Shattuck Labs Inc
$5.49-9.9%
+$211.5M
Net Activity
+51.16% total shares
Institutions Holding
104
Popularity Rank
#4512
Avg Weight
0.31%
Total Value
$588.9M
Market Cap
$382.0M
104 institutions currently hold STTK, with 77 net buyers and 37 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
37
Net Buying Institutions
77
Top 5 by Value
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Across its top 20 institutional holders, STTK's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 13/100, avg. turnover score 41/100).
STTK ranks #4512 out of 37696 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
STTK is a top-conviction position for NEXTBio Capital Management LP — at 11.9% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in STTK belongs to T. Rowe Price Investment Management, Inc., but the position matters far more to NEXTBio Capital Management LP, who has 11.9% 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.
Mallini Complete Financial Planning LLC has added to its STTK position for two straight quarters, increasing it by $12.2K to reach $157.8K today.
STTK is down 9.9% today, but institutions show net buying of $211.5M this quarter — a divergence between today's price move and the underlying institutional flow.
STTK reported a net loss of $52.6M over the trailing twelve months.
+$237.2M
Total Buy Value
$31.2M
Total Sell Value
77
Net Buyers
37
Net Sellers
STTK
Q2 2026
Top 5 Institutional Movers
+$29.8M
+$26.5M
+$25.7M
+$24.0M
STTK 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 2026-09-30 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
2
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 13G/A | 2026-08-14 | 15.3% |
| Redmile Group, LLC | 13D/A | 2026-07-17 | 9.9% |
1
Filings (14d)
Shattuck Labs (ticker: STTK) released its quarterly financial results for the period ended June 30, 2026, via a press release on August 11, 2026. The press release is attached to this Form 8-K as Exhibit 99.1, and this filing simply serves as the official notice of that earnings announcement.
View Full Filing (SEC EDGAR)82024L103
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,086
Total reported value
$377.7B
Held by 4086 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
6,178
Total reported value
$2.9T
Held by 6178 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,841
Total reported value
$1.8T
Held by 5841 institutions — one of the most-tracked stocks on AlphaSMO
Access STTK's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/STTKCLI
npx alphasmo stocks get STTK