TECTONIC THERAPEUTIC, INC.TECX— Latest position per institution from SEC 13F filings
15
Institutional holders
15.77M
Total shares held
492.16M
Estimated value
788.65K
Avg. position size
FMR LLC
CIK 315066
Shares
2.83M
Value
97.29M
Filed
Jun 30, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
1.40M
Value
27.86M
Filed
Jun 30, 2025
TCG CROSSOVER MANAGEMENT, LLC
CIK 1839948
Shares
1.20M
Value
41.42M
Filed
Jun 30, 2026
ABERDEEN GROUP PLC
CIK 1716774
Shares
1.14M
Value
39.25M
Filed
Jun 30, 2026
VIDA VENTURES ADVISORS, LLC
CIK 1831423
Shares
1.03M
Value
47.49M
Filed
Dec 31, 2024
ECOR1 CAPITAL, LLC
CIK 1587114
Shares
935.12K
Value
18.58M
Filed
Jun 30, 2025
BLACKROCK, INC.
CIK 2012383
Shares
862.59K
Value
29.65M
Filed
Jun 30, 2026
FIRST LIGHT ASSET MANAGEMENT, LLC
CIK 1600004
Shares
800.73K
Value
27.52M
Filed
Jun 30, 2026
FARALLON CAPITAL MANAGEMENT, L.L.C.
CIK 909661
Shares
640K
Value
10.04M
Filed
Sep 30, 2025
BAKER BROS. ADVISORS LP
CIK 1263508
Shares
607.79K
Value
20.89M
Filed
Jun 30, 2026
5AM VENTURE MANAGEMENT, LLC
CIK 1799883
Shares
606.66K
Value
20.85M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
599.90K
Value
12.51M
Filed
Dec 31, 2025
BRAIDWELL LP
CIK 1920938
Shares
596.90K
Value
20.52M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
488.81K
Value
16.80M
Filed
Jun 30, 2026
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
485.11K
Value
22.40M
Filed
Dec 31, 2024
VESTAL POINT CAPITAL, LP
CIK 1974915
Shares
425K
Value
14.61M
Filed
Jun 30, 2026
BOLLARD GROUP LLC
CIK 1556218
Shares
302.95K
Value
10.41K
Filed
Jun 30, 2026
KENNEDY CAPITAL MANAGEMENT LLC
CIK 884589
Shares
282.20K
Value
9.70M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
270.46K
Value
9.30M
Filed
Jun 30, 2026
PALE FIRE CAPITAL SE
CIK 1922318
Shares
261.03K
Value
5.45M
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 2.83M | 97.29M | Jun 30, 2026 |
| 2 | DEEP TRACK CAPITAL, LP | 1856083 | 1.40M | 27.86M | Jun 30, 2025 |
| 3 | TCG CROSSOVER MANAGEMENT, LLC | 1839948 | 1.20M | 41.42M | Jun 30, 2026 |
| 4 | ABERDEEN GROUP PLC | 1716774 | 1.14M | 39.25M | Jun 30, 2026 |
| 5 | VIDA VENTURES ADVISORS, LLC | 1831423 | 1.03M | 47.49M | Dec 31, 2024 |
| 6 | ECOR1 CAPITAL, LLC | 1587114 | 935.12K | 18.58M | Jun 30, 2025 |
| 7 | BLACKROCK, INC. | 2012383 | 862.59K | 29.65M | Jun 30, 2026 |
| 8 | FIRST LIGHT ASSET MANAGEMENT, LLC | 1600004 | 800.73K | 27.52M | Jun 30, 2026 |
| 9 | FARALLON CAPITAL MANAGEMENT, L.L.C. | 909661 | 640K | 10.04M | Sep 30, 2025 |
| 10 | BAKER BROS. ADVISORS LP | 1263508 | 607.79K | 20.89M | Jun 30, 2026 |
| 11 | 5AM VENTURE MANAGEMENT, LLC | 1799883 | 606.66K | 20.85M | Jun 30, 2026 |
| 12 | VANGUARD GROUP INC | 102909 | 599.90K | 12.51M | Dec 31, 2025 |
| 13 | BRAIDWELL LP | 1920938 | 596.90K | 20.52M | Jun 30, 2026 |
| 14 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 488.81K | 16.80M | Jun 30, 2026 |
| 15 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 485.11K | 22.40M | Dec 31, 2024 |
| 16 | VESTAL POINT CAPITAL, LP | 1974915 | 425K | 14.61M | Jun 30, 2026 |
| 17 | BOLLARD GROUP LLC | 1556218 | 302.95K | 10.41K | Jun 30, 2026 |
| 18 | KENNEDY CAPITAL MANAGEMENT LLC | 884589 | 282.20K | 9.70M | Jun 30, 2026 |
| 19 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 270.46K | 9.30M | Jun 30, 2026 |
| 20 | PALE FIRE CAPITAL SE | 1922318 | 261.03K | 5.45M | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.