Pulmatrix
PULM
12 hedge funds and large institutions have $2.31M invested in Pulmatrix in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 7 increasing their positions, 1 reducing their positions, and 1 closing their positions.
600% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 1
100% more first-time investments, than exits
New positions opened: 2 | Existing positions closed: 1
10% more capital invested
Capital invested by funds: $2.1M → $2.31M (+$214K)
9% more funds holding
Funds holding: 11 → 12 (+1)
0.54% more ownership
Funds ownership: 8.62% → 9.17% (+0.54%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SS
SBI Securities
Tokyo,
Japan
|
+$56.5K |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
+$31.7K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$29.7K |
| 4 |
Renaissance Technologies
New York
|
+$13.1K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$4.93K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TRCT
Tower Research Capital (TRC)
New York
|
-$1.68K |
| 2 |
Jones Financial Companies
Des Peres,
Missouri
|
-$36 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Renaissance Technologies
New York
| $765K | +$13.1K | +1,900 | +2% |
|
|
SS
2
SBI Securities
Tokyo,
Japan
| $418K | +$56.5K | +8,208 | +16% |
|
3
BlackRock
New York
| $382K | +$3K | +436 | +0.8% |
|
|
4
Vanguard Group
Malvern,
Pennsylvania
| $325K | +$31.7K | +4,607 | +11% |
|
|
5
Geode Capital Management
Boston,
Massachusetts
| $284K | +$4.93K | +716 | +2% |
|
6
State Street
Boston,
Massachusetts
| $96.3K | – | – | – |
|
|
7
UBS Group
Zurich,
Switzerland
| $37.7K | +$29.7K | +4,308 | +373% |
|
|
TRCT
8
Tower Research Capital (TRC)
New York
| $2.81K | -$1.68K | -244 | -37% |
|
9
Citigroup
New York
| $621 | +$619 | +90 | New |
|
10
Bank of America
Charlotte,
North Carolina
| $248 | +$34 | +5 | +16% |
|
|
AF
11
Allworth Financial
Folsom,
California
| $21 | – | – | – |
|
12
Raymond James Financial
St Petersburg,
Florida
| $7 | +$7 | +1 | New |
|
|
13
Jones Financial Companies
Des Peres,
Missouri
| – | -$36 | -5 | Closed |
|
PULM Hedge Fund Activity: Q2 2025 in Review
12 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Pulmatrix (PULM) for Q2 2025, worth a combined $2.31M — up 10% from $2.1M a quarter earlier.
Buyers outnumbered sellers: 2 funds opened new PULM positions and 1 closed out — a net gain of 1 holder — while 7 added to existing stakes and 1 trimmed.
The largest buyer was SBI Securities, adding an estimated $56.5K. The largest seller was Tower Research Capital (TRC), cutting an estimated $1.68K.
- 12 institutional investors held Pulmatrix (PULM) as of Q2 2025, up from 11 in Q1 2025.
- Funds reported $2.31M of Pulmatrix stock for Q2 2025, up 10% quarter-over-quarter.
- 2 funds opened new Pulmatrix positions in Q2 2025 and 1 closed out, a net change of +1 holder.
- The largest Pulmatrix buyer in Q2 2025 was SBI Securities, an estimated $56.5K added.
- The largest Pulmatrix seller in Q2 2025 was Tower Research Capital (TRC), an estimated $1.68K sold.
Based on aggregated 13F filings for Q2 2025.