ORGANON & CO (OGN): Institutional Ownership
Hedge funds and institutional managers reporting a position in OGN · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
20
13F filers
Aggregate Value
$51.8M
Across holders
Last Price
$13.50
2026-06-26
Sector
Health Care
GICS
Holder activity10 new6 added4 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 3.14M | $18.8M | 36.3% | 0.0% | Added | +$5.8M | Q1 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 1.26M | $7.5M | 14.5% | 0.0% | Reduced | $-8.4M | Q1 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 933K | $5.6M | 10.8% | 0.0% | Added | +$3.0M | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 594K | $3.6M | 6.9% | 0.0% | Reduced | $-1.9M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 186K | $3.2M | 6.2% | 0.0% | New | — | Q3 2023 |
| Grantham, Mayo, Van Otterloo & Co. LLC CIK 0001352662 | Institutional Manager | 449K | $2.7M | 5.2% | 0.0% | Added | +$7K | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 393K | $2.4M | 4.5% | 0.0% | Added | +$1.8M | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 222K | $1.6M | 3.1% | 0.0% | New | — | Q4 2025 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 218K | $1.3M | 2.5% | 0.0% | New | — | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP CIK 0001448574 | Hedge Fund | 177K | $1.3M | 2.5% | 0.0% | New | — | Q4 2025 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 183K | $1.1M | 2.1% | 0.0% | New | — | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 163K | $977K | 1.9% | 0.0% | Reduced | $-323K | Q1 2026 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 79K | $762K | 1.5% | 0.0% | New | — | Q2 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 53K | $315K | 0.6% | 0.0% | Added | +$135K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 42K | $251K | 0.5% | 0.0% | Reduced | $-2.2M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 38K | $225K | 0.4% | 0.0% | New | — | Q1 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 12K | $124K | 0.2% | 0.0% | New | — | Q3 2025 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 11K | $80K | 0.2% | 0.0% | New | — | Q4 2025 |
| Man Group plc CIK 0001637460 | Hedge Fund | 10K | $70K | 0.1% | 0.0% | New | — | Q4 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2K | $14K | 0.0% | 0.0% | Added | +$14K | Q1 2026 |
Added
Hedge Fund
$18.8M· 36.3% of total· 0.0% port· 3.14M sh· +$5.8M QoQ· Q1 2026
Reduced
Hedge Fund
$7.5M· 14.5% of total· 0.0% port· 1.26M sh· $-8.4M QoQ· Q1 2026
Added
Hedge Fund
$5.6M· 10.8% of total· 0.0% port· 933K sh· +$3.0M QoQ· Q1 2026
Reduced
Hedge Fund
$3.6M· 6.9% of total· 0.0% port· 594K sh· $-1.9M QoQ· Q1 2026
New
Hedge Fund
$3.2M· 6.2% of total· 0.0% port· 186K sh· — QoQ· Q3 2023
Added
Institutional Manager
$2.7M· 5.2% of total· 0.0% port· 449K sh· +$7K QoQ· Q1 2026
Added
Hedge Fund
$2.4M· 4.5% of total· 0.0% port· 393K sh· +$1.8M QoQ· Q1 2026
New
Hedge Fund
$1.6M· 3.1% of total· 0.0% port· 222K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.3M· 2.5% of total· 0.0% port· 218K sh· — QoQ· Q1 2026
New
Hedge Fund
$1.3M· 2.5% of total· 0.0% port· 177K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.1M· 2.1% of total· 0.0% port· 183K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$977K· 1.9% of total· 0.0% port· 163K sh· $-323K QoQ· Q1 2026
New
Hedge Fund
$762K· 1.5% of total· 0.0% port· 79K sh· — QoQ· Q2 2025
Added
Hedge Fund
$315K· 0.6% of total· 0.0% port· 53K sh· +$135K QoQ· Q1 2026
Reduced
Hedge Fund
$251K· 0.5% of total· 0.0% port· 42K sh· $-2.2M QoQ· Q1 2026
New
Hedge Fund
$225K· 0.4% of total· 0.0% port· 38K sh· — QoQ· Q1 2026
New
Institutional Manager
$124K· 0.2% of total· 0.0% port· 12K sh· — QoQ· Q3 2025
New
Hedge Fund
$80K· 0.2% of total· 0.0% port· 11K sh· — QoQ· Q4 2025
New
Hedge Fund
$70K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q4 2025
Added
Hedge Fund
$14K· 0.0% of total· 0.0% port· 2K sh· +$14K QoQ· Q1 2026