Latest Period
Q1 2026
Security Snapshot
Organon & Co. - Common Stock (OGN) Institutional Ownership
CUSIP: 68622V106
13F Institutional Holders and Ownership History from Q1 2019 to Q1 2026
Institutions Reporting
584
Shares (Excl. Options)
199,073,675
Price
$5.99
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- Security type / class
- Equity / Common Stock
- Symbol
- OGN on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 199,073,675
- Total 13F value
- $1,192,941,758
- Portfolio coverage rank
- 0%
- Share change
- +3,032,974
- Value change
- +$10,076,582
- Number of holders
- 584
- Shares outstanding
- 260,782,909
- SEC-reported price per share
- $13.42
- Insider filing price
- $13.42
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- OGN - Organon & Co. - Common Stock is tracked under CUSIP 68622V106.
- 584 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 617 to 584 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,419,040,405 to $1,192,941,758.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 584 institutions filings for Q1 2026.
Security key
68622V106
Latest holder period
Q1 2026
13F holders
584
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
OGN full holder history
Organon & Co. SEC filings
Organon & Co. company facts
Organon & Co. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 68622V106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
OGN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | $371,587,153 | 30,659,006 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.5% | $132,097,034 | 22,052,559 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $82,168,658 | 13,717,181 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Mar 2026, 584 institutional investors reported holding 199,073,675 shares of Organon & Co. - Common Stock (OGN). This represents 76% of the company’s total 260,782,909 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
58%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 31,717,028 | +2.4% | 0% | $189,984,998 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 8.4% | 21,846,036 | 0% | 0.01% | $130,857,756 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 11,737,018 | 0% | 0% | $70,304,738 |
| STATE STREET CORP | 3.8% | 9,956,774 | +3.7% | 0% | $59,641,076 |
| LSV ASSET MANAGEMENT | 2.8% | 7,259,730 | -2.8% | 0.09% | $43,486,000 |
| MILLENNIUM MANAGEMENT LLC | 2.6% | 6,781,535 | +1371% | 0.03% | $40,621,395 |
| KAHN BROTHERS GROUP INC | 2.1% | 5,536,993 | +53% | 5.9% | $33,166,588 |
| CANADA PENSION PLAN INVESTMENT BOARD | 1.9% | 5,011,100 | +106% | 0.02% | $30,016,489 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 4,759,337 | +3.5% | 0% | $28,515,397 |
| PRIVATE MANAGEMENT GROUP INC | 1.7% | 4,374,108 | +0.62% | 0.75% | $26,200,907 |
| Think Investments LP | 1.5% | 4,000,000 | 3.2% | $23,960,000 | |
| UBS Group AG | 1.3% | 3,471,579 | -19% | 0% | $20,794,758 |
| AQR CAPITAL MANAGEMENT LLC | 1.3% | 3,450,626 | -60% | 0.01% | $20,186,160 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.3% | 3,362,349 | +16% | 0% | $20,140,471 |
| MORGAN STANLEY | 1.3% | 3,292,684 | +3.6% | 0% | $19,723,184 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 3,265,280 | -3.5% | 0% | $19,552,634 |
| FIRST TRUST ADVISORS LP | 1.2% | 3,227,320 | +78% | 0.01% | $19,331,599 |
| TWO SIGMA INVESTMENTS, LP | 1.2% | 3,137,020 | +45% | 0.02% | $18,790,750 |
| D. E. Shaw & Co., Inc. | 1% | 2,644,552 | -22% | 0.01% | $15,840,867 |
| FMR LLC | 0.98% | 2,558,692 | +7143% | 0% | $15,326,564 |
| Cerity Partners LLC | 0.89% | 2,309,039 | +112% | 0.02% | $13,831,138 |
| Bank of New York Mellon Corp | 0.86% | 2,231,760 | -1.3% | 0% | $13,368,243 |
| Invesco Ltd. | 0.85% | 2,226,714 | +0.2% | 0% | $13,338,017 |
| CITADEL ADVISORS LLC | 0.77% | 1,998,390 | -3.1% | 0.01% | $11,970,356 |
| NORTHERN TRUST CORP | 0.73% | 1,914,114 | +5.1% | 0% | $11,465,542 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
29
Latest
Q1 2026
Rows shown
1-25 of 29
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 199,073,675 | $1,192,941,758 | +$10,076,582 | $5.99 | 584 |
| 2025 Q4 | 197,893,076 | $1,419,040,405 | -$51,288,964 | $7.17 | 617 |
| 2025 Q3 | 199,916,034 | $2,132,567,384 | -$150,570,604 | $10.68 | 653 |
| 2025 Q2 | 213,509,469 | $2,068,020,376 | +$48,565,302 | $9.68 | 671 |
| 2025 Q1 | 201,532,485 | $2,995,812,346 | -$64,996,102 | $14.89 | 700 |
| 2024 Q4 | 205,682,751 | $3,072,843,752 | +$23,475,126 | $14.92 | 720 |
| 2024 Q3 | 199,185,243 | $3,806,754,227 | +$38,485,871 | $19.13 | 707 |
| 2024 Q2 | 198,594,767 | $4,111,200,170 | -$250,928 | $20.70 | 708 |
| 2024 Q1 | 198,626,864 | $3,733,529,325 | +$65,262,605 | $18.80 | 690 |
| 2023 Q4 | 197,857,264 | $2,852,715,098 | -$101,929,249 | $14.42 | 689 |
| 2023 Q3 | 198,766,566 | $3,450,429,560 | -$7,364,439 | $17.36 | 708 |
| 2023 Q2 | 198,140,342 | $4,124,380,874 | +$932,787 | $20.81 | 697 |
| 2023 Q1 | 197,878,793 | $4,654,750,835 | -$31,133,320 | $23.52 | 737 |
| 2022 Q4 | 198,916,477 | $5,565,036,784 | +$117,628,593 | $27.93 | 786 |
| 2022 Q3 | 194,096,180 | $4,545,933,002 | -$31,566,085 | $23.40 | 701 |
| 2022 Q2 | 193,827,473 | $6,541,083,667 | +$180,410,870 | $33.75 | 794 |
| 2022 Q1 | 189,800,239 | $6,631,865,252 | +$375,810,039 | $34.93 | 774 |
| 2021 Q4 | 179,756,690 | $5,477,606,302 | +$194,806,993 | $30.45 | 834 |
| 2021 Q3 | 172,345,023 | $5,652,550,434 | -$22,914,654 | $32.79 | 868 |
| 2021 Q2 | 173,719,083 | $5,255,337,073 | +$5,254,023,997 | $30.26 | 935 |
| 2021 Q1 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q4 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q3 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q2 | 3,440 | $104,000 | $27.65 | 2 | |
| 2020 Q1 | 3,400 | $103,000 | $30.29 | 1 |