNE CORP (TECH) | 3.8% | 2.5% | −1.3 pts | −95,231 sh | −32% |
| New | MICROSOFT CORP (MSFT) | — | 1.1% | +1.1 pts | +12,300 sh | new |
| Increased | CONSTELLATION ENERGY CORP (CEG) | 3.0% | 3.4% | +0.4 pts | +13,017 sh | +33% |
| New | SOLSTICE ADVANCED MATLS INC (SOLS) | — | 0.7% | +0.7 pts | +40,601 sh | new |
| New | WATERS CORP (WAT) | — | 0.7% | +0.7 pts | +10,174 sh | new |
| Exited | ECHOSTAR CORP (SATS) | 0.6% | — | −0.6 pts | −25,800 sh | −100% |
| Increased | UNITY SOFTWARE INC (U) | 1.0% | 1.1% | +0.1 pts | +112K sh | +103% |
| Exited | BLOOM ENERGY CORP (BE) | 0.5% | — | −0.5 pts | −25,200 sh | −100% |
| Increased | QNITY ELECTRONICS INC (Q) | 2.0% | 3.5% | +1.5 pts | +15,949 sh | +14% |
| Increased | ACV AUCTIONS INC (ACVA) | 4.0% | 2.6% | −1.3 pts | +363K sh | +16% |
| Exited | SPORTRADAR GROUP AG (SRAD) | 0.3% | — | −0.3 pts | −59,800 sh | −100% |
| New | TRANSOCEAN LTD (RIG) | — | 0.3% | +0.3 pts | +182K sh | new |
| Increased | GXO LOGISTICS INCORPORATED (GXO) | 5.8% | 6.4% | +0.6 pts | +18,260 sh | +4% |
Reported by the fund in its Form 13F filed with the SEC; holdings are as of the quarter-end report date and may have changed since. For informational purposes only — not investment advice or a recommendation to buy or sell any security. FilingExplorer is not affiliated with or endorsed by this fund. How this brief is compiled
Top 10 positions — 76.4% of the equity book
Changes in the top 10 this quarter: RBA entered · OPCH entered · AKAM entered · Q entered · AMZN left · GEHC left · SNPS left · ACVA left
| # | Security | Weight before | Weight now | |
|---|---|---|---|---|
| 1 | TRANSALTA CORP (TAC) | 10.4% | 13.7% | |
| 2 | THERMO FISHER SCIENTIFIC INC (TMO) | 8.5% | 12.8% | |
| 3 | AMENTUM HOLDINGS INC (AMTM) | 10.2% | 12.6% | |
| 4 | DANAHER CORP DEL (DHR) | 6.7% | 8.2% | |
| 5 | RB GLOBAL INC (RBA) | 3.5% | 6.7% | Entered the top 10 |
| 6 | GXO LOGISTICS INCORPORATED (GXO) | 5.8% | 6.4% | |
| 7 | OPTION CARE HEALTH INC (OPCH) | 3.4% | 4.4% | Entered the top 10 |
| 8 | CARPENTER TECHNOLOGY CORP (CRS) | 4.7% | 4.3% | |
| 9 | AKAMAI TECHNOLOGIES INC (AKAM) | 0.0% | 3.6% | Entered the top 10 |
| 10 | QNITY ELECTRONICS INC (Q) | 2.0% | 3.5% | Entered the top 10 |
| — | AMAZON COM INC (AMZN) | 5.5% | 2.8% | Left the top 10 |
| — | GE HEALTHCARE TECHNOLOGIES I (GEHC) | 5.4% | 0.0% | Left the top 10 |
| — | SYNOPSYS INC (SNPS) | 4.4% | 0.0% | Left the top 10 |
| — | ACV AUCTIONS INC (ACVA) | 4.0% | 2.6% | Left the top 10 |
Weights are each position's reported value as a share of the fund's reported equity positions (options and principal-amount holdings excluded).
Option positions (puts and calls)
Reported separately from the positions above. The value a 13F reports for an option is that of the underlying shares, not the option itself.
| Activity | Security | Type | Shares before | Shares now | Reported value |
|---|---|---|---|---|---|
| New | MICROSOFT CORP (MSFT) | Call | 0 | 204K | $75.5M |
| New | ISHARES TR (EFA) | Put | 0 | 480K | $46.6M |
| New | THERMO FISHER SCIENTIFIC INC (TMO) | Call | 0 | 50,000 | $24.6M |
| New | VANECK ETF TRUST (SMH) | Put | 0 | 60,000 | $23M |
| New | ISHARES INC (EWT) | Put | 0 | 313K | $22.2M |
| New | AKAMAI TECHNOLOGIES INC (AKAM) | Call | 0 | 160K | $18.4M |
| New | CONSTELLATION ENERGY CORP (CEG) | Call | 0 | 65,000 | $18.2M |
| New | META PLATFORMS INC (META) | Call | 0 | 30,000 | $17.2M |
| New | ROCKET COS INC (RKT) | Call | 0 | 1.12M | $16M |
| New | PDD HOLDINGS INC (PDD) | Put | 0 | 135K | $13.8M |
| New | ON SEMICONDUCTOR CORP (ON) | Call | 0 | 200K | $12.4M |
| Increased | AMENTUM HOLDINGS INC (AMTM) | Call | 165K | 597K | $15.6M |
| New | GXO LOGISTICS INCORPORATED (GXO) | Call | 0 | 178K | $9.25M |
| New | PINTEREST INC (PINS) | Call | 0 | 500K | $9.17M |
| New | NVIDIA CORPORATION (NVDA) | Call | 0 | 50,000 | $8.72M |
| New | WOLFSPEED INC (WOLF) | Call | 0 | 400K | $6.53M |
| New | FAIR ISAAC CORP (FICO) | Call | 0 | 6,000 | $6.41M |
| Exited | FLOOR & DECOR HLDGS INC (FND) | Call | 100K | 0 | $0 |
| New | ENTEGRIS INC (ENTG) | Put | 0 | 50,000 | $5.86M |
| New | UNITY SOFTWARE INC (U) | Call | 0 | 234K | $5.13M |
| Exited | TRANSALTA CORP (TAC) | Call | 402K | 0 | $0 |
| Exited | BIO-TECHNE CORP (TECH) | Call | 84,800 | 0 | $0 |
| Exited | SYNOPSYS INC (SNPS) | Call | 10,000 | 0 | $0 |
| Exited | KBR INC (KBR) | Call | 110K | 0 | $0 |
| Reduced | AMAZON COM INC (AMZN) | Call | 25,000 | 8,000 | $1.67M |