SMMT Institutional Ownership
Who owns Summit Therapeutics Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 244 funds reported holding SMMT at Jun 30, 2026, together owning 17.1% of the company.
- ▲154 buying vs 92 selling
- ▲Held by funds +2.1 pts
- ▲Funds holding +22
- ▲Superinvestors: 3 added, 0 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 244 | 222 | +9.9% |
| In funds' top 10 | 1 | 3 | −66.7% |
| 13F shares | 136M | 119M | +14.4% |
| Held by funds | 17.1% | 14.9% | +2.1 pts |
| New positions | 57 | 52 | +9.6% |
| Increased | 97 | 81 | +19.8% |
| Reduced | 57 | 48 | +18.8% |
| Sold out | 35 | 37 | −5.4% |
| Calls (shares) | 1.7M | 319K | +426.2% |
| Puts (shares) | 1.1M | 640K | +78.0% |
| Put/call ratio | 0.67 | 2.01 | −66.7% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SMMT
All superinvestors →
Who owns SMMT
share of fund held shares- Index and passive funds26.9%
- Active managers and hedge funds60.2%
- Banks and brokers11.4%
- Pensions, insurers and other1.5%
The top 10 holders own 66.2% of all SMMT shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
66 funds changed their position- Simplify Asset Management Inc.New+510K sh
- Hohimer Wealth Management, LLCSold out−339K sh
- Griffin Asset Management, Inc.Added+130K sh
- Wealth Enhancement Advisory Services, LLCNew+66K sh
- Assenagon Asset Management S.A.Trimmed−60K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Baker Bros. Advisors LP | 4.11% | 32.8M | $478M | −3.6M |
| 2 | Fmr LLC | 1.26% | 10M | $146M | −809K |
| 3 | State Street Corp | 1.20% | 9.5M | $139M | +2.5M |
| 4 | BlackRock, Inc. | 1.19% | 9.5M | $139M | −125K |
| 5 | Vanguard Capital Management LLC | 0.72% | 5.7M | $83.6M | +23K |
| 6 | UBS Group AG | 0.66% | 5.2M | $76.3M | +1.6M |
| 7 | Vanguard Portfolio Management LLC | 0.63% | 5M | $73.5M | −191K |
| 8 | Goldman Sachs Group Inc | 0.57% | 4.5M | $65.8M | +4.2M |
| 9 | Price T Rowe Associates Inc /md/ | 0.49% | 3.9M | $56.7M | −4.4M |
| 10 | Point72 Asset Management, L.P. | 0.46% | 3.7M | $53.9M | +2.9M |
- Goldman Sachs Group Inc+4.2M sh+$61.2M
- Point72 Asset Management, L.P.+2.9M sh+$42.5M
- State Street Corp+2.5M sh+$36.6M
- Millennium Management LLC+2.2M sh+$32.4M
- Adage Capital Partners Gp, L.l.c.+2M sh+$29M
- UBS Group AG+1.6M sh+$22.6M
- Norges Bank+1.4M sh+$20.1M
- Balyasny Asset Management L.P.+1.4M sh+$19.8M
- Price T Rowe Associates Inc /md/−4.4M sh−$63.9M
- Baker Bros. Advisors LP−3.6M sh−$52.5M
- Superstring Capital Management LP−893K sh−$16.9M
- D. E. Shaw & Co., Inc.−999K sh−$14.6M
- Fmr LLC−809K sh−$11.8M
- TD Asset Management Inc−531K sh−$7.7M
- Tudor Investment Corp ET AL−385K sh−$7.3M
- APEIRON CAPITAL Ltd−347K sh−$5.1M
SMMT institutional ownership FAQ
Who owns the most SMMT stock?
In Q2 2026 13F filings the largest holder of SMMT was Baker Bros. Advisors LP, followed by Fmr LLC and State Street Corp. Index fund managers are usually the biggest holders of large companies.
What percentage of SMMT is owned by institutions?
Funds that file 13F reports held 17.1% of SMMT's shares at Jun 30, 2026, compared with 14.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SMMT?
In Q2 2026, 154 funds bought SMMT (57 of them new positions) and 92 sold (35 sold out completely). Among well known investors, 3 added and 0 cut. Our fund sentiment for SMMT is strongly bullish.
What is SMMT's institutional put/call ratio?
Funds reported $16.7M of SMMT puts against $24.9M of calls, a put/call ratio of 0.67 (2.01 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this SMMT ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.