Organon & Co. - Common Stock, par value $0.01 per share (OGN)

CUSIP: 68622V106

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 6 signals
Share change
-329,807
SEC-reported price per share
$13.70
Number of holders
186
Value change
-$4,467,602
Number of buys
47
Number of sells
81
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
262,318,841

Security key

68622V106

Report period

Q3 2026

Institutions

186

Top holders

10

Ownership snapshot

Top reported holders of OGN - Organon & Co. - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
4/15
Latest evidence
30 Jun 2026
13F 13D/G Lead comparable stake: 12% 11 rows are not safely comparable across share classes. 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 12%.

4 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 4
BlackRock, Inc. 12%
Pentwater Capital Management LP 6.9%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.8%
VANGUARD CAPITAL MANAGEMENT LLC 5.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
12%
Reported 13D/G · 31 Mar 2025
$434,049,961
32,056,866 shares
— 30 Jun 2026
Pentwater Capital Management LP
13F 13D/G
Company
6.9%
Reported 13D/G · 30 Jun 2026
$245,074,000
18,100,000 shares
— 30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
5.8%
Reported 13D/G · 30 Jun 2026
$204,888,878
15,132,118 shares
— 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F 13D/G
Company · Vanguard Capital Management
5.3%
Reported 13D/G · 31 Mar 2026
$161,259,572
11,909,865 shares
— 30 Jun 2026
STATE STREET CORP
13F
Company
13F
—
denominator unverified
$130,787,883
9,659,371 shares
— 30 Jun 2026
GOLDMAN SACHS GROUP INC
13F
Company
13F
—
denominator unverified
$70,394,490
5,199,002 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
186
Shares
3,402,148
Rows available
186
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
625
Q3 2026 holders
186
Holder diff
-439
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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