SMMT · Insider trading · 13F holders · Congress trades
Summit Therapeutics Inc. (SMMT)
Who is buying and selling SMMT: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 12
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
SMMT at a glance
- No open-market insider purchases or sales of SMMT were filed in the last 90 days.
- 12 13F filers hold SMMT among their 50 largest positions, worth $579.4M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are APEIRON CAPITAL Ltd (9.0%), Julian and Felix Baker (2.4%) and Sectoral Asset Management Inc (2.2%). In their latest 13Fs, 3 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in SMMT.
SMMT insider trading
No open-market insider purchases or sales of SMMT were filed in the last 90 days.
Who owns SMMT? Hedge funds and superinvestors
12 13F filers hold SMMT among their 50 largest positions, worth $579.4M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are APEIRON CAPITAL Ltd (9.0%), Julian and Felix Baker (2.4%) and Sectoral Asset Management Inc (2.2%). In their latest 13Fs, 3 managers opened a new position and 1 added to one.
Superinvestors holding SMMT: Julian and Felix Baker 2.4%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Julian and Felix BakerHedge fund | 2.4% | $477.7M | 32,786,348 | -9.9% shares | Q2 2026 |
| Logos Global Management LPHedge fund | 0.8% | $19.7M | 1,350,000 | — | Q2 2026 |
| Octagon Capital Advisors LPHedge fund | 1.7% | $18.2M | 1,250,000 | New | Q2 2026 |
| Kynam Capital Management, LPHedge fund | 1.0% | $17.5M | 1,200,000 | New | Q2 2026 |
| APEIRON CAPITAL LtdAsset manager | 9.0% | $14.0M | 961,866 | -26.5% shares | Q2 2026 |
| Simplify Asset Management Inc.Mutual fund manager | 0.1% | $8.6M | 510,106 | — | Q3 2026 |
| Elmind Capital, LPHedge fund | 1.8% | $7.2M | 493,820 | New | Q2 2026 |
| QVT Financial LPHedge fund | 0.3% | $5.3M | 360,524 | +0.0% shares | Q2 2026 |
| Hohimer Wealth Management, LLCWealth manager | 0.5% | $4.9M | 339,100 | — | Q2 2026 |
| Sectoral Asset Management IncHedge fund | 2.2% | $3.2M | 220,180 | +216.3% shares | Q2 2026 |
| Wealth Management Partners, LLCWealth manager | 0.5% | $2.2M | 132,458 | — | Q3 2026 |
| Diadema Partners LPHedge fund | 0.3% | $874K | 60,000 | — | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 10). Screen SMMT in the grand portfolio →
SMMT stock trades by members of Congress
No member of Congress has disclosed a trade in SMMT.
SMMT questions and answers
Are insiders buying SMMT stock?
No open-market insider purchases or sales of SMMT were filed in the last 90 days.
Which hedge funds own SMMT?
12 13F filers hold SMMT among their 50 largest positions, worth $579.4M combined, including Julian and Felix Baker. The biggest bets by portfolio weight are APEIRON CAPITAL Ltd (9.0%), Julian and Felix Baker (2.4%) and Sectoral Asset Management Inc (2.2%). In their latest 13Fs, 3 managers opened a new position and 1 added to one.
Has Congress traded SMMT?
No member of Congress has disclosed a trade in SMMT.
Who is the largest holder of SMMT?
Among 13F filers, Julian and Felix Baker reports the largest SMMT position, $477.7M (32,786,348 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is APEIRON CAPITAL Ltd's: 9.0% of its portfolio.
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