OLNOlin Corporation

$17.53

Who owns OLN

408 institutions reported holding OLN for 2026Q1, together 98% of the company, more than the 375 a quarter earlier.

408

Institutions reporting a position · as of 2026Q1 · up from 375 the quarter before

Shares held by institutions
111.7M

Shares held by institutions · 98% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.32B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
43%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
100
Positions exited
71
Added to
134
Reduced
79
Top 10 holdersof the company
59%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q1408111.7M$3.32B
2025Q4375106.2M$2.21B
2025Q3367103.1M$2.58B
2025Q2346104.1M$2.10B
2025Q1349100.8M$2.45B
2024Q4378103.8M$3.51B
2024Q3392102.5M$4.92B
2024Q2443104.4M$4.92B
2024Q1429105.2M$6.14B
2023Q4419105.9M$5.71B
2023Q3421106.4M$5.32B
2023Q2454109.4M$5.61B
2023Q1472111.2M$6.16B
2022Q4466115.5M$6.12B
2022Q3450121.7M$5.22B
2022Q2472128.1M$5.93B
Largest reported holders, 2026Q1
HolderShares% of companyValue
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC15.1M13%$448M
BlackRock Inc.11.5M10%$342M
VANGUARD GROUP INC11.4M10.0%$338M
DIMENSIONAL FUND ADVISORS LP5.6M4.9%$167M
FULLER & THALER ASSET MANAGEMENT, INC.5.0M4.4%$149M
STATE STREET CORP4.8M4.2%$143M
PZENA INVESTMENT MANAGEMENT LLC4.4M3.9%$132M
YACKTMAN ASSET MANAGEMENT LP4.1M3.6%$122M
GOLDMAN SACHS GROUP INC2.8M2.5%$84M
GEODE CAPITAL MANAGEMENT LLC2.1M1.9%$63M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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