PulmatrixPULM

13F holders, Q2 2025 (June 30)
12holders +1
2new positions
1sold out
1famous investor
$6.90avg. 13F price*

At the end of Q2 2025, 12 institutions reported holding Pulmatrix Inc. (PULM) in their 13F filings, up 1 from Q1 2025. 2 opened new positions and 1 sold out. The largest holders were Renaissance Technologies ($765K), SBI Securities Co., Ltd. ($418K) and BlackRock, Inc. ($382K). 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

051015 Q1 2024: 13Q1 2024Q2 2024: 11Q2 2024Q3 2024: 12Q3 2024Q4 2024: 11Q4 2024Q1 2025: 11Q1 2025Q2 2025: 12Q2 2025Q3 2025: 14Q3 2025Q4 2025: 15Q4 2025Q1 2026: 15Q1 2026Q2 2026: 15Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions2$628
Exits1$36

All 13F filers, Q1 2025 → Q2 2025: 20,271 shares bought and 249 shares sold, net +20,022 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 12 holders

Renaissance Technologies 0.00% Add +1.7% 110,820 $765K
SBI Securities Co., Ltd. 0.01% Add +15.7% 60,565 $418K
BlackRock, Inc. 0.00% Add +0.8% 55,335 $382K
Vanguard Group Inc. 0.00% Add +10.9% 47,009 $325K
Geode Capital Management, LLC 0.00% Add +1.8% 41,084 $284K
State Street Corp. 0.00% No change 13,945 $96K
UBS Group AG 0.00% Add +373.0% 5,463 $38K
Tower Research Capital LLC (TRC) 0.00% Reduce -37.4% 408 $3K
Citigroup Inc. 0.00% New 90 $621
Bank of America Corp. 0.00% Add +16.1% 36 $248
Allworth Financial LP 0.00% No change 3 $21
Raymond James Financial Inc. 0.00% New 1 $7

"% of holder's portfolio" is PULM's weight in each manager's 13F, not the share of Pulmatrix Inc. the manager owns.