# OLIN CORP (OLN) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 680665205
Page URL: https://superinvestorclub.com/stock/OLN
Last updated: 2026-07-08T11:37:15.088Z

## Summary

As of the most recent 13F filing period, OLIN CORP (OLN) is held by 4 tracked superinvestors with an aggregate position value of $319.1M representing 0443161340922112029319178567 shares.

## Top institutional holders (4)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Richard Pzena](https://superinvestorclub.com/manager/288) | Pzena Investment Management | 4431613 | $131.8M | 0.43% | 2026-03-31 |
| 2 | [Donald Yacktman](https://superinvestorclub.com/manager/13) | Yacktman Asset Management | 4092211 | $121.7M | 1.62% | 2026-03-31 |
| 3 | [Christopher Bloomstran](https://superinvestorclub.com/manager/32) | Semper Augustus Investments | 2029319 | $60.3M | 7.21% | 2026-03-31 |
| 4 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 178567 | $5.3M | 0.02% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2023-12-31: 1 holders, $229.9M aggregate, 04261861 shares
- 2024-03-31: 3 holders, $298.5M aggregate, 04293188505339277701 shares
- 2024-06-30: 3 holders, $224.1M aggregate, 0421214352738314346 shares
- 2024-09-30: 3 holders, $216.0M aggregate, 0391995752744255424 shares
- 2024-12-31: 2 holders, $151.5M aggregate, 03897996585493 shares
- 2025-03-31: 3 holders, $203.3M aggregate, 040202433662539702466 shares
- 2025-06-30: 3 holders, $174.5M aggregate, 040603763829021797436 shares
- 2025-09-30: 4 holders, $247.9M aggregate, 0397415438366631924245183320 shares
- 2025-12-31: 4 holders, $219.8M aggregate, 0450791339223181943440177506 shares
- 2026-03-31: 4 holders, $319.1M aggregate, 0443161340922112029319178567 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

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