PulmatrixPULM
13F holders, Q1 2025 (March 31)11holders
1new positions
1sold out
1famous investor
$6.66avg. 13F price*
At the end of Q1 2025, 11 institutions reported holding Pulmatrix Inc. (PULM) in their 13F filings, unchanged from Q4 2024. 1 opened new positions and 1 sold out. The largest holders were Renaissance Technologies ($725K), BlackRock, Inc. ($366K) and SBI Securities Co., Ltd. ($349K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Pulmatrix Inc.
- CUSIP
- 74584P301
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $36 |
| Exits | 1 | $19K |
All 13F filers, Q4 2024 → Q1 2025: 10,891 shares bought and 20,544 shares sold, net −9,653 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| Renaissance Technologies | 0.00% | Reduce -0.2% | 108,920 | $725K |
| BlackRock, Inc. | 0.00% | No change | 54,899 | $366K |
| SBI Securities Co., Ltd. | 0.01% | Reduce -20.9% | 52,357 | $349K |
| Vanguard Group Inc. | 0.00% | Add +20.9% | 42,402 | $282K |
| Geode Capital Management, LLC | 0.00% | Add +9.5% | 40,368 | $269K |
| State Street Corp. | 0.00% | No change | 13,945 | $93K |
| UBS Group AG | 0.00% | Reduce -76.5% | 1,155 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +11.6% | 652 | $4K |
| Bank of America Corp. | 0.00% | Add +3.3% | 31 | $206 |
| Jones Financial Companies LLLP | 0.00% | New | 5 | $36 |
| Allworth Financial LP | 0.00% | No change | 3 | $21 |
"% of holder's portfolio" is PULM's weight in each manager's 13F, not the share of Pulmatrix Inc. the manager owns.