OLIN Corp
OLN- Exchange
- NYSE
- Industry
- Chemicals & Allied Products
- SEC CIK
- 0000074303
No open-market purchases or sales by OLIN Corp insiders were filed in the last 90 days; 415 institutions reported holding it in 13F filings for Q2 2026, worth $2.26B in total; Semper Augustus is the only superinvestor holding it.
Superinvestors holding OLN, Q2 2026
1 superinvestor reports holding OLIN Corp on Form 13F, worth $42.7M in total. Weight is OLIN Corp's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Semper AugustusChristopher Bloomstran | 4.8% | 2,153,826 | $42.7M | Added+6.1% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of OLN each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+6.1%)
Q1 2026
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+4.4%)
Q4 2025
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+1.0%)
Q3 2025
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+141.3%)
Q2 2025
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+13.5%)
Q1 2025
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+20.0%)
Q4 2024
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+11.0%)
Q3 2024
1 superinvestor holding at quarter end
- Added
- Semper Augustus (0.0%)
Q2 2024
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+4.4%)
Q1 2024
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (0.0%)
Q4 2023
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (−0.1%)
Q3 2023
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (−2.5%)
Q2 2023
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (−2.1%)
- Sold out
- Maverick Capital
Q1 2023
2 superinvestors holding at quarter end
- New
- Maverick Capital
- Reduced
- Semper Augustus (−17.2%)
Q4 2022
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (−0.1%)
Q3 2022
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+11.8%)
Q2 2022
1 superinvestor holding at quarter end
- Reduced
- Semper Augustus (−23.6%)
Q1 2022
1 superinvestor holding at quarter end
- Added
- Semper Augustus (+4.8%)
- Sold out
- Maverick Capital
Q4 2021
2 superinvestors holding at quarter end
- Reduced
- Semper Augustus (−2.1%), Maverick Capital (−87.5%)
Q3 2021
2 superinvestors holding at quarter end
- Added
- Maverick Capital (+341.4%)
- Reduced
- Semper Augustus (−0.2%)
Q2 2021
2 superinvestors holding at quarter end
- Added
- Semper Augustus (+1.6%), Maverick Capital (0.0%)