DOSSIER · 13F Holders · Q1 2026
PULM

PULMATRIX INC

16 institutions still hold PULMATRIX INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74584P301·16 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$439K
visible holders
Holders
16
filers reporting
Concentration
32.04%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q1 2026

16 institutions reported PULM in Q1 2026. RENAISSANCE TECHNOLOGIES LLC leads at 32.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$141K109K0.00%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$71K55K0.00%Q1 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$58K45K0.00%Q1 2026
04
SBI Securities Co., Ltd.
CIK 0001851815
$53K31K0.00%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$43K34K0.00%Q1 2026
06
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$19K15K0.00%Q1 2026
07
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$19K15K0.00%Q1 2026
08
STATE STREET CORP
CIK 0000093751
$18K14K0.00%Q1 2026
09
XTX Topco Ltd
CIK 0001828301
$18K14K0.00%Q1 2026
10
Tower Research Capital LLC (TRC)
CIK 0001533421
$2672070.00%Q1 2026
11
UBS Group AG
CIK 0001610520
$30230.00%Q1 2026
12
Farther Finance Advisors, LLC
CIK 0001992825
$1270.00%Q2 2026
13
Allworth Financial LP
CIK 0001555170
$430.00%Q1 2026
14
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
CIK 0001141802
$110.00%Q1 2026
15
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
16
ROYAL BANK OF CANADA
CIK 0001000275
$070.00%Q1 2026
Insiders at PULMATRIX INC
Higgins Michael JWasilewski MargaretCabell ChristopherBazemore ToddVaradan AnandBatycky Richard P.Siegert MichelleRaad Teofilo David