Olin OLN Institutional Ownership

NYSE OLN

$15.47 +0.03 (+0.23%)

As of: Sep 30, 2026 · 10:25 AM EDT

Institutions by Trading Activity

413 Institutions

Increased 215 52.1%

Unchanged 77 18.6%

Reduced 121 29.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

101.17%

▲+2.70 pp QoQ

Shares Held by Institutions

115.24Mn

of 113.90Mn outstanding

▲+7.66% QoQ

Shares Outstanding

113.90Mn

-1.34Mn held outside 13F filers

Institutional Investors

413

filed 13F for Jun 2026

▼-7 vs prior quarter

Net Shares Added (QoQ)

+8.20Mn

accumulated since last quarter

Value of Holdings

$1.85Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

OLIN Corp (NYSE:OLN) appears in 413 institutional 13F filings for the quarter ending June 2026.

These investors held 101.2% of outstanding shares in June 2026, up from 98.5% in March 2026.
Their total shares held in OLN increased 7.66% from the prior quarter, while the number of investors in Olin increased 16.67% year over year.
Among the 413 funds, 215 bought more Olin shares, 121 sold down, and 77 held their ground.
Altogether, these fund groups held 115.24Mn shares in OLN by June 2026, up by 8.2Mn shares quarter on quarter, and up 12.89Mn shares year over year.
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC leads ownership in OLN with 16.02Mn shares as of June 30, 2026, equal to 14.07% of outstanding shares.
The largest buyers of Olin for the quarter ending June 2026 were AQR CAPITAL MANAGEMENT LLC (4.34Mn), Sixth Street Partners Management Company, L.P. (1.54Mn), CAPTRUST FINANCIAL ADVISORS (1.3Mn), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (936.99K), Jpmorgan Chase & Co (726.44K).
Top sellers of OLN stock for the quarter ending June 2026 included MILLENNIUM MANAGEMENT LLC (984.37K), FULLER & THALER ASSET MANAGEMENT, INC. (714.29K), TWO SIGMA INVESTMENTS, LP (704.41K), TUDOR INVESTMENT CORP ET AL (631.72K), D. E. Shaw & Co., Inc. (562.22K).
Business Quant data shows the 10 biggest positions in Olin as of June 2026 are held by HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (16.02Mn), BlackRock, Inc. (11.98Mn), DIMENSIONAL FUND ADVISORS LP (6.17Mn), AQR CAPITAL MANAGEMENT LLC (5.51Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (5.45Mn), VANGUARD CAPITAL MANAGEMENT LLC (5.14Mn), State Street Corp (4.8Mn), FULLER & THALER ASSET MANAGEMENT, INC. (4.3Mn), YACKTMAN ASSET MANAGEMENT LP (4.21Mn), PZENA INVESTMENT MANAGEMENT LLC (3.89Mn).

Form 13F Holdings

413 Institutional Holders

Report period 30 Jun, 2026

Total shares held 115.24Mn

Of outstanding 101.17%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0001164833	16,021,214	14.07%	▲936,990	+6.21%	$317.54Mn
2	BlackRock, Inc.	0002012383	11,984,254	10.52%	▲497,398	+4.33%	$237.53Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	6,166,477	5.41%	▲538,480	+9.57%	$122.23Mn
4	AQR CAPITAL MANAGEMENT LLC	0001167557	5,510,335	4.84%	▲4,344,109	+372.49%	$109.21Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	5,447,478	4.78%	▲8,071	+0.15%	$107.97Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	5,138,572	4.51%	▲99,604	+1.98%	$101.85Mn
7	State Street Corp	0000093751	4,799,788	4.21%	▼230	0.00%	$95.13Mn
8	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	4,301,590	3.78%	▼714,287	-14.24%	$85.26Mn
9	YACKTMAN ASSET MANAGEMENT LP	0000905567	4,209,403	3.70%	▲117,192	+2.86%	$83.43Mn
10	PZENA INVESTMENT MANAGEMENT LLC	0001027796	3,890,204	3.42%	▼541,409	-12.22%	$77.10Mn
11	Goldman Sachs Group Inc	0000886982	2,550,105	2.24%	▼286,078	-10.09%	$50.54Mn
12	CITADEL ADVISORS LLC	0001423053	2,233,816	1.96%	▲593,302	+36.17%	$44.27Mn
13	SEMPER AUGUSTUS INVESTMENTS GROUP LLC	0001115373	2,153,826	1.89%	▲124,507	+6.14%	$42.69Mn
14	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,107,148	1.85%	▼4,428	-0.21%	$41.78Mn
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,543,162	1.35%	▼14,020	-0.90%	$30.59Mn
15	Sixth Street Partners Management Company, L.P.	0001812095	1,543,162	1.35%	▲1,543,162	0.00%	$30.59Mn
16	Morgan Stanley	0000895421	1,384,610	1.22%	▼267,057	-16.17%	$27.44Mn
17	CAPTRUST FINANCIAL ADVISORS	0001512024	1,321,951	1.16%	▲1,301,343	+6,314.75%	$26.20Mn
18	Bank Of America Corp /De/	0000070858	1,284,002	1.13%	▼490,007	-27.62%	$25.45Mn
19	Bank of New York Mellon Corp	0001390777	1,200,056	1.05%	▼32,856	-2.66%	$23.79Mn

Showing 1 to 20 of 413 holders