ABC ARBITRAGE SA
Long book
$752.9M
Q1 2026
Positions
364
Top-10 weight
42%
concentration
Last quarter
+4.4%
SPY +14.8%
Turnover
73%
of book per quarter
Strategy in plain words
auto-generated from filingsABC ARBITRAGE SA is a quantitative fund whose holdings reflect models, not opinions, running a $752.9M US long book across 364 positions.
The portfolio is moderately concentrated (top 10 ≈ 42% of the book). Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: VODAFONE GROUP PLC-SP ADR, DIAGEO PLC-SPONSORED ADR, SHELL PLC-ADR, BP PLC-SPONS ADR, NATIONAL GRID PLC-SP ADR.
Over the last 6 quarters its long book ran on average 1.5pp per quarter ahead of the S&P 500, beating the index in 3 of 6 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2024
+9.9%
Q1 2025
+7.3%
Q2 2025
+6.3%
Q3 2025
+7.2%
Q4 2025
+1.3%
Q1 2026
+4.4%
Sector allocation
Other 29%
Financials 27%
Industrials 15%
Utilities 7%
Technology 6%
Consumer discretionary 4%
Energy 3%
Healthcare 3%
Long book by quarter
What does ABC ARBITRAGE own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| AEG AEGON LTD-NY REG SHR | Financials | 2.1M | $15.3M | 2.0% | +0.5% |
| ASML ASML HOLDING NV-NY REG SHS | Industrials | 7.4K | $9.8M | 1.3% | New |
| LEN LENNAR CORP-A | Industrials | 100.0K | $8.7M | 1.2% | +271.7% |
| 628 SEMRUSH HOLDINGS INC-A | — | 530.4K | $6.3M | 0.8% | +8.1% |
| UAL UNITED AIRLINES HOLDINGS INC | Industrials | 68.2K | $6.3M | 0.8% | New |
| VICI Vici properties inc | Real estate | 75.2K | $6.0M | 0.8% | -10.0% |
| STEL STELLAR BANCORP INC | Financials | 159.8K | $5.9M | 0.8% | New |
| AM6 AMICUS THERAPEUTICS INC | — | 403.5K | $5.8M | 0.8% | -14.7% |
| XHC HERITAGE COMMERCE CORP | — | 466.4K | $5.8M | 0.8% | -19.7% |
| FFWM FIRST FOUNDATION INC | — | 964.3K | $5.7M | 0.8% | -11.3% |
| T86 TRI POINTE HOMES INC | — | 119.9K | $5.6M | 0.7% | New |
| LNKB LINKBANCORP INC | — | 656.3K | $5.5M | 0.7% | +398.8% |
| NATH NATHAN'S FAMOUS INC | Consumer discretionary | 54.0K | $5.4M | 0.7% | New |
| DBRG DIGITALBRIDGE GROUP INC | Financials | 346.0K | $5.3M | 0.7% | -21.0% |
| DAWNGBX DAY ONE BIOPHARMACEUTICALS I | — | 228.8K | $4.9M | 0.7% | New |
| WTRG ESSENTIAL UTILITIES INC | Utilities | 114.0K | $4.6M | 0.6% | -28.9% |
| CVX CHEVRON CORP | Energy | 22.0K | $4.5M | 0.6% | +723.3% |
| SNCY SUN COUNTRY AIRLINES HOLDING | — | 266.2K | $4.4M | 0.6% | New |
| PEN PENUMBRA INC | Healthcare | 12.9K | $4.2M | 0.6% | New |
| MASI* MASIMO CORP | — | 23.6K | $4.2M | 0.6% | New |
| PRA PROASSURANCE CORP | Financials | 169.3K | $4.2M | 0.6% | -38.0% |
| TXNM TXNM ENERGY INC | Utilities | 70.6K | $4.1M | 0.5% | -15.9% |
| ADP AUTOMATIC DATA PROCESSING | Technology | 19.1K | $3.9M | 0.5% | New |
| MT ARCELORMITTAL-NY REGISTERED | Industrials | 73.5K | $3.8M | 0.5% | New |
| FL8 FLUSHING FINANCIAL CORP | — | 227.9K | $3.5M | 0.5% | +703.9% |
| ACLXGBX ARCELLX INC | — | 30.3K | $3.5M | 0.5% | New |
| TRV TRAVELERS COS INC/THE | Financials | 11.7K | $3.4M | 0.5% | +969.2% |
| 430 TERNS PHARMACEUTICALS INC | — | 64.3K | $3.4M | 0.5% | New |
| GTLS CHART INDUSTRIES INC | Industrials | 16.3K | $3.4M | 0.4% | -0.6% |
| APLSUSD APELLIS PHARMACEUTICALS INC | — | 83.3K | $3.4M | 0.4% | New |
| STKL SUNOPTA INC | — | 480.0K | $3.1M | 0.4% | New |
| LRCX LAM RESEARCH CORP | Industrials | 14.5K | $3.1M | 0.4% | New |
| OKE ONEOK INC | Utilities | 31.4K | $2.8M | 0.4% | +59.7% |
| SNPS SYNOPSYS INC | Technology | 7.0K | $2.8M | 0.4% | New |
| BLFY BLUE FOUNDRY BANCORP | — | 200.8K | $2.7M | 0.4% | Held |
| RF REGIONS FINANCIAL CORP | Financials | 99.6K | $2.6M | 0.3% | New |
| HD HOME DEPOT INC | Consumer discretionary | 7.6K | $2.5M | 0.3% | +9.6% |
| IMXI INTERNATIONAL MONEY EXPRESS | Services media | 156.7K | $2.5M | 0.3% | -12.7% |
| WMB WILLIAMS COS INC | Utilities | 33.2K | $2.4M | 0.3% | -4.7% |
| EQT EQT CORP | Energy | 35.4K | $2.3M | 0.3% | -45.9% |
| NY4B CLEARWAY ENERGY INC-A | — | 57.2K | $2.2M | 0.3% | New |
| DHR DANAHER CORP | Technology | 11.3K | $2.1M | 0.3% | New |
| MET METLIFE INC | Financials | 29.0K | $2.1M | 0.3% | +924.1% |
| TALK TALKSPACE INC | Healthcare | 388.1K | $2.0M | 0.3% | New |
| ONTF ON24 INC | — | 247.4K | $2.0M | 0.3% | New |
| HEI HEICO CORP | Industrials | 7.3K | $2.0M | 0.3% | New |
| V VISA INC-CLASS A SHARES | Services media | 6.0K | $1.8M | 0.2% | New |
| Z ZILLOW GROUP INC - C | Services media | 41.8K | $1.7M | 0.2% | -15.7% |
| MLM MARTIN MARIETTA MATERIALS | Materials | 2.9K | $1.7M | 0.2% | New |
| SLB SLB LTD | Energy | 31.7K | $1.6M | 0.2% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 4, 2026 | 364 | $752.9M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 4, 2026 | 313 | $1.07B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 6, 2025 | 200 | $1.02B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 8, 2025 | 198 | $875.5M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 9, 2025 | 191 | $538.1M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 30, 2025 | 192 | $697.3M | canonical | SEC ↗ |
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