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OLN · OLIN Corp · Shareholders & Ownership

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$15.66 +0.12 (+0.77%) At close · Oct 23
Market Cap
$1.78B
Shares
113.98M
Volume · Oct 23 4.57M Avg daily vol (3M) 3.51M

Every disclosed holder of OLN in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns OLN

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 113,125,555 99.25%
Insiders (Forms 3, 4, 5) 466,047 0.41%
13D/G-only blocks 0 0.00%
Remaining 390,888 0.34%
Registered funds (N-PORT, not summed) 56,264,753 49.36%

Shares outstanding: 113,982,490, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of OLN

# Holder Shares
1
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13F CIK 1164833 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
16,021,214
1.1
Hotchkis and Wiley Small Cap Value Fund
Fund S000006215 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
1,504,400
1.2
Hotchkis & Wiley Opportunities Fund
Fund S000006216 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
1,309,800
1.3
Hotchkis and Wiley Mid-Cap Value Fund
Fund S000006214 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
404,900
1.4
HW Opportunities MP Fund
Fund S000083057 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
253,800
1.5
Hotchkis and Wiley Large Cap Fundamental Value Fund
Fund S000006213 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
190,700
2
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
11,984,254
2.1
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,894,172
2.2
iShares S&P Mid-Cap 400 Value ETF
Fund S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
570,578
2.3
BlackRock Event Driven Equity Fund
Fund S000018499 · Registered fund · May 29, 2026
BlackRock Large Cap Series Funds, Inc., not summed
557,893
2.4
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
466,317
2.5
iShares Russell 1000 Value ETF
Fund S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
254,138
3
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,166,477
3.1
DIMENSIONAL FUND ADVISORS LP
13G CIK 354204 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,166,477
3.2
U.S. SMALL CAP VALUE PORTFOLIO
Fund S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,346,389
3.3
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
797,948
3.4
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
607,999
3.5
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
507,374
4
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,510,335
4.1
AQR CAPITAL MANAGEMENT LLC
13G CIK 1167557 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
5,739,046
4.2
AQR Managed Futures Strategy HV Fund
Fund S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
172,160
4.3
AQR Managed Futures Strategy Fund
Fund S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
123,963
4.4
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
54,007
4.5
AQR Trend Total Return Fund
Fund S000074759 · Registered fund · Jun 30, 2026
AQR Funds, not summed
17,254
5
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,447,478
6
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,138,572
7
VANGUARD WINDSOR II FUND
Fund S000004418 · Registered fund · Jul 31, 2026
VANGUARD WINDSOR FUNDS, not summed
5,007,700
8
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,799,788
8.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
576,528
8.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
174,661
8.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
38,447
8.4
State Street(R) SPDR(R) Russell 1000 Yield Focus ETF
Fund S000051787 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
24,640
8.5
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
24,342
9
FULLER & THALER ASSET MANAGEMENT, INC.
13F CIK 1082327 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,301,590
10
YACKTMAN ASSET MANAGEMENT LP
13F CIK 905567 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,209,403
11
PZENA INVESTMENT MANAGEMENT LLC
13F CIK 1027796 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,890,204
11.1
Pzena Mid Cap Value Fund
Fund S000044707 · Registered fund · May 31, 2026
Advisors Series Trust, not summed
77,254
11.2
Pzena Small Cap Value Fund
Fund S000053713 · Registered fund · May 31, 2026
Advisors Series Trust, not summed
70,013
12
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,622,934
13
Undiscovered Managers Behavioral Value Fund
Fund S000004186 · Registered fund · Jun 30, 2026
UNDISCOVERED MANAGERS FUNDS, not summed
3,342,130
14
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,616,280
15
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,550,105
15.1
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
5,025
15.2
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
1,624
16
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,233,816
17
AMG Yacktman Fund
Fund S000037566 · Registered fund · Jun 30, 2026
AMG Funds, not summed
2,205,000
18
SEMPER AUGUSTUS INVESTMENTS GROUP LLC
13F CIK 1115373 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,153,826
19
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,107,148
20
VANGUARD SELECTED VALUE FUND
Fund S000004409 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
2,055,195
21
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,654,679
22
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,543,162
22.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
543,854
22.2
Schwab Fundamental U.S. Large Company ETF
Fund S000040877 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
513,078
22.3
Schwab Fundamental U.S. Large Company Index Fund
Fund S000016766 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
260,044
22.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
67,689
22.5
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
67,135
23
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,384,610
23.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
81
24
CAPTRUST FINANCIAL ADVISORS
13F CIK 1512024 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,321,951
25
American Beacon Small Cap Value Fund
Fund S000001818 · Registered fund · Jul 31, 2026
AMERICAN BEACON FUNDS, not summed
1,318,222
26
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,307,280
27
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,284,002
