STTK Institutional Ownership
Who owns Shattuck Labs, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 100 funds reported holding STTK at Jun 30, 2026, together owning 83.5% of the company.
- ▲72 buying vs 35 selling
- ▲Held by funds +27.6 pts
- ▲Funds holding +16
- ●Superinvestors: 2 added, 2 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 | 100 | 84 | +19.0% |
| In funds' top 10 | 4 | 4 | 0.0% |
| 13F shares | 83.8M | 56.1M | +49.4% |
| Held by funds | 83.5% | 55.9% | +27.6 pts |
| New positions | 37 | 20 | +85.0% |
| Increased | 35 | 33 | +6.1% |
| Reduced | 15 | 13 | +15.4% |
| Sold out | 20 | 4 | +400.0% |
| Calls (shares) | 200K | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | 0.00 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in STTK
All superinvestors →
Who owns STTK
share of fund held shares- Index and passive funds14.5%
- Active managers and hedge funds82.6%
- Banks and brokers2.0%
- Pensions, insurers and other0.9%
The top 10 holders own 70.5% of all STTK 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
18 funds changed their position- Pinnacle Associates LtdAdded+228K sh
- Y-Intercept (Hong Kong) LtdNew+63K sh
- Profund Advisors LLCNew+29K sh
- Creative PlanningAdded+23K sh
- State of WyomingSold out−22K sh
🔒 Free account: see all 18.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | T. Rowe Price Investment Management, Inc. | 13.38% | 13.4M | $93.2M | +3.6M |
| 2 | Adage Capital Partners Gp, L.l.c. | 8.09% | 8.1M | $56.4M | +3.5M |
| 3 | Redmile Group, LLC | 6.87% | 6.9M | $47.8M | +1.4M |
| 4 | Orbimed Advisors LLC | 6.28% | 6.3M | $43.8M | 0 |
| 5 | Prosight Management, LP | 5.94% | 6M | $41.3M | +953K |
| 6 | BlackRock, Inc. | 3.92% | 3.9M | $27.3M | +3.4M |
| 7 | Frazier Life Sciences Management, L.P. | 3.74% | 3.8M | $26M | +3.8M |
| 8 | NEXTBio Capital Management LP | 3.71% | 3.7M | $25.9M | +577K |
| 9 | Deep Track Capital, LP | 3.69% | 3.7M | $25.7M | +3.7M |
| 10 | Vanguard Capital Management LLC | 3.20% | 3.2M | $22.3M | +931K |
- Frazier Life Sciences Management, L.P.+3.8M sh+$26M
- Deep Track Capital, LP+3.7M sh+$25.7M
- T. Rowe Price Investment Management, Inc.+3.6M sh+$24.8M
- Adage Capital Partners Gp, L.l.c.+3.5M sh+$24.1M
- BlackRock, Inc.+3.4M sh+$23.8M
- Wellington Management Group LLP+1.8M sh+$12.3M
- Redmile Group, LLC+1.4M sh+$9.4M
- Boxer Capital Management, LLC+1M sh+$6.9M
- Ameriprise Financial Inc−870K sh−$6M
- Susquehanna International Group, LLP−691K sh−$4.8M
- Millennium Management LLC−570K sh−$4M
- Marshall Wace, LLP−581K sh−$3.7M
- Jane Street Group, LLC−416K sh−$2.7M
- Diadema Partners LP−294K sh−$1.9M
- Hudson Bay Capital Management LP−229K sh−$1.5M
- Sphera Funds Management Ltd.−194K sh−$1.3M
STTK institutional ownership FAQ
Who owns the most STTK stock?
In Q2 2026 13F filings the largest holder of STTK was T. Rowe Price Investment Management, Inc., followed by Adage Capital Partners Gp, L.l.c. and Redmile Group, LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of STTK is owned by institutions?
Funds that file 13F reports held 83.5% of STTK's shares at Jun 30, 2026, compared with 55.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying STTK?
In Q2 2026, 72 funds bought STTK (37 of them new positions) and 35 sold (20 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for STTK is bullish.
What is STTK's institutional put/call ratio?
Funds reported $0 of STTK puts against $1.4M of calls, a put/call ratio of 0.00. Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this STTK 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.