Senator Investment Group LP 13F holdings
Senator Investment Group LP reported 58 positions with a total reported value of $2.7B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-12. Top holdings by reported value: DPC DPC HOLDINGS PLC (9.0%), SPY STATE STR SPDR S&P 500 ETF T (6.7%), QQQ INVESCO QQQ TR (5.7%), UNITED AIRLS HLDGS INC (5.3%), BA BOEING CO (5.1%). Against 2026-03-31 it opened 19 new positions and exited 20. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 58 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| DPC DPC HOLDINGS PLC | 5,022,738 | $246.4M | 9.0% |
| SPY STATE STR SPDR S&P 500 ETF T | 246,000 | $183.7M | 6.7% |
| QQQ INVESCO QQQ TR | 213,500 | $157.2M | 5.7% |
| UNITED AIRLS HLDGS INC | 1,075,439 | $146.2M | 5.3% |
| BA BOEING CO | 646,458 | $139.9M | 5.1% |
| V VISA INC | 315,788 | $108.3M | 4.0% |
| TSM TAIWAN SEMICONDUCTOR MANUFAC | 210,658 | $100.6M | 3.7% |
| AMZN AMAZON COM INC | 420,000 | $100.1M | 3.7% |
| WWD WOODWARD INC | 223,591 | $95.1M | 3.5% |
| UNH UNITEDHEALTH GROUP INC | 186,677 | $77.6M | 2.8% |
| AKAM AKAMAI TECHNOLOGIES INC | 640,000 | $75.7M | 2.8% |
| CVNA CARVANA CO | 1,137,870 | $74.9M | 2.7% |
| NVDA NVIDIA CORPORATION | 336,579 | $67.3M | 2.5% |
| FLEX FLEX LTD | 413,438 | $67.0M | 2.4% |
| DHR DANAHER CORP DEL | 340,881 | $64.9M | 2.4% |
| PRM PERIMETER SOLUTIONS INC | 1,795,000 | $64.0M | 2.3% |
| AVGO BROADCOM INC | 162,136 | $61.2M | 2.2% |
| COP CONOCOPHILLIPS | 538,290 | $56.0M | 2.0% |
| META META PLATFORMS INC | 91,574 | $51.6M | 1.9% |
| AS AMER SPORTS INC | 1,500,000 | $50.8M | 1.9% |
| TMO THERMO FISHER SCIENTIFIC INC | 100,000 | $50.1M | 1.8% |
| SN SHARKNINJA INC | 314,011 | $47.8M | 1.7% |
| APPLIED MATLS INC | 65,000 | $47.0M | 1.7% |
| COF CAPITAL ONE FINL CORP | 233,129 | $46.8M | 1.7% |
| BKD BROOKDALE SR LIVING INC | 2,859,263 | $46.0M | 1.7% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 19 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| DPC DPC HOLDINGS PLC | 5,022,738 | $246.4M | 9.0% |
| QQQ INVESCO QQQ TR | 213,500 | $157.2M | 5.7% |
| AKAM AKAMAI TECHNOLOGIES INC | 640,000 | $75.7M | 2.8% |
| FLEX FLEX LTD | 413,438 | $67.0M | 2.4% |
| TMO THERMO FISHER SCIENTIFIC INC | 100,000 | $50.1M | 1.8% |
| COF CAPITAL ONE FINL CORP | 233,129 | $46.8M | 1.7% |
| DKS DICKS SPORTING GOODS INC | 200,000 | $45.4M | 1.7% |
| PRMB PRIMO BRANDS CORPORATION | 1,607,935 | $39.3M | 1.4% |
| ESI ELEMENT SOLUTIONS INC | 725,000 | $34.6M | 1.3% |
| CSTM CONSTELLIUM SE | 1,083,489 | $34.5M | 1.3% |
| MKSI MKS INC. | 65,000 | $28.9M | 1.1% |
| TH TARGET HOSPITALITY CORP | 1,399,345 | $28.5M | 1.0% |
| CLF CLEVELAND-CLIFFS INC NEW | 2,741,569 | $25.7M | 0.9% |
| VSAT VIASAT INC | 180,000 | $16.2M | 0.6% |
| BSX BOSTON SCIENTIFIC CORP | 300,000 | $12.8M | 0.5% |
| SRRK SCHOLAR ROCK HLDG CORP | 205,000 | $11.3M | 0.4% |
| NTRA NATERA INC | 32,500 | $8.8M | 0.3% |
