Companies / Shattuck Labs, Inc.
Shattuck Labs, Inc.
Nasdaq: STTKCIK 1680367AUSTIN, TX
Insider flow · last 90 daysNet buys $250.0K
Financials · FY2025
Ownership
100.4M shares outstanding · as of Aug 7, 2026
Ownership
| Insiders | 0.54% | 546,832 |
| 10%+ / strategic | 7.35% | 7,373,891 |
| Institutions | 44.84% | 45,000,806 |
| Public float | 47.27% | 47,441,724 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 10
View all →| Insider | % of shares | Shares |
|---|---|---|
Siegall Clay BDirector | 0.32% | 318,608 |
Neill Andrew RChief Financial Officer | 0.23% | 228,224 |
Pandite Arundathy N.FormerChief Medical Officer | 0.20% | 196,219 |
Stout StephenFormerSee Remarks | 0.08% | 81,529 |
DeYoung CasiFormerChief Business Officer | 0.07% | 73,480 |
Orbimed Advisors LLCFormerDirector | — | — |
OrbiMed Capital GP IX LLCFormerDirector | — | — |
OrbiMed Genesis GP LLCFormerDirector | — | — |
Schreiber TaylorCEOChief Executive Officer · Director | — | — |
Shukla Abhinav A.FormerChief Technical Officer | — | — |
Institutional holders 70
View all →| Holder | Value | % of shares |
|---|---|---|
| $40.55M | 6.28% | |
| $29.87M | 4.63% | |
| $27.31M | 3.92% | |
| $20.22M | 5.52% | |
| $11.50M | 3.14% | |
| $9.49M | 1.47% | |
| $8.69M | 2.37% | |
| $8.68M | 2.37% | |
| $7.12M | 1.02% | |
| $5.07M | 1.38% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $24.41M | +3.5M +840.39% | 3,935,810 3.92% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Trim | Common Stock | $-10.68M | -1.7M -26.34% | 4,644,957 4.63% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common Stock | $5.63M | +811K +376.47% | 1,026,394 1.02% of shares | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | New | Common Stock | $2.47M | +357K | 356,528 0.36% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common Stock | $1.84M | +286K +59.98% | 763,745 0.76% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Add | Common Stock | $1.70M | +264K +77.43% | 604,500 0.60% of shares | low |
| Q1 2026 as of | Hudson Bay Capital Management LP 13F manager | New | Common Stock | $1.47M | +229K | 228,817 0.23% of shares | low |
| Q1 2026 as of | TD Asset Management Inc 13F manager | Add | Common Stock | $846.2K | +132K +52.42% | 382,648 0.38% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| T. Rowe Price Investment Management, Inc. | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| STTK | Common Stock | 82024L103 |