Olin

OLN • NYSE

Olin is a chemicals - specialty company in the basic materials sector on NYSE, led by Scott M. Sutton, with a market cap of $2.5B. As of Q3 2025, 90% of shares are held by 356 institutional investors, with HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC as the largest holder at 11.07%.

CEOScott M. Sutton

Market Cap$2.5B

Chemicals - Specialty

Basic Materials

Employees7.3K

Websiteolin.com

Country

United States of America

Overview

Overview of institutional ownership in OLN as of Q3 2025 with a market cap of $2.9B

All Institutions

Institutions: 356
Value Held: $2.6B
Shares Held: 102.8M
Avg Position: $7.2M
Median Position: $469.5K

Hedge Funds

Hedge Funds: 51
Value Held: $324.4M
Shares Held: 13.0M
Avg Position: $6.4M
Median Position: $2.8M

Ownership Breakdown

Institutional (non-HF)

78.35%

$2.2B

Hedge Funds

11.32%

$324.4M

Retail & Other

10.33%

$295.9M

Based on market cap of $2.9B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in OLN as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	Scott Hoy Mcbride CEO	$317.1M 0.98% of portfolio	11.07% 12.7M shares	Q2 2022 Held for 3y 5m	$32.2B
B BlackRock, Inc. Institution	-	$314.1M 0.01% of portfolio	10.96% 12.6M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$289.0M 0.00% of portfolio	10.09% 11.6M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	Raife Brandon Giovinazzo Managing Partner	$161.5M 0.55% of portfolio	5.64% 6.5M shares	Q3 2020 Held for 5y 2m	$29.4B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$120.3M 0.00% of portfolio	4.20% 4.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$111.2M 0.02% of portfolio	3.88% 4.5M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
YACKTMAN ASSET MANAGEMENT LP Long Only Manager	Molly Mcfarland Pieroni President	$99.3M 1.37% of portfolio	3.47% 4.0M shares	Q2 2023 Held for 2y 5m	$7.3B
PZENA INVESTMENT MANAGEMENT LLC Long Only Manager	Chenyu Caroline Cai CEO	$95.9M 0.31% of portfolio	3.35% 3.8M shares	Q4 2019 Held for 5y 11m	$30.9B
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$62.1M 0.05% of portfolio	2.17% 2.5M shares	≤ Q2 2013 Held for 12y 5m+	$121.98B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$55.6M 0.00% of portfolio	1.94% 2.2M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for OLN in Q3 2025

Traded: +$113.9M
Buyers: 179
Sellers: 177
Total Bought: +$372.0M
Total Sold: −$258.1M
Avg Position: $6.2M

Biggest Buyers

Institution	Net Bought	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$56.8M +2.3M shares	$62.1M 2.5M shares
SEMPER AUGUSTUS INVESTMENTS GROUP LLC Family Office	+$28.2M +1.1M shares	$48.1M 1.9M shares
A Amundi Institution	+$24.4M +941.7K shares	$24.4M 941.7K shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$19.9M +807.8K shares	$44.6M 1.8M shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$18.0M +722.0K shares	$23.9M 958.1K shares
O Orbis Allan Gray Ltd RIA/Wealth	+$17.3M +693.2K shares	$17.3M 693.2K shares
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	+$16.5M +661.7K shares	$317.1M 12.7M shares
M MASTERS CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	+$13.7M +550.0K shares	$13.7M 550.0K shares
S STEADFAST CAPITAL MANAGEMENT LP Hedge Fund•Long/Short	+$11.1M +444.0K shares	$11.1M 444.0K shares
MORGAN STANLEY RIA/Wealth	+$11.0M +441.7K shares	$44.5M 1.8M shares

Biggest Sellers

Institution	Net Sold	Current Position
FMR LLC Institution	−$43.8M −1.8M shares	$34.0M 1.4M shares
UBS Group AG Institution	−$22.6M −904.1K shares	$18.0M 721.8K shares
Q Qube Research & Technologies Ltd Institution	−$15.5M −772.0K shares	Sold Off 0 shares
J Jump Financial, LLC Institution	−$14.5M −580.9K shares	$3.1M 126.0K shares
GOLDMAN SACHS GROUP INC Institution	−$10.5M −419.4K shares	$12.7M 507.0K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$9.9M −396.8K shares	$1.8M 73.0K shares
J JANE STREET GROUP, LLC Institution	−$9.3M −372.5K shares	$2.4M 97.8K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	−$7.6M −304.2K shares	$6.8M 271.5K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$7.6M −303.3K shares	$6.0M 238.2K shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	−$7.5M −301.5K shares	$3.5M 140.4K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited OLN in Q3 2025

New Positions: 31
New Value: $62.3M
Exited Positions: 56
Exited Value: $57.2M

New Positions

Institution	Position Value
O Orbis Allan Gray Ltd RIA/Wealth	$17.3M 693.2K shares
S STEADFAST CAPITAL MANAGEMENT LP Hedge Fund•Long/Short	$11.1M 444.0K shares
G GRIZZLYROCK CAPITAL, LLC Hedge Fund•Value	$7.6M 303.0K shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	$5.8M 230.5K shares
A Amitell Capital Pte Ltd Institution	$3.9M 154.7K shares
SCHF , LLC Fund of Funds	$3.2M 129.1K shares
S Saba Capital Management, L.P. Hedge Fund•Multi-Strategy	$2.8M 111.4K shares
CenterBook Partners LP Hedge Fund•Market Neutral	$2.7M 109.0K shares
O O'Brien Greene & Co. Inc RIA/Wealth	$1.5M 59.6K shares
A Absolute Gestao de Investimentos Ltda. Institution	$1.1M 45.0K shares

