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OLN — OLIN CORP

Reported value held$1.14B
Funds holding (latest)46
SectorIndustrials
Funds holding (Q2 2026)35
Institutional value$823.48M · 41.58M sh
New / Add / Cut / Exit3 / 11 / 20 / 2
Top-5 / Top-10 concentration63.8% / 81.9%
Institutional holdings change Accumulating +3.9% (+1.56M sh)
Institutional value change Down -30.6%

As of Q2 2026, 35 SEC-registered investment managers reported holding OLN (OLIN CORP) in their latest 13F filings, with a combined reported value of $823.48M across 41.58M shares. That is +3.9% by share count (+1.56M shares) versus the previous quarter, while reported value moved -30.6%. Ownership is concentrated: the five largest holders account for 63.8% of reported value and the top ten for 81.9%.

Compared with the prior quarter, 3 opened new positions, 11 added to existing stakes, 20 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.

OLN is classified in the Industrials sector.

All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.

FundQuarterSharesValuePortfolio WeightChange
BlackRock Inc history Q2 2026 11.98M $237.53M 0.00% Add
Vanguard Group history Q4 2025 11.34M $236.17M 0.00% Reduce
AQR Capital Management history Q2 2026 5.51M $109.21M 0.04% Add
Pzena Investment Management history Q2 2026 3.89M $77.10M 0.23% Reduce
Citadel Advisors history Q2 2026 2.59M $51.34M 0.01% Add
Goldman Sachs Group history Q2 2026 2.55M $50.54M 0.01% Reduce
Geode Capital Management history Q2 2026 2.11M $41.78M 0.00% Hold
Charles Schwab Investment Management history Q2 2026 1.54M $30.59M 0.00% Reduce
Norges Bank Investment Management history Q2 2025 1.39M $27.84M 0.00% Reduce
Morgan Stanley history Q2 2026 1.38M $27.44M 0.00% Reduce
Bank of America Corp history Q2 2026 1.28M $25.45M 0.00% Reduce
BNY Mellon history Q2 2026 1.20M $23.79M 0.00% Reduce
JPMorgan Chase & Co history Q2 2026 976.67K $20.44M 0.00% New
Amundi US history Q1 2026 684.04K $20.34M 0.01% Add
Northern Trust Corp history Q2 2026 1.00M $19.91M 0.00% Add
Invesco Ltd history Q2 2026 779.33K $15.45M 0.00% Reduce
UBS Group AG history Q2 2026 720.04K $14.27M 0.00% Reduce
Fidelity Management & Research (FMR) history Q2 2026 615.92K $12.21M 0.00% Reduce
Steadfast Capital Management history Q3 2025 444.00K $11.10M 0.19% New
Two Sigma Investments history Q2 2026 491.22K $9.74M 0.01% Reduce

View all 46 fund holders →

New Positions (Q2 2026)

Fully Exited (vs previous quarter)

Fund Position History — shares by quarter (top 20 funds)

