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Organon & Co

600 hedge funds and large institutions have $1.2B invested in Organon & Co in 2026 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 132 increasing their positions, 199 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less call options, than puts

Call options by funds: $ | Put options by funds: $

16% less capital invested

Capital invested by funds: $1.42B → $1.2B (-$223M)

34% less repeat investments, than reductions

Existing positions increased: 132 | Existing positions reduced: 199

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
600
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.2M
Puts
$22.4M
Net Calls
Net Calls Change

Top Buyers

1 +$47.6M
2 +$30.1M
3 +$19.4M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$19M
5
KBG
Kahn Brothers Group
New York
+$14.4M

Top Sellers

1 -$39.1M
2 -$38.5M
3 -$19.2M
4
Jane Street
Jane Street
New York
-$15.1M
5
GAM
Gotham Asset Management
New York
-$10.5M
Name Holding Trade Value Shares
Change
Change in
Stake
SA
176
Sanctuary Advisors
Indiana
$254K
VI
177
Vestcor Inc
New Brunswick, Canada
$251K
SAI
178
Systematic Alpha Investments
New Jersey
$246K
Tudor Investment Corp
179
Tudor Investment Corp
Connecticut
$225K
Nomura Holdings
180
Nomura Holdings
Japan
$223K
Bank of Montreal
181
Bank of Montreal
Ontario, Canada
$221K
VPIM
182
Vanguard Personalized Indexing Management
California
$218K
SLAM
183
Swiss Life Asset Management
$215K
STA
184
Summit Trail Advisors
New York
$213K
SAM
185
SEB Asset Management
$210K
Corient Private Wealth
186
Corient Private Wealth
Florida
$210K
AWP
187
Abacus Wealth Partners
California
$206K
FIM
188
Fruth Investment Management
Texas
$202K
Teacher Retirement System of Texas
189
Teacher Retirement System of Texas
Texas
$201K
Pathstone Holdings
190
Pathstone Holdings
New Jersey
$200K
DADC
191
D.A. Davidson & Co
Montana
$198K
BL
192
BFSG LLC
California
$197K
AWM
193
AE Wealth Management
Kansas
$196K
Barclays
194
Barclays
United Kingdom
$194K
FGP
195
Freestone Grove Partners
California
$184K
RFG
196
Range Financial Group
Oregon
$184K
MOACM
197
Mutual of America Capital Management
New York
$178K
AI
198
Atria Investments
North Carolina
$170K
ICA
199
Infrastructure Capital Advisors
New York
$168K
AFG
200
Atomi Financial Group
New York
$165K