OLIN Corp (OLN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

75,294,118Shares Outstanding

1,430,846Shares held by institutions

$34,154,294Value of institutional holdings

82.60%Institutional ownership %

-1.33%Shares Changed QoQ

237No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

OLIN Corp (NYSE:OLN) currently has 355 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

The collective stake of institutional investors in Olin moved to 93.1% in December 2025, a shift up from the 91.0% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 6.25%, with a year-over-year a decrease of 6.82% in the count of filers.
Among the 355 institutional holders of Olin, 169 added to their stakes while 124 trimmed their positions and 62 held steady.
Collectively, institutional investors increased their stake in Olin to 106.18Mn shares as of December 2025, a change that is up by 6.24Mn shares quarter on quarter and up 2.04Mn shares year over year.
With 15.28Mn shares, HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC commands the largest institutional position in Olin as of December 31, 2025, equating to 13.40% of the company.
Among the most significant buyers of Olin during December 2025 were Orbis Allan Gray Ltd (3.11Mn), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (2.59Mn), Point72 Asset Management, L.P. (1.25Mn), PZENA INVESTMENT MANAGEMENT LLC (671.25K), MASTERS CAPITAL MANAGEMENT LLC (650.00K).
Leading sellers of Olin stock in December 2025 included MILLENNIUM MANAGEMENT LLC (2.45Mn), THRIVENT FINANCIAL FOR LUTHERANS (1.60Mn), AQR CAPITAL MANAGEMENT LLC (1.20Mn), Amundi (785.25K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (746.38K).
The top 10 institutional holders of Olin for the quarter ending December 2025 included HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (15.28Mn), BlackRock, Inc. (11.95Mn), VANGUARD GROUP INC (11.34Mn), FULLER & THALER ASSET MANAGEMENT, INC. (5.88Mn), STATE STREET CORP (4.74Mn), DIMENSIONAL FUND ADVISORS LP (4.60Mn), PZENA INVESTMENT MANAGEMENT LLC (4.51Mn), YACKTMAN ASSET MANAGEMENT LP (3.92Mn), Orbis Allan Gray Ltd (3.80Mn), GEODE CAPITAL MANAGEMENT, LLC (2.03Mn).

355 Institutional Holders

1,430,846 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	15,278,245	2,587,757	20.39%	$318,245,843.00
BlackRock, Inc.	31 Dec, 2025	11,951,713	-615,965	-4.90%	$248,954,190.00
VANGUARD GROUP INC	31 Dec, 2025	11,337,815	-226,401	-1.96%	$236,166,687.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	5,882,744	-581,417	-8.99%	$122,537,561.00
STATE STREET CORP	31 Dec, 2025	4,737,498	-77,539	-1.61%	$98,682,083.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	4,596,499	145,424	3.27%	$95,745,606.00
PZENA INVESTMENT MANAGEMENT LLC	31 Dec, 2025	4,507,913	671,250	17.50%	$93,899,828.00
YACKTMAN ASSET MANAGEMENT LP	31 Dec, 2025	3,922,318	-51,836	-1.30%	$81,701,884.00
Orbis Allan Gray Ltd	31 Dec, 2025	3,804,561	3,111,393	448.87%	$79,249,006.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,030,636	-192,323	-8.65%	$42,310,889.00
SEMPER AUGUSTUS INVESTMENTS GROUP LLC	31 Dec, 2025	1,943,440	19,195	1.00%	$40,481,853.00
MORGAN STANLEY	31 Dec, 2025	1,820,854	38,457	2.16%	$37,928,409.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	1,793,246	207,661	13.10%	$37,353,313.00
MASTERS CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,700,000	650,000	61.90%	$35,411,000.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	1,489,506	125,363	9.19%	$31,026,410.00
Point72 Asset Management, L.P.	31 Dec, 2025	1,249,311	1,249,311	0.00%	$26,023,148.00
Bank of New York Mellon Corp	31 Dec, 2025	1,220,622	134,502	12.38%	$25,425,562.00
UBS Group AG	31 Dec, 2025	1,098,312	376,543	52.17%	$22,877,839.00
NORTHERN TRUST CORP	31 Dec, 2025	962,503	-23,812	-2.41%	$20,048,939.00
FMR LLC	31 Dec, 2025	840,589	-518,545	-38.15%	$17,509,454.00

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