PulmatrixPULM
13F holders, Q2 2026 (June 30)15holders
2new positions
2sold out
1famous investor
$1.70avg. 13F price*
At the end of Q2 2026, 15 institutions reported holding Pulmatrix Inc. (PULM) in their 13F filings, unchanged from Q1 2026. 2 opened new positions and 2 sold out. The largest holders were Renaissance Technologies ($209K), BlackRock, Inc. ($93K) and Geode Capital Management, LLC ($57K). 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $32K |
| Exits | 2 | $19K |
All 13F filers, Q1 2026 → Q2 2026: 34,114 shares bought and 29,099 shares sold, net +5,015 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 15 holders
| Renaissance Technologies | 0.00% | Add +12.4% | 122,698 | $209K |
| BlackRock, Inc. | 0.00% | No change | 54,899 | $93K |
| Geode Capital Management, LLC | 0.00% | Reduce -25.4% | 33,299 | $57K |
| Vanguard Capital Management LLC | 0.00% | Reduce -3.9% | 32,294 | $55K |
| SBI Securities Co., Ltd. | 0.00% | Add +4.0% | 31,285 | $53K |
| Shay Capital LLC | 0.00% | New | 18,857 | $32K |
| Vanguard Fiduciary Trust Co. | 0.00% | No change | 14,715 | $25K |
| State Street Corp. | 0.00% | No change | 13,945 | $24K |
| XTX Topco Ltd | 0.00% | Reduce -12.3% | 11,991 | $20K |
| UBS Group AG | 0.00% | Add +2139.1% | 515 | $875 |
| Barclays PLC | 0.00% | New | 15 | $26 |
| Farther Finance Advisors, LLC | 0.00% | No change | 7 | $12 |
| Allworth Financial LP | 0.00% | No change | 3 | $6 |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 1 | $2 |
| Royal Bank of Canada | 0.00% | No change | 7 | $0 |
"% of holder's portfolio" is PULM's weight in each manager's 13F, not the share of Pulmatrix Inc. the manager owns.