# Organon & Co (OGN) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 68622V106
Page URL: https://superinvestorclub.com/stock/OGN
Last updated: 2026-08-29T13:49:29.064Z

## Summary

As of the most recent 13F filing period, Organon & Co (OGN) is held by 1 tracked superinvestors with an aggregate position value of $36.2M representing 02670523 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Kahn Brothers](https://superinvestorclub.com/manager/83) | Kahn Brothers Group | 2670523 | $36.2M | 5.72% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-09-30: 1 holders, $891,711 aggregate, 051346 shares
- 2023-12-31: 1 holders, $509,168 aggregate, 035310 shares
- 2024-03-31: 2 holders, $116.7M aggregate, 050247481180204 shares
- 2024-06-30: 2 holders, $135.2M aggregate, 048706831661023 shares
- 2024-09-30: 3 holders, $137.3M aggregate, 051410841835193203196 shares
- 2024-12-31: 3 holders, $97.8M aggregate, 04968658156727318047 shares
- 2025-03-31: 3 holders, $112.3M aggregate, 04977078249338468297 shares
- 2025-06-30: 2 holders, $35.6M aggregate, 03490150188436 shares
- 2025-09-30: 2 holders, $45.8M aggregate, 03616845668687 shares
- 2025-12-31: 2 holders, $32.5M aggregate, 03629451909225 shares
- 2026-03-31: 2 holders, $36.7M aggregate, 05536993594483 shares
- 2026-06-30: 1 holders, $36.2M aggregate, 02670523 shares

## Recent congressional trades (3)

- 2026-08-05: Kevin Hern (Republican-OK) sale $1,001 - $15,000
- 2026-08-05: Kevin Hern (Republican-OK) sale $1,001 - $15,000
- 2025-10-07: Gary Peters (Democrat-MI) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "Organon & Co (OGN) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/OGN), aggregating SEC 13F, Form 4, and congressional disclosures."