Organon & Co.

OGN

Exchange: NYSE
Industry: Pharmaceutical Preparations
SEC CIK: 0001821825

SEC filings (opens in a new tab)

In the last 90 days, Organon & Co. insiders filed 0 open-market purchases and 1 sale; 636 institutions reported holding it in 13F filings for Q2 2026, worth $2.92B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Organon & Co. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 610; −12 vs. Q4 2025
Shares held: 199.8M; +39.0M (+24.3%) vs. Q4 2025
Total value: $1.20B; +$45.7M (+4.0%) vs. Q4 2025
New holders: 81; 134 more added
Sold out: 93; 205 more reduced

14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 610 institutions

Value heldQ1 2026: $1.20B

Institutions holding OGN and their total value by quarter
Quarter	Holders	Value
Q2 2026	636	$2.92B
Q1 2026	610	$1.20B
Q4 2025	636	$1.43B
Q3 2025	672	$2.13B
Q2 2025	697	$2.07B
Q1 2025	722	$3.01B
Q4 2024	741	$3.07B
Q3 2024	726	$3.81B
Q2 2024	727	$4.11B
Q1 2024	720	$3.75B
Q4 2023	720	$2.85B
Q3 2023	733	$3.45B
Q2 2023	728	$4.13B
Q1 2023	769	$4.67B
Q4 2022	823	$5.57B
Q3 2022	793	$4.57B
Q2 2022	855	$6.56B
Q1 2022	822	$6.65B
Q4 2021	911	$5.49B
Q3 2021	934	$5.67B
Q2 2021	995	$5.27B
Q1 2021	1	$103.0K

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Organon & Co.; share changes are against Q4 2025.