28
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,200,056
28.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
4,265
29
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,004,672
29.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
74,170
29.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
23,700
29.3
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
10,710
30
AMG Yacktman Focused Fund
Fund S000037565 · Registered fund · Jun 30, 2026
AMG Funds, not summed
995,000
31
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
976,669
32
Allianz Asset Management GmbH
13F CIK 1535323 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
972,709
32.1
PIMCO RAE US Small Fund
Fund S000048957 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
235,053
32.2
PIMCO RAE US Fund
Fund S000048956 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
170,954
32.3
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
Fund S000057225 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
1,959
33
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
779,328
33.1
Invesco S&P Midcap 400 Pure Value ETF
Fund S000060796 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
244,636
33.2
Invesco RAFI US 1000 ETF
Fund S000011995 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
156,274
33.3
Invesco S&P MidCap 400 Revenue ETF
Fund S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
134,318
33.4
Invesco Russell 1000 Equal Weight ETF
Fund S000047524 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
69,642
33.5
Invesco S&P Midcap 400 QVM Multi-Factor ETF
Fund S000072319 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
15,189
34
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
773,430
34.1
Victory Integrity Small-Cap Value Fund
Fund S000046393 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
233,400
34.2
VictoryShares US Small Mid Cap Value Momentum ETF
Fund S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
144,371
34.3
Victory Small Cap Stock Fund
Fund S000012914 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
38,135
34.4
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
13,086
35
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F CIK 1107261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
744,606
35.1
Omni Small-Cap Value Fund
Fund S000033567 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
250,000
36
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
720,044
37
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
719,513
38
RAYMOND JAMES FINANCIAL INC
13F CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
683,398
39
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
615,925
39.1
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
589,780
39.2
Fidelity Mid Cap Index Fund
Fund S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
430,255
39.3
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
238,500
39.4
Select Chemicals Portfolio
Fund S000007492 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
217,400
39.5
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
216,502
40
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
584,249
40.1
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
179,202
40.2
Nuveen Small Cap Value Opportunities Fund
Fund S000000606 · Registered fund · Jun 30, 2026
Nuveen Investment Trust, not summed
177,209
40.3
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
113,790
40.4
Nuveen Large Cap Value Index Fund
Fund S000005388 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
44,408
40.5
TIAA Separate Account VA-1 - Stock Index Account
Fund S000005098 · Registered fund · Jun 30, 2026
TIAA Separate Account VA-1, not summed
2,933
41
PDT Partners, LLC
13F CIK 1564702 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
558,806
42
Gotham Asset Management, LLC
13F CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
552,774
42.1
Gotham Absolute Return Fund
Fund S000038174 · Registered fund · Jun 30, 2026
FundVantage Trust, not summed
32,242
42.2
Gotham Enhanced Return Fund
Fund S000040832 · Registered fund · Jun 30, 2026
FundVantage Trust, not summed
7,726
42.3
Gotham Neutral Fund
Fund S000041944 · Registered fund · Jun 30, 2026
FundVantage Trust, not summed
5,611
43
Empowered Funds, LLC
13F CIK 1592828 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
505,046
43.1
EA Bridgeway Omni Small-Cap Value ETF
Fund S000078089 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
494,606
43.2
Research Affiliates Deletions ETF
Fund S000086056 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
6,334
43.3
Strive Small-Cap ETF
Fund S000078019 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
4,012
43.4
RACWI US ETF
Fund S000093059 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
94
44
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
491,216
45
SEGALL BRYANT & HAMILL, LLC
13F CIK 1006378 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
490,909
45.1
SBH SMALL CAP VALUE FUND
Fund S000065432 · Registered fund · Jun 30, 2026
Segall Bryant & Hamill Trust, not summed
119,468
46
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
483,174
46.1
First Trust Materials AlphaDEX Fund
Fund S000017702 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
474,417
46.2
First Trust Small Cap Core AlphaDEX Fund
Fund S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
132,038
46.3
First Trust Small Cap Value AlphaDEX Fund
Fund S000031807 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
35,493
46.4
First Trust Multi Cap Value AlphaDEX Fund
Fund S000017342 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
6,139
47
VANGUARD HIGH DIVIDEND YIELD INDEX FUND
Fund S000014011 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
460,799
48
MetLife Investment Management, LLC
13F CIK 1529735 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
457,439
49
Balyasny Asset Management L.P.
13F CIK 1218710 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
452,869
50
KLCM Advisors, Inc.
13F CIK 1166620 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
448,278

68 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 552 holders

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Key facts CIK 74303 CUSIP 680665205 13F (30d) 62 filings 62 filers Visit website Investor relations