PULM
Pulmatrix, Inc.Company with tickers: PULM
CIK
1574235
CUSIP
74584P301
Shares Outstanding
3,652,285
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 14
Total Value: $723,356
Total Shares: 324,379
Institutional Ownership Trend
Holder Concentration
Across 14 13F filers · Δ vs Sep 30, 2025Top Holder
34.2%
+1.1 pts
Top 5
87.2%
−5.2 pts
Top 10
100.0%
−0.0 pts
HHI
1,999
Moderately concentrated
−17
Quarterly Activity
vs Sep 30, 2025
New
4
Increased
0
Decreased
5
Sold Out
3
Unchanged
5
Holder count:
+1
Institutional value:
-56.9%
Shares held:
-6.2%
Top Buyers
vs Sep 30, 2025No qualifying movers this quarter.
Top Sellers
vs Sep 30, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Mega VANGUARD GROUP INC | −34,621 | 14,788 |
| Mid SBI Securities Co., Ltd. | −4,100 | 55,242 |
| Large RENAISSANCE TECHNOLOGIES LLC | −3,470 | 110,920 |
| Mid Tower Research Capital LLC (TRC) | −523 | 913 |
| Mega DIMENSIONAL FUND ADVISORS LP | −454 | 10,326 |
Top New Positions
vs Sep 30, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Mid DRW Securities, LLC | 20,505 | $45,726 |
| Mega BANK OF AMERICA CORP /DE/ | 1,365 | $3,042 |
| Small FLAGSHIP HARBOR ADVISORS, LLC | 80 | $178 |
| Mega ROYAL BANK OF CANADA | 6 | $13 |
Top Sold-Out Positions
vs Sep 30, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega UBS Group AG | 129 | $626 |
| Micro NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 7 | $34 |
| Mega BARCLAYS PLC | 3 | $14 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | $247,351 | 34.19% | 110,920 | Shares | Sole | 2026-02-12 | View | |
| Mega BlackRock, Inc. | $123,397 | 17.06% | 55,335 | Shares | Sole | 2026-02-12 | View | |
| Mid SBI Securities Co., Ltd. | $123,189 | 17.03% | 55,242 | Shares | Defined | 2026-02-03 | View | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $91,304 | 12.62% | 40,944 | Shares | Defined | 2026-02-09 | View | |
| Mid DRW Securities, LLC | $45,726 | 6.32% | 20,505 | Shares | Other | 2026-02-12 | View | |
| Mega VANGUARD GROUP INC | $32,977 | 4.56% | 14,788 | Shares | Defined | 2026-01-29 | View | |
| Mega STATE STREET CORP | $31,097 | 4.30% | 13,945 | Shares | Defined | 2026-02-13 | View | |
| Mega DIMENSIONAL FUND ADVISORS LP | $23,026 | 3.18% | 10,326 | Shares | Sole | 2026-02-12 | View | |
| Mega BANK OF AMERICA CORP /DE/ | $3,042 | 0.42% | 1,365 | Shares | Defined | 2026-02-17 | View | |
| Mid Tower Research Capital LLC (TRC) | $2,035 | 0.28% | 913 | Shares | Defined | 2026-02-17 | View | |
| Small FLAGSHIP HARBOR ADVISORS, LLC | $178 | 0.02% | 80 | Shares | Sole | 2026-01-21 | View | |
| Mid Farther Finance Advisors, LLC | $15 | 0.00% | 7 | Shares | Sole | 2026-01-23 | View | |
| Mega ROYAL BANK OF CANADA | $13 | 0.00% | 6 | Shares | Defined | 2026-02-17 | View | |
| Mid Allworth Financial LP | $6 | 0.00% | 3 | Shares | Sole | 2026-02-05 | View | |
| No holders match your search. | ||||||||