# ORGANON & CO COMMON STOCK

ORGANON & CO COMMON STOCK is a security (CUSIP 68622V106) tracked across SEC portfolio filings. 640 institutional managers reported $1.3B on Form 13F as of 2026-06-30; 24 registered fund positions totaling $61.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ORGANON & CO
- Class: COMMON STOCK
- CUSIP: 68622V106
- Asset category: EC
- 13F holders: 640
- 13F value: $1.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 24
- N-PORT value: $61.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 640 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $264.7M | 36,916,382 |
| BlackRock, Inc. | New York, NY | $190.0M | 31,717,028 |
| STATE STREET CORP | BOSTON, MA | $59.6M | 9,956,774 |
| [PRIVATE MANAGEMENT GROUP INC](https://search.stillhousedata.com/firm/104707) | IRVINE, CA | $50.7M | 3,742,161 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $42.4M | 6,781,535 |
| KAHN BROTHERS GROUP INC | NEW YORK, NY | $33.2M | 5,536,993 |
| Bank of New York Mellon Corp | NEW YORK, NY | $30.9M | 2,282,161 |
| CANADA PENSION PLAN INVESTMENT BOARD | Toronto Ontario, A6 | $30.0M | 5,011,100 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $28.5M | 4,759,337 |
| [Think Investments LP](https://search.stillhousedata.com/firm/169347) | San Francisco, CA | $24.0M | 4,000,000 |
| UBS Group AG | Zurich, V8 | $20.8M | 3,471,579 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $20.2M | 3,450,626 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $20.1M | 3,362,349 |
| MORGAN STANLEY | NEW YORK, NY | $19.7M | 3,292,684 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $19.6M | 3,265,280 |

## Top fund holders (N-PORT)

_Showing 15 of 24 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $17.4M | 2.13% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $11.7M | 11.55% |
| [THE ARBITRAGE FUND](https://search.stillhousedata.com/fund/S000006440) | ARBITRAGE FUNDS | $8.2M | 96.90% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $7.8M | 10.41% |
| [Fidelity Large Cap Value Enhanced Index Fund](https://search.stillhousedata.com/fund/S000015910) | Fidelity Commonwealth Trust II | $5.6M | 9.93% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $1.7M | 20.24% |
| [VANGUARD MARKET NEUTRAL FUND](https://search.stillhousedata.com/fund/S000019457) | VANGUARD MONTGOMERY FUNDS | $1.6M | 36.84% |
| [Fidelity SAI Merger Arbitrage Fund](https://search.stillhousedata.com/fund/S000091043) | Fidelity Greenwood Street Trust | $1.3M | 23.20% |
| [HCM Sector Plus Fund](https://search.stillhousedata.com/fund/S000048332) | NORTHERN LIGHTS FUND TRUST III | $1.1M | 5.88% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $1.0M | 0.29% |
| [AB All Market Total Return Portfolio](https://search.stillhousedata.com/fund/S000010512) | AB PORTFOLIOS | $994K | 22.96% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $895K | 0.15% |
| Guggenheim Enhanced Equity Income Fund | Guggenheim Enhanced Equity Income Fund | $818K | 19.53% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $734K | 0.24% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $561K | 2.51% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/68622V106.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.