Sachem Head Capital Management LP 13F: Quarter-over-Quarter Portfolio Changes
Sachem Head Capital Management LP reported a disclosed portfolio value of approximately $4.8 billion in its latest SEC Form 13F-HR filing for Q2 2026, up 16.1% quarter on quarter. Over the quarter, the fund initiated 7 new positions, bought more shares in 4 holdings, trimmed 4 holdings, and exited 7 positions.
Sachem Head Capital Management LP's top buy was a new stake in Seagate Technology Hldngs Pl (STX) , equal to 9.5% of the disclosed portfolio. Its top sell was Echostar CORP (SATS) . The fund exited the position completely after it had accounted for 8.5% of the previous portfolio.
New PositionsQ2 2026
Securities disclosed for the first time in Q2 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| SEAGATE TECHNOLOGY HLDNGS PL | STX | 9.5% | History → |
| MKS INC. | MKSI | 7.5% | History → |
| CELSIUS HLDGS INC | CELH | 5.5% | History → |
| GOLAR LNG LTD | GLNG | 3.7% | Holders → |
| BRUKER CORP | BRKR | 3.6% | Holders → |
| STMICROELECTRONICS NV | STM | 3.4% | Holders → |
| RIOT PLATFORMS INC | RIOT | 1.6% | Holders → |
Top BuysQ2 2026
The fund's top buys among existing positions in Q2 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| CARVANA CO | CVNA | +0.1% | +466.5% | History → |
| INVESCO EXCHANGE TRADED FD T | RSP | +0.3% | +34.9% | Holders → |
| SOTERA HEALTH CO | SHC | +1.7% | +33.6% | History → |
| PRIMO BRANDS CORPORATION | PRMB | +1.3% | +4.1% | History → |
Top SellsQ2 2026
The fund's top sells among positions it retained in Q2 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| TWILIO INC | TWLO | -4.3% | 73.0% | Holders → |
| GILDAN ACTIVEWEAR INC | GIL | -1.7% | 12.1% | Holders → |
| TALEN ENERGY CORP | TLN | -1.0% | 11.5% | History → |
| DICKS SPORTING GOODS INC | DKS | -0.7% | 7.2% | History → |
Full ExitsQ2 2026
Positions present in the prior 13F-HR filing that no longer appear in Q2 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| ECHOSTAR CORP | SATS | 8.5% |
| WEATHERFORD INTL PLC | WFRD | 5.8% |
| ICON PLC | ICLR | 5.6% |
| COHERENT CORP | COHR | 5.5% |
| ON SEMICONDUCTOR CORP | ON | 2.9% |
| SPRINKLR INC | CXM | 0.8% |
| AKAMAI TECHNOLOGIES INC | AKAM | 0.7% |
Net Portfolio Value ChangeQ2 2026
- $4.2BPrior quarter
- $4.8BCurrent quarter
- +$0.7BNet delta
- +16.1%% change
Methodology & FAQ
How Sachem Head Capital Management LP Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Sachem Head Capital Management LP: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description, including how confidential treatment filings are handled, is documented in the Methodology.
What stocks did Sachem Head Capital Management LP buy in Q2 2026?
In Q2 2026, Sachem Head Capital Management LP initiated 7 new positions (SEAGATE TECHNOLOGY HLDNGS PL (STX), MKS INC. (MKSI), CELSIUS HLDGS INC (CELH), GOLAR LNG LTD (GLNG), BRUKER CORP (BRKR), STMICROELECTRONICS NV (STM), RIOT PLATFORMS INC (RIOT)); bought more shares of CARVANA CO (CVNA), INVESCO EXCHANGE TRADED FD T (RSP), SOTERA HEALTH CO (SHC), PRIMO BRANDS CORPORATION (PRMB).
What stocks did Sachem Head Capital Management LP sell in Q2 2026?
In Q2 2026, Sachem Head Capital Management LP fully sold 7 positions (ECHOSTAR CORP (SATS), WEATHERFORD INTL PLC (WFRD), ICON PLC (ICLR), COHERENT CORP (COHR), ON SEMICONDUCTOR CORP (ON), SPRINKLR INC (CXM), AKAMAI TECHNOLOGIES INC (AKAM)); reduced holdings in TWILIO INC (TWLO), GILDAN ACTIVEWEAR INC (GIL), TALEN ENERGY CORP (TLN), DICKS SPORTING GOODS INC (DKS).
Which positions did Sachem Head Capital Management LP initiate in Q2 2026?
Sachem Head Capital Management LP established 7 new positions in Q2 2026: SEAGATE TECHNOLOGY HLDNGS PL (STX, 9.5%), MKS INC. (MKSI, 7.5%), CELSIUS HLDGS INC (CELH, 5.5%), GOLAR LNG LTD (GLNG, 3.7%), BRUKER CORP (BRKR, 3.6%), STMICROELECTRONICS NV (STM, 3.4%), RIOT PLATFORMS INC (RIOT, 1.6%).
Which existing positions saw the largest allocation increases for Sachem Head Capital Management LP in Q2 2026?
Of 4 existing positions with share-count increases in Q2 2026, the largest were: CARVANA CO (CVNA, +0.1% weight, +466.5% shares), INVESCO EXCHANGE TRADED FD T (RSP, +0.3% weight, +34.9% shares), SOTERA HEALTH CO (SHC, +1.7% weight, +33.6% shares), PRIMO BRANDS CORPORATION (PRMB, +1.3% weight, +4.1% shares).
Which positions did Sachem Head Capital Management LP fully exit in Q2 2026?
Sachem Head Capital Management LP fully exited 7 positions in Q2 2026: ECHOSTAR CORP (SATS, last-reported weight 8.5%), WEATHERFORD INTL PLC (WFRD, last-reported weight 5.8%), ICON PLC (ICLR, last-reported weight 5.6%), COHERENT CORP (COHR, last-reported weight 5.5%), ON SEMICONDUCTOR CORP (ON, last-reported weight 2.9%), SPRINKLR INC (CXM, last-reported weight 0.8%), AKAMAI TECHNOLOGIES INC (AKAM, last-reported weight 0.7%).
Which existing positions saw the largest allocation reductions for Sachem Head Capital Management LP in Q2 2026?
Of 4 existing positions with share-count reductions in Q2 2026, the largest were: TWILIO INC (TWLO, -4.3% weight, -73.0% shares), GILDAN ACTIVEWEAR INC (GIL, -1.7% weight, -12.1% shares), TALEN ENERGY CORP (TLN, -1.0% weight, -11.5% shares), DICKS SPORTING GOODS INC (DKS, -0.7% weight, -7.2% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.