SALT LAKE CITY, UT
SERA PROGNOSTICS, INC.SERA— Latest position per institution from SEC 13F filings
15
Institutional holders
27.72M
Total shares held
64.03M
Estimated value
1.39M
Avg. position size
BAKER BROS. ADVISORS LP
CIK 1263508
Shares
5.50M
Value
10.01M
Filed
Jun 30, 2026
WHETSTONE CAPITAL ADVISORS, LLC
CIK 1607278
Shares
3.31M
Value
6.02M
Filed
Jun 30, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
3.03M
Value
11.16M
Filed
Mar 31, 2025
ABERDEEN GROUP PLC
CIK 1716774
Shares
2.75M
Value
5.01M
Filed
Jun 30, 2026
INTERWEST VENTURE MANAGEMENT CO
CIK 1697720
Shares
2.42M
Value
4.49M
Filed
Sep 30, 2023
PSP RESEARCH LLC
CIK 2106939
Shares
2.40M
Value
5.01M
Filed
Sep 30, 2026
VIVO CAPITAL, LLC
CIK 1674712
Shares
1.65M
Value
3M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.41M
Value
8.35M
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.30M
Value
2.36M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.24M
Value
3.66M
Filed
Dec 31, 2025
FOSUN INTERNATIONAL LTD
CIK 1447884
Shares
554.15K
Value
1.03M
Filed
Sep 30, 2023
CAPTRUST FINANCIAL ADVISORS
CIK 1512024
Shares
535.75K
Value
975.07K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
348.97K
Value
635.47K
Filed
Jun 30, 2026
SANDERS MORRIS HARRIS LLC
CIK 1053994
Shares
314.95K
Value
642.50K
Filed
Sep 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
221.37K
Value
402.89K
Filed
Jun 30, 2026
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
207.38K
Value
377.44K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
170.91K
Value
311.05K
Filed
Jun 30, 2026
PERKINS CAPITAL MANAGEMENT INC
CIK 884300
Shares
131K
Value
362.87K
Filed
Jun 30, 2025
STATE STREET CORP
CIK 93751
Shares
124.79K
Value
227.12K
Filed
Jun 30, 2026
GSA CAPITAL PARTNERS LLP
CIK 1362033
Shares
104.97K
Value
213.00
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | 1263508 | 5.50M | 10.01M | Jun 30, 2026 |
| 2 | WHETSTONE CAPITAL ADVISORS, LLC | 1607278 | 3.31M | 6.02M | Jun 30, 2026 |
| 3 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 3.03M | 11.16M | Mar 31, 2025 |
| 4 | ABERDEEN GROUP PLC | 1716774 | 2.75M | 5.01M | Jun 30, 2026 |
| 5 | INTERWEST VENTURE MANAGEMENT CO | 1697720 | 2.42M | 4.49M | Sep 30, 2023 |
| 6 | PSP RESEARCH LLC | 2106939 | 2.40M | 5.01M | Sep 30, 2026 |
| 7 | VIVO CAPITAL, LLC | 1674712 | 1.65M | 3M | Jun 30, 2026 |
| 8 | BLACKROCK FINANCE, INC. | 1364742 | 1.41M | 8.35M | Jun 30, 2024 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.30M | 2.36M | Jun 30, 2026 |
| 10 | VANGUARD GROUP INC | 102909 | 1.24M | 3.66M | Dec 31, 2025 |
| 11 | FOSUN INTERNATIONAL LTD | 1447884 | 554.15K | 1.03M | Sep 30, 2023 |
| 12 | CAPTRUST FINANCIAL ADVISORS | 1512024 | 535.75K | 975.07K | Jun 30, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 348.97K | 635.47K | Jun 30, 2026 |
| 14 | SANDERS MORRIS HARRIS LLC | 1053994 | 314.95K | 642.50K | Sep 30, 2026 |
| 15 | BLACKROCK, INC. | 2012383 | 221.37K | 402.89K | Jun 30, 2026 |
| 16 | AWM INVESTMENT COMPANY, INC. | 1535264 | 207.38K | 377.44K | Jun 30, 2026 |
| 17 | VANGUARD FIDUCIARY TRUST CO | 933478 | 170.91K | 311.05K | Jun 30, 2026 |
| 18 | PERKINS CAPITAL MANAGEMENT INC | 884300 | 131K | 362.87K | Jun 30, 2025 |
| 19 | STATE STREET CORP | 93751 | 124.79K | 227.12K | Jun 30, 2026 |
| 20 | GSA CAPITAL PARTNERS LLP | 1362033 | 104.97K | 213.00 | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.