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Of the 12 tracked institutions holding OLN, 7 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +4.3pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, OLN (OLIN CORP) is held with a combined value of $953.24M across 35,457,354 shares. The largest holder is BlackRock, Inc. with a position worth $341.50M. 8 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$953.24M
Total Shares Held
35,457,354
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $341.50M | 0.01% | -3.9% |
| 2 | VANGUARD GROUP INC | $236.17M | 0.00% | -2.0% |
| 3 | STATE STREET CORP | $142.70M | 0.00% | +1.3% |
| 4 | SEMPER AUGUSTUS INVESTMENTS GROUP LLC | $60.33M | 7.21% | +4.4% |
| 5 | CITADEL ADVISORS LLC | $48.77M | 0.03% | +98.3% |
| 6 | AQR CAPITAL MANAGEMENT LLC | $34.67M | 0.02% | +89.2% |
| 7 | MILLENNIUM MANAGEMENT LLC | $31.68M | 0.01% | +2933.0% |
| 8 | Gotham Asset Management, LLC | $23.52M | 0.07% | +138.2% |
| 9 | FMR LLC | $21.40M | 0.00% | -14.4% |
| 10 | Bridgewater Associates, LP | $5.31M | 0.02% | +0.6% |
| Member | Type | Date |
|---|---|---|
| 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 $341.50M, representing 0.01% of their portfolio. In total, 12 institutional investors hold OLN with a combined value of $953.24M.
Institutional investors hold $953.24M worth of OLN stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $341.50M 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.
Get notified when hedge funds change their OLN positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$23.20
2026-07-24
YTD
+7.7%
42% of 52-week range
