NEW YORK, NY
PROTARA THERAPEUTICS, INC.TARA— Latest position per institution from SEC 13F filings
15
Institutional holders
43.83M
Total shares held
184.03M
Estimated value
2.19M
Avg. position size
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
5.21M
Value
27.15M
Filed
Mar 31, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
4.70M
Value
17.92M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
3.66M
Value
13.99M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
3.10M
Value
11.85M
Filed
Jun 30, 2026
VELAN CAPITAL INVESTMENT MANAGEMENT LP
CIK 1848809
Shares
2.84M
Value
10.87M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.39M
Value
12.75M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.30M
Value
8.79M
Filed
Jun 30, 2026
BLACKSTONE INC.
CIK 1393818
Shares
2.27M
Value
8.65M
Filed
Jun 30, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
2.22M
Value
8.48M
Filed
Jun 30, 2026
SIO CAPITAL MANAGEMENT, LLC
CIK 1482416
Shares
1.92M
Value
7.34M
Filed
Jun 30, 2026
ACORN CAPITAL ADVISORS, LLC
CIK 2054410
Shares
1.75M
Value
6.69M
Filed
Jun 30, 2026
AIGH CAPITAL MANAGEMENT LLC
CIK 1835943
Shares
1.62M
Value
8.45M
Filed
Mar 31, 2026
INTEGRAL HEALTH ASSET MANAGEMENT, LLC
CIK 1773206
Shares
1.50M
Value
5.73M
Filed
Jun 30, 2026
5AM VENTURE MANAGEMENT, LLC
CIK 1799883
Shares
1.37M
Value
5.23M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.33M
Value
5.07M
Filed
Jun 30, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
1.26M
Value
6.71M
Filed
Dec 31, 2025
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.23M
Value
4.71M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
1.07M
Value
4.08M
Filed
Jun 30, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
1.05M
Value
3.99M
Filed
Jun 30, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
Shares
1.04M
Value
5.56M
Filed
Dec 31, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | JANUS HENDERSON GROUP LTD. | 1274173 | 5.21M | 27.15M | Mar 31, 2026 |
| 2 | JUPITER TOPCO LLC | 2146052 | 4.70M | 17.92M | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 3.66M | 13.99M | Jun 30, 2026 |
| 4 | MILLENNIUM MANAGEMENT LLC | 1273087 | 3.10M | 11.85M | Jun 30, 2026 |
| 5 | VELAN CAPITAL INVESTMENT MANAGEMENT LP | 1848809 | 2.84M | 10.87M | Jun 30, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 2.39M | 12.75M | Dec 31, 2025 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.30M | 8.79M | Jun 30, 2026 |
| 8 | BLACKSTONE INC. | 1393818 | 2.27M | 8.65M | Jun 30, 2026 |
| 9 | ORBIMED ADVISORS LLC | 1055951 | 2.22M | 8.48M | Jun 30, 2026 |
| 10 | SIO CAPITAL MANAGEMENT, LLC | 1482416 | 1.92M | 7.34M | Jun 30, 2026 |
| 11 | ACORN CAPITAL ADVISORS, LLC | 2054410 | 1.75M | 6.69M | Jun 30, 2026 |
| 12 | AIGH CAPITAL MANAGEMENT LLC | 1835943 | 1.62M | 8.45M | Mar 31, 2026 |
| 13 | INTEGRAL HEALTH ASSET MANAGEMENT, LLC | 1773206 | 1.50M | 5.73M | Jun 30, 2026 |
| 14 | 5AM VENTURE MANAGEMENT, LLC | 1799883 | 1.37M | 5.23M | Jun 30, 2026 |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.33M | 5.07M | Jun 30, 2026 |
| 16 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 1.26M | 6.71M | Dec 31, 2025 |
| 17 | CITADEL ADVISORS LLC | 1423053 | 1.23M | 4.71M | Jun 30, 2026 |
| 18 | STATE STREET CORP | 93751 | 1.07M | 4.08M | Jun 30, 2026 |
| 19 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 1.05M | 3.99M | Jun 30, 2026 |
| 20 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 1165408 | 1.04M | 5.56M | Dec 31, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.