DOSSIER · 13F Holders · Q2 2026Healthcare · Pharmaceutical Preparations
OGN

ORGANON & CO

683 institutions still hold ORGANON & CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 68622V106·Pharmaceutical Preparations·683 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1.9B
visible holders
Holders
683
filers reporting
Concentration
22.83%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

683 institutions reported OGN in Q2 2026. BlackRock, Inc. leads at 22.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$434M32.1M0.01%Q2 2026
02
Pentwater Capital Management LP
CIK 0001425851
$245M18.1M1.50%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$205M15.1M0.01%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$161M11.9M0.00%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$131M9.7M0.00%Q2 2026
06
GOLDMAN SACHS GROUP INC
CIK 0000886982
$70M5.2M0.01%Q2 2026
07
UBS Group AG
CIK 0001610520
$66M4.9M0.01%Q2 2026
08
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$65M4.8M0.00%Q2 2026
09
Man Group plc
CIK 0001637460
$57M4.2M0.09%Q2 2026
10
PRIVATE MANAGEMENT GROUP INC
CIK 0001142031
$51M3.7M1.33%Q2 2026
11
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$47M3.5M0.01%Q2 2026
12
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$47M3.4M0.02%Q2 2026
13
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$45M3.3M0.06%Q2 2026
14
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$44M3.3M0.01%Q2 2026
15
LSV ASSET MANAGEMENT
CIK 0001050470
$43M7.3M0.09%Q1 2026
16
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$42M3.1M0.02%Q2 2026
17
Capula Management Ltd
CIK 0001557017
$41M3.0M0.15%Q2 2026
18
NEXPOINT ASSET MANAGEMENT, L.P.
CIK 0001469877
$41M3.0M2.72%Q2 2026
19
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$34M2.5M0.00%Q2 2026
20
KAHN BROTHERS GROUP INC
CIK 0001039565
$33M5.5M5.88%Q2 2026
Page 1 of 35
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Insiders at ORGANON & CO
Arjona Ferreira Juan CamiloEssner RobertEzekowitz AlanGayle Helene DLazarus Rochelle BLeone Deborah ROzuah PhilipHolzbaur Lynette