Pulmatrix Ownership | Who Owns Pulmatrix?
Pulmatrix Ownership Summary
Pulmatrix is owned by 4.05% institutional investors, 0.74% insiders, and 95.21% retail investors. Renaissance is the largest institutional shareholder, holding 2.99% of PULM shares. Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund, with 0.88% of its assets in Pulmatrix shares.
PULM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Pulmatrix | 4.05% | 0.74% | 95.21% |
| Sector | Healthcare Stocks | 35.58% | 11.87% | 52.55% |
| Industry | Biotech Stocks | 35.75% | 11.83% | 52.41% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Renaissance | 109.15K | 2.99% | $140.80K |
| Blackrock | 54.90K | 1.50% | $105.95K |
| Blackrock funding, inc. /de | 54.90K | 1.50% | $70.82K |
| Vanguard group | 47.08K | 1.29% | $104.99K |
| Geode capital management | 44.63K | 1.22% | $57.59K |
| Sbi securities | 30.09K | 0.82% | $38.81K |
| Vanguard fiduciary trust | 14.71K | 0.40% | $18.98K |
| Jane street group | 14.58K | 0.40% | $18.81K |
| State street | 13.95K | 0.38% | $17.99K |
| Xtx topco | 13.67K | 0.37% | $17.63K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sbi securities | 30.09K | 0.00% | $38.81K |
| Xtx topco | 13.67K | 0.00% | $17.63K |
| Renaissance | 109.15K | 0.00% | $140.80K |
| Td waterhouse canada | - | - | - |
| Tower research capital llc (trc) | 207.00 | - | $267.00 |
| Barclays | - | - | - |
| Bank of america corp /de/ | 30.00 | - | $58.00 |
| Advisor group | - | - | - |
| Jane street group | 14.58K | - | $18.81K |
| Blackrock | 54.90K | - | $105.95K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard fiduciary trust | 14.71K | - | 14.71K |
| Jane street group | 14.58K | - | 14.58K |
| Xtx topco | 13.67K | 0.00% | 13.67K |
| Geode capital management | 44.63K | - | 3.69K |
| Bank of america corp /de/ | 30.00 | - | 30.00 |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sbi securities | 30.09K | 0.00% | -25.16K |
| Drw securities | - | - | -20.50K |
| Dimensional fund advisors lp | - | - | -10.33K |
| Vanguard group | 47.08K | - | -2.33K |
| Renaissance | 109.15K | 0.00% | -1.77K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 14.71K | - | 14.71K | $18.98K |
| Jane street group | 14.58K | - | 14.58K | $18.81K |
| Xtx topco | 13.67K | 0.00% | 13.67K | $17.63K |
| Bank of america corp /de/ | 30.00 | - | 30.00 | $58.00 |
Sold Out
| Holder | Change |
|---|---|
| Raymond james financial | -1.00 |
| Barclays | -3.00 |
| Jones financial companies lllp | -5.00 |
| Gradient investments | -10.00 |
| Morgan stanley | -25.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 8 | -42.86% | 147,908 | -58.53% | 4 | 4.25% | 4 | 33.33% | 2 | -66.67% |
| Dec 31, 2025 | 12 | -14.29% | 354,390 | 2.50% | 9 | 10.83% | 2 | -71.43% | 5 | 25.00% |
| Sep 30, 2025 | 13 | 8.33% | 345,760 | 3.29% | 9 | 11.27% | 7 | -22.22% | 4 | 300.00% |
| Jun 30, 2025 | 12 | 9.09% | 334,759 | 6.36% | 9 | 12.34% | 9 | 80.00% | 1 | -66.67% |
| Mar 31, 2025 | 11 | - | 316,544 | -2.42% | 8 | 10.99% | 5 | 25.00% | 3 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Institutional Extnd Mkt Idx Tr | 32.29K | 0.88% | - |
| Fidelity Extended Market Index | 23.10K | 0.63% | 3.67K |
| Bridgeway Ultra-Small Company | 9.70K | 0.27% | - |
| Fidelity Series Total Market Index | 5.23K | 0.14% | - |
| Spartan Extended Market Index Pool F | 5.03K | 0.14% | 84.00 |
| Fidelity Nasdaq Composite Index | 4.57K | 0.13% | - |
| Fidelity Total Market Index | 4.43K | 0.12% | - |
| NT Ext Equity Mkt Idx Fd - L | 4.36K | 0.12% | - |
| Northern Trust Extended Eq Market Idx | 4.36K | 0.12% | - |
| NT Ext Equity Mkt Index Fund - Lending | 4.36K | 0.12% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 03, 2018 | GILLIS STEVEN | - | Buy | $747.50K |
| Apr 03, 2018 | GILLIS STEVEN | - | Buy | $862.50K |
| Apr 03, 2018 | GILLIS STEVEN | - | Buy | $747.50K |
| Apr 03, 2018 | MCGUIRE TERRANCE | Buy | $224.61K | |
| Apr 03, 2018 | MCGUIRE TERRANCE | Buy | - |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2023 Q1 | - | - |
| 2022 Q2 | - | - |
| 2022 Q1 | - | - |
| 2021 Q3 | - | - |
PULM Ownership FAQ
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