13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Chemicals & Allied ProductsDefensive growthQuality
OLN

OLIN CORP

447 institutions still hold OLIN CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 680665205·Chemicals & Allied Products·447 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 9.1%
vs prior quarter
13F value held
$2.3B
52.0% inst. owned
of float
Holders
447
+33 QoQ
filers reporting
Activity
+31 / −61
+986 added · −904 reduced
this quarter
Concentration
19.27%
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

447 institutions reported OLN in Q1 2026. HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC leads at 19.3% of the visible book. +33 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
CIK 0001164833
$448M15.1M1.38%Q1 202602
BlackRock, Inc.
CIK 0002012383
$342M11.5M0.01%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$167M5.6M0.03%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$162M5.4M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$150M5.0M0.00%Q1 202606
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$149M5.0M0.50%Q1 202607
STATE STREET CORP
CIK 0000093751
$143M4.8M0.00%Q1 202608
PZENA INVESTMENT MANAGEMENT LLC
CIK 0001027796
$132M4.4M0.43%Q1 202609
YACKTMAN ASSET MANAGEMENT LP
CIK 0000905567
$122M4.1M1.62%Q1 202610
GOLDMAN SACHS GROUP INC
CIK 0000886982
$84M2.8M0.01%Q1 202611
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$63M2.1M0.00%Q1 202612
BANK OF AMERICA CORP /DE/
CIK 0000070858
$53M1.8M0.00%Q1 202613
MORGAN STANLEY
CIK 0000895421
$49M1.7M0.00%Q1 202614
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$46M1.6M0.01%Q1 202615
SEMPER AUGUSTUS INVESTMENTS GROUP LLC
CIK 0001115373
$40M1.9M4.66%Q4 202516
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$37M1.2M0.00%Q1 202617
Bank of New York Mellon Corp
CIK 0001390777
$37M1.2M0.01%Q1 202618
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$36M1.2M0.03%Q1 202619
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$35M1.2M0.02%Q1 202620
UBS Group AG
CIK 0001610520
$33M1.1M0.01%Q1 2026
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