| ABVX ABIVAX SA | 55,000 | $7.3M | 0.3% |
| AZUL S A | 505,584 | $4.5M | 0.2% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 20 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| MSFT MICROSOFT CORP | 267,500 | $99.0M | 4.5% |
| VIK VIKING HOLDINGS LTD | 523,000 | $38.4M | 1.8% |
| APO APOLLO GLOBAL MGMT INC | 340,000 | $37.9M | 1.7% |
| C CITIGROUP INC | 330,000 | $37.4M | 1.7% |
| PFE PFIZER INC | 1,250,000 | $35.1M | 1.6% |
| HAL HALLIBURTON CO | 846,693 | $33.0M | 1.5% |
| ISHARES TR | 570,000 | $32.4M | 1.5% |
| AEIS ADVANCED ENERGY INDS | 100,000 | $32.3M | 1.5% |
| LHX L3HARRIS TECHNOLOGIES INC | 90,000 | $31.1M | 1.4% |
| APH AMPHENOL CORP | 200,000 | $25.3M | 1.2% |
| JHX JAMES HARDIE INDS PLC | 1,106,597 | $21.0M | 1.0% |
| ROCKET COS INC | 1,250,000 | $17.8M | 0.8% |
| HAS HASBRO INC | 175,000 | $16.4M | 0.8% |
| CVS CVS HEALTH CORP | 175,000 | $12.6M | 0.6% |
| ECHO ECHOSTAR CORP | 102,500 | $12.0M | 0.6% |
| ROBINHOOD MKTS INC | 140,937 | $9.8M | 0.4% |
| HWM HOWMET AEROSPACE INC | 41,585 | $9.6M | 0.4% |
| ETHA ISHARES ETHEREUM TR | 243,000 | $3.8M | 0.2% |
| H HYATT HOTELS CORP | 9,939 | $1.4M | <0.1% |
| CELH CELSIUS HLDGS INC | 36,268 | $1.3M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| SPY STATE STR SPDR S&P 500 ETF T | 3,000 | 246,000 | +8,100.0% | $183.7M |
| UNH UNITEDHEALTH GROUP INC | 35,000 | 186,677 | +433.4% | $77.6M |
| CVNA CARVANA CO | 184,574 | 1,137,870 | +516.5% | $74.9M |
| BA BOEING CO | 441,000 | 646,458 | +46.6% | $139.9M |
| COP CONOCOPHILLIPS | 218,962 | 538,290 | +145.8% | $56.0M |
| V VISA INC | 255,000 | 315,788 | +23.8% | $108.3M |
| NU NU HLDGS LTD | 2,450,000 | 3,225,000 | +31.6% | $43.1M |
| AS AMER SPORTS INC | 1,301,000 | 1,500,000 | +15.3% | $50.8M |
| BKD BROOKDALE SR LIVING INC | 2,459,263 | 2,859,263 | +16.3% | $46.0M |
| OPTU OPTIMUM COMMUNICATIONS INC | 5,000,000 | 8,000,000 | +60.0% | $11.6M |
| ALKS ALKERMES PLC | 235,000 | 275,000 | +17.0% | $14.4M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| NVDA NVIDIA CORPORATION | 824,679 | 336,579 | -59.2% | $67.3M |
| WBD WARNER BROS DISCOVERY INC | 3,049,244 | 20,061 | -99.3% | $534.8K |
| VRT VERTIV HOLDINGS CO | 260,000 | 68,746 | -73.6% | $23.0M |
| UNITED AIRLS HLDGS INC | 1,429,629 | 1,075,439 | -24.8% | $146.2M |
| AMZN AMAZON COM INC | 610,000 | 420,000 | -31.1% | $100.1M |
| RIOT RIOT PLATFORMS INC | 1,500,000 | 48,501 | -96.8% | $1.3M |
| SN SHARKNINJA INC | 554,011 | 314,011 | -43.3% | $47.8M |
| VST VISTRA CORP | 196,763 | 16,763 | -91.5% | $2.7M |
| TSM TAIWAN SEMICONDUCTOR MANUFAC | 262,500 | 210,658 | -19.7% | $100.6M |
| META META PLATFORMS INC | 133,574 | 91,574 | -31.4% | $51.6M |
| PRM PERIMETER SOLUTIONS INC | 2,370,000 | 1,795,000 | -24.3% | $64.0M |
| MT ARCELORMITTAL SA LUXEMBOURG | 341,258 | 41,258 | -87.9% | $2.5M |
CIK 1443689 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
