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Holder clone rankings through . Update overdue — these are historical results, not current market conditions.
Among the 14 tracked institutional investors we monitor, OLN (OLIN CORP) is held with a combined value of $807.37M across 40,157,230 shares. The largest holder is BlackRock, Inc. with a position worth $237.53M. 2 funds opened new positions in the most recent quarter. 6 funds increased their holdings. 6 funds reduced their position.
Total Institutional Value
$807.37M
Total Shares Held
40,157,230
Institutional Holders
14
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $237.53M | 0.00% | +4.3% |
| 2 | VANGUARD GROUP INC | $236.17M | 0.00% | -2.0% |
| 3 | AQR CAPITAL MANAGEMENT LLC | $109.21M | 0.04% | +372.5% |
| 4 | STATE STREET CORP | $95.13M | 0.00% | -0.0% |
| 5 | CITADEL ADVISORS LLC | $44.27M | 0.03% | +36.2% |
| 6 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | $42.69M | 4.83% | +6.1% |
| 7 | FMR LLC | $12.21M | 0.00% | -14.4% |
| 8 | Gotham Asset Management, LLC | $10.96M | 0.03% | -30.1% |
| 9 | Point72 Asset Management, L.P. | $6.84M | 0.01% | +128.3% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $5.62M | 0.01% | New |
| Member | Type | Date |
|---|---|---|
| Lisa McClain | Buy | Sep 14, 2026 |
| Benjamin L Cardin | Sell | Nov 17, 2014 |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of OLN with a position worth $237.53M, representing 0.00% of their portfolio. In total, 14 institutional investors hold OLN with a combined value of $807.37M.
In the most recent quarter, 2 funds opened a new position in OLN. Additionally, 6 increased their holdings and 6 reduced their positions.
Institutional investors hold $807.37M worth of OLN stock across 14 positions. The largest institutional holder is BlackRock, Inc. with $237.53M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For OLN, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
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| — |
| 5.0% |
| 2026-08-13 |
SEC Schedule 13D (activist) and 13G (passive) filings for OLN. Filed when an investor acquires 5%+ ownership.
Last Close
$17.31
2026-11-06
YTD
-19.7%
17% of 52-week range