Arvin Capital Management LP
Long book
$427.9M
Q1 2026
Positions
23
Top-10 weight
76%
concentration
Last quarter
+7.2%
SPY +14.8%
Turnover
54%
of book per quarter
Strategy in plain words
auto-generated from filingsArvin Capital Management LP is a concentrated fundamental stock-picker, running a $427.9M US long book across 23 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: TRANSALTA CORP, THERMO FISHER SCIENTIFIC INC, AMENTUM HOLDINGS INC, DANAHER CORP, RB GLOBAL INC.
Over the last 9 quarters its long book ran on average 3.2pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-6.9%
Q2 2024
+8.0%
Q3 2024
-2.3%
Q4 2024
-10.7%
Q1 2025
+11.1%
Q2 2025
+6.8%
Q3 2025
+7.2%
Q4 2025
-9.1%
Q1 2026
+7.2%
Sector allocation
Services media 28%
Technology 17%
Utilities 17%
Other 15%
Industrials 11%
Healthcare 8%
Consumer discretionary 3%
Materials 1%
Long book by quarter
What does Arvin Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| TAC TRANSALTA CORP | Utilities | 4.5M | $58.8M | 13.7% | +17.5% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 111.7K | $54.9M | 12.8% | +64.7% |
| AMTM AMENTUM HOLDINGS INC | Services media | 2.1M | $54.0M | 12.6% | +26.6% |
| DHR DANAHER CORP | Technology | 185.5K | $35.2M | 8.2% | +35.9% |
| RBA RB GLOBAL INC | Services media | 300.5K | $28.8M | 6.7% | +92.6% |
| GXO GXO LOGISTICS INC | Industrials | 525.4K | $27.2M | 6.4% | +3.6% |
| OPCH OPTION CARE HEALTH INC | Healthcare | 699.5K | $18.8M | 4.4% | +43.2% |
| CRS CARPENTER TECHNOLOGY | Industrials | 46.3K | $18.2M | 4.3% | -32.8% |
| AKAM AKAMAI TECHNOLOGIES INC | Services media | 135.2K | $15.5M | 3.6% | New |
| Q QNITY ELECTRONICS INC | Technology | 131.3K | $15.1M | 3.5% | +13.8% |
| CEG CONSTELLATION ENERGY | Utilities | 52.2K | $14.6M | 3.4% | +33.2% |
| AMZN AMAZON.COM INC | Consumer discretionary | 57.6K | $12.0M | 2.8% | -48.0% |
| FICO FAIR ISAAC CORP | Services media | 11.2K | $12.0M | 2.8% | New |
| ACVA ACV AUCTIONS INC-A | Services media | 2.7M | $11.3M | 2.6% | +15.8% |
| TECH BIO-TECHNE CORP | Healthcare | 204.3K | $10.7M | 2.5% | -31.8% |
| AL AIR LEASE CORP | — | 151.1K | $9.8M | 2.3% | Held |
| TSEM TOWER SEMICONDUCTOR LTD | Technology | 44.1K | $7.7M | 1.8% | Held |
| META META PLATFORMS INC-CLASS A | Technology | 11.2K | $6.4M | 1.5% | New |
| U UNITY SOFTWARE INC | Technology | 220.4K | $4.8M | 1.1% | +103.0% |
| MSFT MICROSOFT CORP | Technology | 12.3K | $4.6M | 1.1% | New |
| SOLS SOLSTICE ADV MATERIALS INC | Materials | 40.6K | $3.1M | 0.7% | New |
| WAT WATERS CORP | Healthcare | 10.2K | $3.0M | 0.7% | New |
| RIG TRANSOCEAN LTD | Energy | 182.0K | $1.2M | 0.3% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 14, 2026 | 50 | $819.1M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 40 | $531.0M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 12, 2025 | 36 | $553.8M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 13, 2025 | 40 | $488.4M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 13, 2025 | 46 | $490.9M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 41 | $356.9M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 33 | $310.9M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 29 | $317.1M | confidential canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 28 | $267.3M | canonical | SEC ↗ |
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