BOSTON, MA
PURETECH HEALTH PLCPRTC— Latest position per institution from SEC 13F filings
15
Institutional holders
14.54M
Total shares held
22.34M
Estimated value
855.52K
Avg. position size
LANSDOWNE PARTNERS (UK) LLP
CIK 1608485
Shares
14.11M
Value
18.76M
Filed
Sep 30, 2025
BIRCH HILL INVESTMENT ADVISORS LLC
CIK 1424177
Shares
242.68K
Value
415.34K
Filed
Jun 30, 2025
PENTWATER CAPITAL MANAGEMENT LP
CIK 1425851
Shares
70K
Value
1.04M
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
59.52K
Value
882.76K
Filed
Mar 31, 2026
PORTOLAN CAPITAL MANAGEMENT, LLC
CIK 1350290
Shares
27.80K
Value
479.46K
Filed
Jun 30, 2025
JANE STREET GROUP, LLC
CIK 1595888
Shares
10.74K
Value
247K
Filed
Sep 30, 2023
DIADEMA PARTNERS LP
CIK 2026172
Shares
7.92K
Value
11.33K
Filed
Mar 31, 2026
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
6.90K
Value
196.65K
Filed
Mar 31, 2024
OLD MISSION CAPITAL LLC
CIK 1455915
Shares
6.48K
Value
206.81K
Filed
Dec 31, 2022
ADAR1 CAPITAL MANAGEMENT, LLC
CIK 1940272
Shares
3K
Value
61.84K
Filed
Sep 30, 2024
PERSISTENT ASSET PARTNERS LTD
CIK 2056052
Shares
1.76K
Value
26.14K
Filed
Mar 31, 2026
ATLANTIC UNION BANKSHARES CORP
CIK 883948
Shares
115.00
Value
1.98K
Filed
Jun 30, 2025
MORGAN STANLEY
CIK 895421
Shares
100.00
Value
1.98K
Filed
Mar 31, 2025
TOWER RESEARCH CAPITAL LLC (TRC)
CIK 1533421
Shares
73.00
Value
1.71K
Filed
Jun 30, 2024
UBS GROUP AG
CIK 1610520
Shares
20.00
Value
297.00
Filed
Mar 31, 2026
SBI SECURITIES CO., LTD.
CIK 1851815
Shares
2.00
Value
37.00
Filed
Sep 30, 2025
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 752798
Shares
0.00
Value
0.00
Filed
Jun 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | LANSDOWNE PARTNERS (UK) LLP | 1608485 | 14.11M | 18.76M | Sep 30, 2025 |
| 2 | BIRCH HILL INVESTMENT ADVISORS LLC | 1424177 | 242.68K | 415.34K | Jun 30, 2025 |
| 3 | PENTWATER CAPITAL MANAGEMENT LP | 1425851 | 70K | 1.04M | Mar 31, 2026 |
| 4 | MILLENNIUM MANAGEMENT LLC | 1273087 | 59.52K | 882.76K | Mar 31, 2026 |
| 5 | PORTOLAN CAPITAL MANAGEMENT, LLC | 1350290 | 27.80K | 479.46K | Jun 30, 2025 |
| 6 | JANE STREET GROUP, LLC | 1595888 | 10.74K | 247K | Sep 30, 2023 |
| 7 | DIADEMA PARTNERS LP | 2026172 | 7.92K | 11.33K | Mar 31, 2026 |
| 8 | AWM INVESTMENT COMPANY, INC. | 1535264 | 6.90K | 196.65K | Mar 31, 2024 |
| 9 | OLD MISSION CAPITAL LLC | 1455915 | 6.48K | 206.81K | Dec 31, 2022 |
| 10 | ADAR1 CAPITAL MANAGEMENT, LLC | 1940272 | 3K | 61.84K | Sep 30, 2024 |
| 11 | PERSISTENT ASSET PARTNERS LTD | 2056052 | 1.76K | 26.14K | Mar 31, 2026 |
| 12 | ATLANTIC UNION BANKSHARES CORP | 883948 | 115.00 | 1.98K | Jun 30, 2025 |
| 13 | MORGAN STANLEY | 895421 | 100.00 | 1.98K | Mar 31, 2025 |
| 14 | TOWER RESEARCH CAPITAL LLC (TRC) | 1533421 | 73.00 | 1.71K | Jun 30, 2024 |
| 15 | UBS GROUP AG | 1610520 | 20.00 | 297.00 | Mar 31, 2026 |
| 16 | SBI SECURITIES CO., LTD. | 1851815 | 2.00 | 37.00 | Sep 30, 2025 |
| 17 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 752798 | 0.00 | 0.00 | Jun 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.