13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsInflation hedgeYield
OGN

ORGANON & CO

658 institutions still hold ORGANON & CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 68622V106·Pharmaceutical Preparations·658 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.4%
vs prior quarter
13F value held
$821M
73.0% inst. owned
of float
Holders
658
-37 QoQ
filers reporting
Activity
+13 / −33
+813 added · −809 reduced
this quarter
Concentration
23.15%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

658 institutions reported OGN in Q1 2026. BlackRock, Inc. leads at 23.1% of the visible book. -37 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$190M31.7M0.00%Q1 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$131M21.8M0.01%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$70M11.7M0.00%Q1 202604
STATE STREET CORP
CIK 0000093751
$60M10.0M0.00%Q1 202605
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$42M7.1M0.02%Q1 202606
KAHN BROTHERS GROUP INC
CIK 0001039565
$33M5.5M5.88%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$29M4.8M0.00%Q1 202608
PRIVATE MANAGEMENT GROUP INC
CIK 0001142031
$26M4.4M0.75%Q1 202609
D. E. Shaw & Co., Inc.
CIK 0001009207
$24M3.4M0.01%Q4 202510
Think Investments LP
CIK 0001635999
$24M4.0M3.14%Q1 202611
UBS Group AG
CIK 0001610520
$21M3.5M0.00%Q1 202612
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$20M3.5M0.01%Q1 202613
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$20M3.4M0.00%Q1 202614
CITADEL ADVISORS LLC
CIK 0001423053
$20M2.8M0.00%Q4 202515
MORGAN STANLEY
CIK 0000895421
$20M3.3M0.00%Q1 202616
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$20M3.3M0.00%Q1 202617
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$19M3.2M0.01%Q1 202618
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$19M3.1M0.02%Q1 202619
CANADA PENSION PLAN INVESTMENT BOARD
CIK 0001283718
$17M2.4M0.01%Q4 202520
FMR LLC
CIK 0000315066
$15M2.6M0.00%Q1 2026
Page 1 of 33
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