372 hedge funds and large institutions have $2.21B invested in Olin in 2025 Q4 according to their latest regulatory filings, with 71 funds opening new positions, 107 increasing their positions, 131 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

14% less capital invested

Capital invested by funds: $2.58B → $2.21B (-$366M)

18% less repeat investments, than reductions

Existing positions increased: 107 | Existing positions reduced: 131

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
372
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$41.8M
Puts
$17.1M
Net Calls
Net Calls Change

Top Buyers

1 +$67.1M
2 +$55.8M
3 +$26.9M
4
Pzena Investment Management
Pzena Investment Management
New York
+$14.5M
5
Citadel Advisors
Citadel Advisors
Florida
+$12.7M

Top Sellers

1 -$52.9M
2 -$34.4M
3 -$25.8M
4
Amundi
Amundi
France
-$16.9M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$16.1M
Name Holding Trade Value Shares
Change
Change in
Stake
MOACM
126
Mutual of America Capital Management
New York
$989K
SIA
127
Sit Investment Associates
Minnesota
$970K
MM
128
Marnell Management
Michigan
$952K
New York State Common Retirement Fund
129
New York State Common Retirement Fund
New York
$940K
VMMC
130
V.M. Manning & Co
South Carolina
$939K
DT
131
DBA Trading
Florida
$937K
PFSRSONJ
132
Police & Firemen's Retirement System of New Jersey
New Jersey
$930K
Thrivent Financial for Lutherans
133
Thrivent Financial for Lutherans
Minnesota
$925K
State of Tennessee, Department of Treasury
134
State of Tennessee, Department of Treasury
Tennessee
$922K
IMC Chicago
135
IMC Chicago
Illinois
$921K
Creative Planning
136
Creative Planning
Kansas
$909K
STA
137
Summit Trail Advisors
New York
$887K
BNP Paribas Financial Markets
138
BNP Paribas Financial Markets
France
$841K
TRSOTSOK
139
Teachers Retirement System of the State of Kentucky
Kentucky
$829K
Squarepoint
140
Squarepoint
New York
$795K
SIM
141
SummerHaven Investment Management
Connecticut
$783K
CG
142
Caprock Group
Idaho
$782K
RR
143
Robotti Robert
$779K
KK
144
KLP Kapitalforvaltning
Norway
$777K
SSA
145
Schonfeld Strategic Advisors
New York
$775K
TC
146
TwinBeech Capital
New York
$766K
Cambridge Investment Research Advisors
147
Cambridge Investment Research Advisors
Iowa
$748K
UA
148
Unison Advisors
District of Columbia
$745K
Millennium Management
149
Millennium Management
New York
$732K
Ohio Public Employees Retirement System (OPERS)
150
Ohio Public Employees Retirement System (OPERS)
Ohio
$720K