2026-09-03
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View Full Filing (SEC EDGAR)Summit Therapeutics Inc
$13.73-4.2%
+$330.4M
Net Activity
+16.66% total shares
Institutions Holding
247
Popularity Rank
#2516
Avg Weight
0.11%
Total Value
$2.1B
Market Cap
$10.3B
247 institutions currently hold SMMT, with 158 net buyers and 90 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
90
Net Buying Institutions
158
Top 5 by Value
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Across its top 20 institutional holders, SMMT's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 40/100).
SMMT ranks #2516 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
SMMT is a top-conviction position for APEIRON CAPITAL Ltd — at 9.0% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in SMMT belongs to Baker Bros. Advisors LP, but the position matters far more to APEIRON CAPITAL Ltd, who has 9.0% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
UBS Group AG has added to its SMMT position for two straight quarters, increasing it by $62.1M to reach $77.3M today.
Price T Rowe Associates Inc /md/ has trimmed its SMMT position for two straight quarters, cutting it by $107.2M while still holding $56.7M.
SMMT is down 4.2% today, but institutions show net buying of $330.4M this quarter — a divergence between today's price move and the underlying institutional flow.
SMMT reported a net loss of $856.1M over the trailing twelve months.
+$557.9M
Total Buy Value
$227.9M
Total Sell Value
158
Net Buyers
90
Net Sellers
SMMT
Q2 2026
Top 5 Institutional Movers
SMMT does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
6
Filings (14d)
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View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)Summit Therapeutics (SMMT) entered into a distribution agreement with J.P. Morgan Securities on July 23, 2026, allowing it to sell up to $380 million worth of its common stock from time to time through an 'at-the-market' offering. The company is not obligated to sell any shares, and J.P. Morgan will receive a 3% commission on sales. The offering is made under an existing effective shelf registration statement.
View Full Filing (SEC EDGAR)Summit Therapeutics issued a press release on July 23, 2026, reporting its financial results and operational progress for the second quarter ended June 30, 2026. The press release is attached as Exhibit 99.1 to this 8-K filing, but it is furnished (not filed) under SEC rules, meaning it is not subject to the same legal liability. No specific financial figures are included in this excerpt. The filing also flags a separate Item 7.01 for Regulation FD disclosure, but the details for that item are omitted in the provided text.
View Full Filing (SEC EDGAR)Summit Therapeutics announced updated overall survival results from its Phase III HARMONi trial evaluating ivonescimab plus chemotherapy in EGFR-mutated non-small cell lung cancer. The analysis showed a hazard ratio of 0.76 for both the full patient population and western subgroups, consistent with prior trends. The safety profile remained acceptable, and the data has been shared with the FDA. More detailed results are expected at an upcoming medical conference.
View Full Filing (SEC EDGAR)86627T108, 86606G101, 86606g101, G8566R102
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,242
Total reported value
$2.2T
3229 13F institutions increased their position this quarter
Institutions Holding
5,990
Total reported value
$3.6T
3033 13F institutions increased their position this quarter
Institutions Holding
6,153
Total reported value
$1.8T
2971 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,125
Total reported value
$257.5B
Held by 4125 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,113
Total reported value
$649.2B
Held by 4113 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,112
Total reported value
$279.5B
Held by 4112 institutions — one of the most-tracked stocks on AlphaSMO
Access SMMT's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/SMMTCLI
npx alphasmo stocks get SMMT