Pulmatrix, Inc.
PULM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001574235
No open-market purchases or sales by Pulmatrix, Inc. insiders were filed in the last 90 days; 15 institutions reported holding it in 13F filings for Q2 2026, worth $568.7K in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Pulmatrix, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 15
- 0 vs. Q1 2026
- Shares held
- 334.5K
- +5.01K (+1.5%) vs. Q1 2026
- Total value
- $568.7K
- +$143.6K (+33.8%) vs. Q1 2026
- New holders
- 2
- 3 more added
- Sold out
- 2
- 3 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PULM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 15 | $568.7K |
| Q1 2026 | 15 | $425.1K |
| Q4 2025 | 15 | $795.4K |
| Q3 2025 | 14 | $1.68M |
| Q2 2025 | 12 | $2.31M |
| Q1 2025 | 11 | $2.10M |
| Q4 2024 | 11 | $2.26M |
| Q3 2024 | 13 | $566.2K |
| Q2 2024 | 12 | $485.6K |
| Q1 2024 | 14 | $433.6K |
| Q4 2023 | 12 | $565.6K |
| Q3 2023 | 12 | $776.6K |
| Q2 2023 | 14 | $1.14M |
| Q1 2023 | 16 | $1.50M |
| Q4 2022 | 14 | $2.25M |
| Q3 2022 | 13 | $2.04M |
| Q2 2022 | 16 | $2.71M |
| Q1 2022 | 14 | $3.69M |
| Q4 2021 | 24 | $5.36M |
| Q3 2021 | 20 | $6.14M |
| Q2 2021 | 22 | $8.28M |
| Q1 2021 | 28 | $9.42M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Pulmatrix, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 122,698 | $208.6K | 0.00% | +13,550+12.4% | Added |
| BlackRock, Inc. | 54,899 | $93.3K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 33,299 | $56.6K | 0.00% | −11,330−25.4% | Reduced |
| Vanguard Capital Management LLC | 32,294 | $54.9K | 0.00% | −1,300−3.9% | Reduced |
| SBI Securities Co., Ltd. | 31,285 | $53.2K | 0.00% | +1,200+4.0% | Added |
| Shay Capital LLC | 18,857 | $32.1K | 0.00% | +18,857 | New |
| Vanguard Fiduciary Trust Co | 14,715 | $25.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 13,945 | $23.7K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 11,991 | $20.4K | 0.00% | −1,678−12.3% | Reduced |
| UBS Group AG | 515 | $875 | 0.00% | +492+2,139.1% | Added |
| Barclays PLC | 15 | $26 | 0.00% | +15 | New |
| Farther Finance Advisors, LLC | 7 | $12 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 3 | $6 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −14,584−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −207−100.0% | Sold out |