Exited Positions

Institution	Previous Position
Q Qube Research & Technologies Ltd Institution	$15.5M 772.0K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$5.9M 291.2K shares
T TWINBEECH CAPITAL LP Hedge Fund•Quant	$4.9M 245.0K shares
C CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM Institution	$3.8M 190.1K shares
M MACQUARIE GROUP LTD Institution	$3.6M 180.0K shares
Magnetar Financial LLC Hedge Fund•Multi-Strategy	$2.3M 114.3K shares
N NATIONAL BANK OF CANADA /FI/ Institution	$2.2M 109.2K shares
H HRT FINANCIAL LLC Institution	$2.0M 100.8K shares
S State of New Jersey Common Pension Fund D Institution	$1.9M 96.4K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$1.9M 93.9K shares

Options Activity

Institutions with the largest Call and Put options positions in OLN as of Q3 2025

Call Positions: 16
Call Value: $31.5M
Put Positions: 12
Put Value: $12.5M

Call Positions

Institution	Position Value
M MASTERS CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	$12.5M 5.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$4.1M 1.6K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$3.3M 1.3K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$2.2M 865.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.6M 653.0 contracts
Walleye Trading LLC RIA/Wealth	$1.6M 621.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.3M 539.0 contracts
S SIG BROKERAGE, LP Institution	$1.2M 500.0 contracts
S Squarepoint Ops LLC Hedge Fund•Quant	$897.1K 359.0 contracts
D D. E. Shaw & Co., Inc. Institution	$847.2K 339.0 contracts

Put Positions

Institution	Position Value
D D. E. Shaw & Co., Inc. Institution	$3.5M 1.4K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.9M 1.2K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$2.3M 908.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.2M 472.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$892.1K 357.0 contracts
J JANE STREET GROUP, LLC Institution	$577.3K 231.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$409.8K 164.0 contracts
W WOLVERINE TRADING, LLC Institution	$320.2K 131.0 contracts
Walleye Trading LLC RIA/Wealth	$297.4K 119.0 contracts
MARINER INVESTMENT GROUP LLC Hedge Fund•Multi-Strategy	$161.3K 1.0K contracts

Most Committed Institutions

Institutions with OLN as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
SEMPER AUGUSTUS INVESTMENTS GROUP LLC Family Office	Patrick Olivier Guest CEO	6.01% $48.1M	1.68% 1.9M shares	Q3 2019 Held for 6y 2m	$800.5M
G GRIZZLYROCK CAPITAL, LLC Hedge Fund•Value	Michael Timothy Holt Member	5.88% $7.6M	0.26% 303.0K shares	Q3 2025 Held for 2 months	$128.8M
T THOMIST CAPITAL MANAGEMENT, LP Hedge Fund•Long/Short	Brian Kuzma Managing Partner	4.75% $15.2M	0.54% 623.4K shares	Q2 2025 Held for 5 months	$320.9M
A Amitell Capital Pte Ltd Institution	-	2.86% $3.9M	0.13% 154.7K shares	Q3 2025 Held for 2 months	$135.2M
M MASTERS CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	Michael Willingham Masters CEO	2.64% $13.7M	0.48% 550.0K shares	Q3 2025 Held for 2 months	$521.3M
S Soapstone Management L.P. Hedge Fund•Long/Short	Jed Franco Nussdorf Managing Partner	2.54% $3.7M	0.13% 150.0K shares	Q4 2018 Held for 6y 11m	$147.3M
I Impala Asset Management LLC Hedge Fund•Long/Short	Robert James Bishop CEO	2.21% $3.0M	0.10% 120.0K shares	Q3 2025 Held for 2 months	$136.0M
YACKTMAN ASSET MANAGEMENT LP Long Only Manager	Molly Mcfarland Pieroni President	1.37% $99.3M	3.47% 4.0M shares	Q2 2023 Held for 2y 5m	$7.3B
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	Scott Hoy Mcbride CEO	0.98% $317.1M	11.07% 12.7M shares	Q2 2022 Held for 3y 5m	$32.2B
Appian Way Asset Management LP Hedge Fund•Market Neutral	Andrew Christopher Byington CIO	0.93% $4.3M	0.15% 171.7K shares	Q3 2025 Held for 2 months	$460.0M

Hedge Fund Spotlight

Discover hedge funds investing in OLN

Walnut Level Capital LLC

Hedge Fund • Sector

Portfolio ManagerCharles William Antrim

Portfolio Value: $141.9M
Positions: 31
Last Reported: Q3 2025

Sector Allocation

Position in Olin

Market Value: $999.6K
Shares Held: 40.0K
Portfolio Weight: 0.70%
Owned Since: 2023-Q4

Top Holding	Sector	Market Value	Weight
1 Andersons Inc. ANDE	Food Distribution Consumer Defensive	$22.9M	16.12%
2 Methanex MEOH	Chemicals Basic Materials	$15.8M	11.12%
3 Mission Produce, Inc. AVO	Food Distribution Consumer Defensive	$12.9M	9.11%