Institutions holding OGN in Q1 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Private Management Group Inc	4,374,108	$26.2M	0.75%	+27,035+0.6%	Added
Geode Capital Management, LLC	4,759,337	$28.5M	0.00%	+158,860+3.5%	Added
Canada Pension Plan Investment Board	5,011,100	$30.0M	0.02%	+2,581,360+106.2%	Added
Kahn Brothers Group Inc	5,536,993	$33.2M	5.88%	+1,907,542+52.6%	Added
Millennium Management LLC	6,781,535	$40.6M	0.03%	+6,320,587+1,371.2%	Added
LSV Asset Management	7,259,730	$43.5M	0.09%	−212,699−2.8%	Reduced
State Street Corp	9,956,774	$59.6M	0.00%	+359,013+3.7%	Added
Vanguard Capital Management LLC	11,737,018	$70.3M	0.00%	+11,737,018	New
Vanguard Portfolio Management LLC	21,846,036	$130.9M	0.01%	+21,846,036	New
BlackRock, Inc.	31,717,028	$190.0M	0.00%	+751,009+2.4%	Added
Jane Street Group, LLC	0	$0	0.00%	−2,007,556−100.0%	Sold out
Two Sigma Advisers, LP	0	$0	0.00%	−1,736,800−100.0%	Sold out
Natixis	0	$0	0.00%	−546,593−100.0%	Sold out
Readystate Asset Management LP	0	$0	0.00%	−514,810−100.0%	Sold out
Voloridge Investment Management, LLC	0	$0	0.00%	−498,631−100.0%	Sold out
Capital Fund Management S.A.	0	$0	0.00%	−383,200−100.0%	Sold out
XTX Topco Ltd	0	$0	0.00%	−261,293−100.0%	Sold out
Verition Fund Management LLC	0	$0	0.00%	−222,009−100.0%	Sold out
Moore Capital Management, LP	0	$0	0.00%	−177,385−100.0%	Sold out
Quadrature Capital Ltd	0	$0	0.00%	−103,395−100.0%	Sold out
Algert Global LLC	0	$0	0.00%	−83,760−100.0%	Sold out
Mariner, LLC	0	$0	0.00%	−69,964−100.0%	Sold out
Weiss Asset Management LP	0	$0	0.00%	−68,904−100.0%	Sold out
Bridgefront Capital, LLC	0	$0	0.00%	−65,932−100.0%	Sold out
Man Group plc	0	$0	0.00%	−56,292−100.0%	Sold out
Gsa Capital Partners LLP	0	$0	0.00%	−54,545−100.0%	Sold out
Aquatic Capital Management LLC	0	$0	0.00%	−49,682−100.0%	Sold out
Fred Alger Management, LLC	0	$0	0.00%	−41,502−100.0%	Sold out
Massar Capital Management, LP	0	$0	0.00%	−40,966−100.0%	Sold out
Two Sigma Securities, LLC	0	$0	0.00%	−39,951−100.0%	Sold out
Dynamic Technology Lab Private Ltd	0	$0	0.00%	−37,314−100.0%	Sold out
Exchange Traded Concepts, LLC	0	$0	0.00%	−36,683−100.0%	Sold out
Wedmont Private Capital	0	$0	0.00%	−27,889−100.0%	Sold out
Everence Capital Management Inc	0	$0	0.00%	−25,596−100.0%	Sold out
Lecap Asset Management Ltd	0	$0	0.00%	−25,466−100.0%	Sold out
Alpine Global Management, LLC	0	$0	0.00%	−25,068−100.0%	Sold out
Aigen Investment Management, LP	0	$0	0.00%	−24,876−100.0%	Sold out
Aristeia Capital LLC	0	$0	0.00%	−22,550−100.0%	Sold out
Daytona Street Capital LLC	0	$0	0.00%	−20,000−100.0%	Sold out
Impact Partnership Wealth, LLC	0	$0	0.00%	−19,643−100.0%	Sold out
Voleon Capital Management LP	0	$0	0.00%	−19,597−100.0%	Sold out
Versor Investments LP	0	$0	0.00%	−18,529−100.0%	Sold out
Skopos Labs, Inc.	0	$0	0.00%	−17,209−100.0%	Sold out
Credit Capital Investments LLC	0	$0	0.00%	−16,900−100.0%	Sold out
Vident Advisory, LLC	0	$0	0.00%	−16,532−100.0%	Sold out
Merit Financial Group, LLC	0	$0	0.00%	−16,409−100.0%	Sold out
TCG Advisory Services, LLC	0	$0	0.00%	−15,725−100.0%	Sold out
Journey Strategic Wealth LLC	0	$0	0.00%	−15,081−100.0%	Sold out
PEAK6 LLC	0	$0	0.00%	−15,078−100.0%	Sold out
Wexford Capital LP	0	$0	0.00%	−13,947−100.0%	Sold out
Highland Capital Management, LLC	0	$0	0.00%	−13,633−100.0%	Sold out
Sequoia Financial Advisors, LLC	0	$0	0.00%	−12,916−100.0%	Sold out
Brinker Capital Investments, LLC	0	$0	0.00%	−12,790−100.0%	Sold out
McAdam, LLC	0	$0	0.00%	−12,413−100.0%	Sold out
Ballentine Partners, LLC	0	$0	0.00%	−11,912−100.0%	Sold out
Lazard Asset Management LLC	0	$0	0.00%	−11,695−100.0%	Sold out
Greenwich Wealth Management LLC	0	$0	0.00%	−11,604−100.0%	Sold out
Cypress Wealth Services, LLC	0	$0	0.00%	−11,538−100.0%	Sold out
Caxton Associates LLP	0	$0	0.00%	−11,128−100.0%	Sold out
Wescott Financial Advisory Group, LLC	0	$0	0.00%	−11,062−100.0%	Sold out
Oxford Asset Management LLP	0	$0	0.00%	−10,370−100.0%	Sold out
Empowered Funds, LLC	0	$0	0.00%	−10,304−100.0%	Sold out
Clear Street Markets LLC	0	$0	0.00%	−9,100−100.0%	Sold out
Quest Partners LLC	0	$0	0.00%	−8,989−100.0%	Sold out
Kestra Advisory Services, LLC	0	$0	0.00%	−6,613−100.0%	Sold out
Aster Capital Management (DIFC) Ltd	0	$0	0.00%	−1,780−100.0%	Sold out
Flagship Harbor Advisors, LLC	0	$0	0.00%	−1,741−100.0%	Sold out
Stone House Investment Management, LLC	0	$0	0.00%	−1,274−100.0%	Sold out
TCTC Holdings, LLC	0	$0	0.00%	−1,273−100.0%	Sold out
GoalVest Advisory LLC	0	$0	0.00%	−965−100.0%	Sold out
Chilton Capital Management LLC	0	$0	0.00%	−510−100.0%	Sold out
Laurel Wealth Advisors LLC	0	$0	0.00%	−510−100.0%	Sold out
Murphy & Mullick Capital Management Corp	0	$0	0.00%	−199−100.0%	Sold out
Sankala Group LLC	0	$0	0.00%	−190−100.0%	Sold out
CBIZ Investment Advisory Services, LLC	0	$0	0.00%	−163−100.0%	Sold out
Elyxium Wealth, LLC	0	$0	0.00%	−160−100.0%	Sold out
Cape Investment Advisory, Inc.	0	$0	0.00%	−111−100.0%	Sold out
SageView Advisory Group, LLC	0	$0	0.00%	−102−100.0%	Sold out
Financial Freedom, LLC	0	$0	0.00%	−76−100.0%	Sold out
Sawyer & Company, Inc	0	$0	0.00%	−74−100.0%	Sold out
Ritter Daniher Financial Advisory LLC	0	$0	0.00%	−70−100.0%	Sold out
Fourth Dimension Wealth, LLC	0	$0	0.00%	−51−100.0%	Sold out
Ankerstar Wealth, LLC	0	$0	0.00%	−50−100.0%	Sold out
Cherry Tree Wealth Management, LLC	0	$0	0.00%	−46−100.0%	Sold out
SJS Investment Consulting Inc.	0	$0	0.00%	−36−100.0%	Sold out
Navalign, LLC	0	$0	0.00%	−35−100.0%	Sold out
Tucker Asset Management LLC	0	$0	0.00%	−31−100.0%	Sold out
West Branch Capital LLC	0	$0	0.00%	−26−100.0%	Sold out
Garton & Associates Financial Advisors LLC	0	$0	0.00%	−25−100.0%	Sold out
Gilpin Wealth Management, LLC	0	$0	0.00%	−24−100.0%	Sold out
Vermillion & White Wealth Management Group, LLC	0	$0	0.00%	−24−100.0%	Sold out
Merited Wealth, LLC	0	$0	0.00%	−24−100.0%	Sold out
Concord Wealth Partners	0	$0	0.00%	−13−100.0%	Sold out
Johnson Financial Group, Inc.	0	$0	0.00%	−12−100.0%	Sold out
Mendota Financial Group, LLC	0	$0	0.00%	−9−100.0%	Sold out
High Point Wealth Management, LLC	0	$0	0.00%	−5−100.0%	Sold out
Pflug Koory, LLC	0	$0	0.00%	−4−100.0%	Sold out
Front Row Advisors LLC	0	$0	0.00%	−3−100.0%	Sold out
HFM Investment Advisors, LLC	0	$0	0.00%	−2−100.0%	Sold out
Strategic Advocates LLC	0	$0	0.00%	−1−100.0%	Sold out