FundQ3 2021Q4 2021Q1 2022Q2 2022Q3 2022Q4 2022Q1 2023Q2 2023Q3 2023Q4 2023Q1 2024Q2 2024Q3 2024Q4 2024Q1 2025Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
BlackRock Inc — — — — — — — — — — — — 11.80M 11.64M 12.14M 12.71M 12.57M 11.95M 11.49M 11.98M
AQR Capital Management 437.20K 732.96K 1.65M 1.84M 1.25M 938.85K 902.46K 490.71K 344.61K 216.86K 115.18K 610.15K 804.65K 844.99K 1.29M 1.00M 1.81M 616.36K 1.17M 5.51M
Pzena Investment Management 3.39M 3.22M 3.40M 2.76M 2.73M 2.63M 2.50M 2.54M 2.94M 2.90M 2.88M 2.77M 3.45M 3.71M 3.66M 3.83M 3.84M 4.51M 4.43M 3.89M
Citadel Advisors 783.84K 434.30K 1.30M 2.14M 2.86M 2.08M 2.82M 981.34K 409.80K 1.75M 2.98M 3.16M 1.38M 1.05M 2.06M 789.41K 516.25K 1.20M 2.17M 2.59M
Goldman Sachs Group 887.59K 649.38K 1.05M 920.95K 997.49K 861.51K 468.50K 588.72K 418.01K 468.18K 413.15K 550.95K 394.45K 373.37K 588.60K 926.42K 507.01K 447.15K 2.84M 2.55M
Geode Capital Management 2.03M 1.94M 2.03M 2.01M 1.82M 1.77M 1.77M 1.84M 1.92M 1.94M 1.98M 2.03M 2.02M 1.94M 2.01M 1.99M 2.22M 2.03M 2.11M 2.11M
Charles Schwab Investment Management 1.22M 1.21M 1.22M 1.18M 1.18M 1.15M 1.11M 1.10M 1.19M 1.21M 1.24M 1.26M 1.30M 1.35M 1.43M 1.56M 1.36M 1.49M 1.56M 1.54M
Morgan Stanley 1.43M 1.36M 1.05M 1.37M 1.45M 1.17M 1.07M 938.25K 756.09K 811.59K 892.22K 821.39K 986.89K 876.55K 937.91K 1.34M 1.78M 1.82M 1.65M 1.38M
Bank of America Corp 803.31K 1.08M 773.81K 1.19M 916.87K 2.17M 1.09M 1.02M 927.67K 1.07M 1.47M 1.81M 1.70M 735.37K 1.07M 1.59M 1.59M 1.79M 1.77M 1.28M
BNY Mellon 2.01M 1.78M 1.64M 1.67M 1.61M 1.51M 2.33M 2.13M 1.54M 1.40M 1.34M 1.37M 1.21M 1.31M 1.21M 1.12M 1.09M 1.22M 1.23M 1.20M
JPMorgan Chase & Co 368.62K 4.25M 551.33K 400 405.25K 489.25K 21.80K 21.80K 21.80K 50.20K 654.92K 1.70K 1.70K 1.70K 942.45K 386.57K 1.80K 344.33K — 976.67K
Northern Trust Corp 1.81M 1.69M 1.28M 1.21M 1.16M 1.13M 1.10M 1.12M 1.05M 1.06M 928.10K 1.01M 966.57K 1.13M 1.33M 971.41K 986.32K 962.50K 989.26K 1.00M
Invesco Ltd 3.20M 4.39M 3.87M 4.22M 2.30M 1.81M 1.93M 1.08M 1.13M 1.13M 1.65M 656.45K 333.61K 398.06K 408.58K 456.75K 525.42K 804.81K 795.95K 779.33K
UBS Group AG 2.30M 2.29M 2.21M 1.60M 3.00M 1.44M 153.31K 257.35K 122.66K 96.27K 289.07K 191.79K 158.07K 1.93M 369.27K 1.63M 721.77K 1.10M 1.12M 720.04K
Fidelity Management & Research (FMR) 20.48M 16.16M 7.29M 7.35M 7.15M 6.91M 9.24M 10.35M 9.84M 9.96M 10.23M 10.26M 9.75M 3.37M 3.15M 3.11M 1.36M 840.59K 719.72K 615.92K
Two Sigma Investments 128.31K 41.88K 8.64K — — 34.34K 26.30K 20.75K 17.54K — 54.45K 90.26K 45.54K 451.02K 814.36K 476.35K 215.28K — 1.20M 491.22K
Point72 Asset Management 460.66K 220.00K 412.02K 95.00K 31.63K 94.63K 4.03K 41.50K 464.51K 698.78K 408.59K 439.76K 468.91K 78.84K — 87.72K — 1.27M 166.00K 469.85K
Balyasny Asset Management 183.03K 323.44K 278.09K 541.22K 7.66K — 60.05K — 517.60K 1.65M 761.65K 131.74K 1.36M 1.37M 610.85K 291.20K — — 272.05K 452.87K
Renaissance Technologies 689.70K 494.40K 1.02M 460.30K 564.30K 598.30K 650.30K 729.90K 451.70K 243.80K 97.80K 37.80K — — 371.30K 469.80K 73.00K — — 283.50K
Arrowstreet Capital — 208.31K 379.54K 155.92K 344.30K 412.78K 923.88K — — — — — — — 155.76K 236.14K 958.13K 211.75K — 277.90K

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