Security key
68622V106
Organon & Co. - Common Stock, par value $0.01 per share (OGN)
CUSIP: 68622V106
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 213,894,441
- Total 13F value
- $2,896,100,898
- Share change
- +14,780,889
- Put/Call ratio
- 104%
- SEC-reported price per share
- $13.54
- Number of holders
- 620
- Value change
- +$336,912,771
- Number of buys
- 229
- Number of sells
- 277
- Shares outstanding
- 262,318,841
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
620
Top holders
10
OGN full security history
Ownership snapshot
Full 13F holder table
Organon & Co. SEC filings
Organon & Co. company facts
Broader feeds
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
15/15
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 12%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 12%.
15 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 5
BlackRock, Inc.
12%
Pentwater Capital Management LP
6.9%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.8%
VANGUARD CAPITAL MANAGEMENT LLC
5.3%
STATE STREET CORP
3.8%
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. |
13D/G
13F
Company
|
12%
|
$371,587,153
30,659,006 shares
|
$0 | 31 Mar 2025 |
| Pentwater Capital Management LP |
13D/G
|
6.9%
|
$243,807,000
18,100,000 shares
|
$0 | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.8%
|
$204,228,234
15,161,710 shares
|
-$92,819,736 | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.3%
|
$82,168,658
13,717,181 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
3.8%
|
$59,641,076
9,956,774 shares
|
— | 31 Mar 2026 |
| LSV ASSET MANAGEMENT |
13F
Company
|
2.8%
|
$43,486,000
7,259,730 shares
|
— | 31 Mar 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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
620
Shares
213,894,441
Rows available
620
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
590
Q2 2026 holders
620
Holder diff
30
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|