FRAMINGHAM, MA
PULMATRIX, INC.PULM— Latest position per institution from SEC 13F filings
15
Institutional holders
583.69K
Total shares held
1.06M
Estimated value
29.18K
Avg. position size
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
122.70K
Value
208.59K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
54.90K
Value
93.33K
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
54.90K
Value
105.95K
Filed
Jun 30, 2024
SABBY MANAGEMENT, LLC
CIK 1535610
Shares
54.19K
Value
100.79K
Filed
Dec 31, 2023
VANGUARD GROUP INC
CIK 102909
Shares
47.08K
Value
104.99K
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
33.30K
Value
56.63K
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
32.29K
Value
54.90K
Filed
Jun 30, 2026
SBI SECURITIES CO., LTD.
CIK 1851815
Shares
30.16K
Value
45.85K
Filed
Sep 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
24.91K
Value
73.48K
Filed
Mar 31, 2023
DRW SECURITIES, LLC
CIK 1481986
Shares
20.50K
Value
45.73K
Filed
Dec 31, 2025
SHAY CAPITAL LLC
CIK 1723643
Shares
18.86K
Value
32.06K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
14.71K
Value
25.02K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
14.58K
Value
18.81K
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
13.95K
Value
23.71K
Filed
Jun 30, 2026
HRT FINANCIAL LP
CIK 1475597
Shares
12.11K
Value
32.00
Filed
Jun 30, 2023
XTX TOPCO LTD
CIK 1828301
Shares
11.99K
Value
20.39K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
10.34K
Value
22.13K
Filed
Sep 30, 2024
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
10.33K
Value
23.03K
Filed
Dec 31, 2025
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
1.36K
Value
3.04K
Filed
Dec 31, 2025
UBS GROUP AG
CIK 1610520
Shares
515.00
Value
875.00
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 122.70K | 208.59K | Jun 30, 2026 |
| 2 | BLACKROCK, INC. | 2012383 | 54.90K | 93.33K | Jun 30, 2026 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 54.90K | 105.95K | Jun 30, 2024 |
| 4 | SABBY MANAGEMENT, LLC | 1535610 | 54.19K | 100.79K | Dec 31, 2023 |
| 5 | VANGUARD GROUP INC | 102909 | 47.08K | 104.99K | Dec 31, 2025 |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 33.30K | 56.63K | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 32.29K | 54.90K | Jun 30, 2026 |
| 8 | SBI SECURITIES CO., LTD. | 1851815 | 30.16K | 45.85K | Sep 30, 2026 |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 24.91K | 73.48K | Mar 31, 2023 |
| 10 | DRW SECURITIES, LLC | 1481986 | 20.50K | 45.73K | Dec 31, 2025 |
| 11 | SHAY CAPITAL LLC | 1723643 | 18.86K | 32.06K | Jun 30, 2026 |
| 12 | VANGUARD FIDUCIARY TRUST CO | 933478 | 14.71K | 25.02K | Jun 30, 2026 |
| 13 | JANE STREET GROUP, LLC | 1595888 | 14.58K | 18.81K | Mar 31, 2026 |
| 14 | STATE STREET CORP | 93751 | 13.95K | 23.71K | Jun 30, 2026 |
| 15 | HRT FINANCIAL LP | 1475597 | 12.11K | 32.00 | Jun 30, 2023 |
| 16 | XTX TOPCO LTD | 1828301 | 11.99K | 20.39K | Jun 30, 2026 |
| 17 | CITADEL ADVISORS LLC | 1423053 | 10.34K | 22.13K | Sep 30, 2024 |
| 18 | DIMENSIONAL FUND ADVISORS LP | 354204 | 10.33K | 23.03K | Dec 31, 2025 |
| 19 | BANK OF AMERICA CORP /DE/ | 70858 | 1.36K | 3.04K | Dec 31, 2025 |
| 20 | UBS GROUP AG | 1610520 | 515.00 | 875.00 | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.