Which hedge funds own OLN? OLIN CORP, Q2 2026 13F holders
46 tracked hedge funds disclosed a position in OLN (OLIN CORP) in their Q2 2026 13F filings, worth $308.9m in total. The largest holder by portfolio weight is Grizzlyrock Capital, LLC at 5.5% of its book. 14 opened a new position this quarter: AQR Arbitrage LLC, Dark Forest Capital Management LP, Atom Investors LP, Jain Global LLC. 25 exited: Lloyd Harbor Capital Management, LLC, Wolf Hill Capital Management, LP, Praxis Capital Management LLC.
- 46
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 14
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 25
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $27.8m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $109m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $309m
- Combined value Sum of the holders' reported positions in the security.
- 3.7%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Lloyd Harbor Capital Management, LLC | 3.4% | $6.5m |
| Wolf Hill Capital Management, LP | 2.7% | $18.8m |
| Praxis Capital Management LLC | 1.6% | $706k |
| Thomist Capital Management, LP | 1.4% | $4.0m |
| Merewether Investment Management, LP | 0.4% | $18.5m |
| Qsemble Capital Management, LP | 0.4% | $4.7m |
| Marnell Management LLC | 0.3% | $485k |
| Edgestream Partners, L.P. | 0.2% | $6.9m |
| SummitTX Capital, L.P. | 0.2% | $5.9m |
| Quantbot Technologies LP | 0.2% | $4.1m |
| Oxford Asset Management LLP | 0.2% | $382k |
| Rokos Capital Management LLP | 0.1% | $6.8m |
| Campbell & CO Investment Adviser LLC | 0.10% | $1.7m |
| Numerai GP LLC | 0.08% | $785k |
| ExodusPoint Capital Management, LP | 0.07% | $7.4m |
| Entropy Technologies, LP | 0.07% | $1.5m |
| Y-Intercept (Hong Kong) Ltd | 0.06% | $3.0m |
| Catalyst Funds Management Pty Ltd | 0.05% | $297k |
| Lighthouse Investment Partners, LLC | 0.04% | $1.1m |
| Walleye Capital LLC | 0.04% | $6.0m |
| Schonfeld Strategic Advisors LLC | 0.02% | $1.9m |
| Trexquant Investment LP | 0.01% | $1.7m |
| Holocene Advisors, LP | 0.01% | $4.7m |
| Verition Fund Management LLC | 0.01% | $615k |
| Hudson Bay Capital Management LP | 0.01% | $892k |
Ownership over time
Who discovered OLN first? Beta
The run: Q2 2020 → Q1 2024, +412%
| Sachem Head Capital Management LP high conviction | Q1 2020 | 12.2% | +25.2 pts |
| Semper Augustus (Chris Bloomstran) high conviction | Q3 2019 | 4.6% | +8.3 pts |
| 22NW, LP | Q2 2020 | 1.1% | 0.0 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.