OLIN Corp

OLN

Exchange: NYSE
Industry: Chemicals & Allied Products
SEC CIK: 0000074303

SEC filings (opens in a new tab)

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.

13F holders, Q3 2026

Institutional positions in OLIN Corp as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 3; 0 vs. Q2 2026
Shares held: 5.09K; +2.84K (+126.6%) vs. Q2 2026
Total value: $78.6K; +$34.1K (+76.7%) vs. Q2 2026
New holders: 1; 0 more added
Sold out: 1; 2 more reduced

412 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding OLN and their total value by quarter
Quarter	Holders	Value
Q2 2026	415	$2.26B
Q1 2026	422	$3.35B
Q4 2025	379	$2.21B
Q3 2025	370	$2.58B
Q2 2025	352	$2.09B
Q1 2025	354	$2.45B
Q4 2024	384	$3.51B
Q3 2024	396	$4.92B
Q2 2024	445	$4.93B
Q1 2024	433	$6.15B
Q4 2023	426	$5.72B
Q3 2023	428	$5.33B
Q2 2023	463	$5.62B
Q1 2023	481	$6.18B
Q4 2022	472	$6.12B
Q3 2022	455	$5.23B
Q2 2022	483	$5.94B
Q1 2022	476	$6.70B
Q4 2021	462	$7.68B
Q3 2021	388	$6.58B
Q2 2021	360	$6.36B
Q1 2021	318	$5.16B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding OLIN Corp; share changes are against Q2 2026.

Institutions holding OLN in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Voleon Capital Management LP	–	–	–	–	Not filed
Mitsubishi UFJ Trust & Banking Corp	–	–	–	–	Not filed
Brighton Jones LLC	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
Neuberger Berman Group LLC	–	–	–	–	Not filed
First Western Trust Bank	–	–	–	–	Not filed
South Dakota Investment Council	–	–	–	–	Not filed
Atom Investors LP	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
Miller Financial Services LLC	–	–	–	–	Not filed
Advisor Group Holdings, Inc.	–	–	–	–	Not filed
Ieq Capital, LLC	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Berman McAleer LLC	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
AlphaGrep UK Ltd	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
Blair William & Co	–	–	–	–	Not filed
SRS Capital Advisors, Inc.	–	–	–	–	Not filed
Evergreen Capital Management LLC	–	–	–	–	Not filed
Commonwealth Equity Services, LLC	–	–	–	–	Not filed
M&T Bank Corp	–	–	–	–	Not filed
Aster Capital Management (DIFC) Ltd	–	–	–	–	Not filed
Garner Asset Management Corp	–	–	–	–	Not filed
Sequoia Financial Advisors, LLC	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
Merit Financial Group, LLC	–	–	–	–	Not filed
Bank of Montreal	–	–	–	–	Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH	–	–	–	–	Not filed
Chicago Partners Investment Group LLC	–	–	–	–	Not filed
Ethic Inc.	–	–	–	–	Not filed
Nisa Investment Advisors, LLC	–	–	–	–	Not filed
Buckingham Strategic Partners	–	–	–	–	Not filed
Teacher Retirement System of Texas	–	–	–	–	Not filed
Xponance, Inc.	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
Squarepoint Ops LLC	–	–	–	–	Not filed
Deutsche Bank AG	–	–	–	–	Not filed
Brown, Lisle/Cummings, Inc.	–	–	–	–	Not filed
Arbiter Partners Capital Management LLC	–	–	–	–	Not filed
O'Shaughnessy Asset Management, LLC	–	–	–	–	Not filed
Values First Advisors, Inc.	–	–	–	–	Not filed
Pacer Advisors, Inc.	–	–	–	–	Not filed
Kraematon Investment Advisors, Inc	–	–	–	–	Not filed
Public Employees Retirement Association of Colorado	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
D.A. Davidson & Co.	–	–	–	–	Not filed
MAI Capital Management	–	–	–	–	Not filed
Krilogy Financial LLC	–	–	–	–	Not filed
Sterneck Capital Management, LLC	–	–	–	–	Not filed
Two Sigma Securities, LLC	–	–	–	–	Not filed
Cowa, LLC	–	–	–	–	Not filed
Central Pacific Bank - Trust Division	–	–	–	–	Not filed
Pine Valley Investments Ltd Liability Co	–	–	–	–	Not filed
Integrated Wealth Concepts LLC	–	–	–	–	Not filed
Kingsview Wealth Management, LLC	–	–	–	–	Not filed
Hudson Portfolio Management LLC	–	–	–	–	Not filed
HB Wealth Management, LLC	–	–	–	–	Not filed
Claret Asset Management Corp	–	–	–	–	Not filed
Alberta Investment Management Corp	–	–	–	–	Not filed
Harbor Advisors LLC	–	–	–	–	Not filed
Tower Research Capital LLC (TRC)	–	–	–	–	Not filed
Securian Asset Management, Inc	–	–	–	–	Not filed
Rockefeller Capital Management L.P.	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
Walleye Trading LLC	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
Bayforest Capital Ltd	–	–	–	–	Not filed
Arlington Trust Co LLC	–	–	–	–	Not filed
NBC Securities, Inc.	–	–	–	–	Not filed
Allworth Financial LP	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Hantz Financial Services, Inc.	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
Group One Trading, L.P.	–	–	–	–	Not filed
Quarry LP	–	–	–	–	Not filed
KBC Group NV	–	–	–	–	Not filed
Bryn Mawr Trust Co	–	–	–	–	Not filed
Custom Index Systems, LLC	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
IFP Advisors, Inc	–	–	–	–	Not filed
Nykredit A/S	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
State of Wyoming	–	–	–	–	Not filed
GWM Advisors LLC	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Spire Wealth Management	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
Danske Bank A/S	–	–	–	–	Not filed
Barrett & Company, Inc.	–	–	–	–	Not filed
Harbour Investments, Inc.	–	–	–	–	Not filed
Deseret Mutual Benefit Administrators	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed