414 hedge funds and large institutions have $3.34B invested in Olin in 2026 Q1 according to their latest regulatory filings, with 110 funds opening new positions, 145 increasing their positions, 85 reducing their positions, and 60 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
414
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$91M
Puts
$26.8M
Net Calls
Net Calls Change

Top Buyers

1 +$58.4M
2 +$29.2M
3 +$25.2M
4
Millennium Management
Millennium Management
New York
+$25.2M
5
Citadel Advisors
Citadel Advisors
Florida
+$19.9M
Name Holding Trade Value Shares
Change
Change in
Stake
RF
151
Rossby Financial
Florida
$1.17M
KK
152
KLP Kapitalforvaltning
Norway
$1.11M
Group One Trading
153
Group One Trading
Illinois
$1.09M
MIM
154
Merrion Investment Management
New Jersey
$1.08M
UA
155
Unison Advisors
District of Columbia
$1.06M
LIP
156
Lighthouse Investment Partners
Florida
$1.06M
Mitsubishi UFJ Trust & Banking
157
Mitsubishi UFJ Trust & Banking
Japan
$1.01M
Ohio Public Employees Retirement System (OPERS)
158
Ohio Public Employees Retirement System (OPERS)
Ohio
$994K
SIM
159
SummerHaven Investment Management
Connecticut
$990K
LSERS
160
Louisiana State Employees Retirement System
Louisiana
$978K
EC
161
EntryPoint Capital
New York
$940K
ASRS
162
Arizona State Retirement System
Arizona
$932K
FCBT
163
First Citizens Bank & Trust
North Carolina
$928K
Zurich Cantonal Bank
164
Zurich Cantonal Bank
Switzerland
$919K
Hudson Bay Capital Management
165
Hudson Bay Capital Management
Connecticut
$892K
Envestnet Portfolio Solutions
166
Envestnet Portfolio Solutions
Illinois
$890K
VIA
167
Vanguard Investments Australia
Australia
$886K
BI
168
Bramshill Investments
Florida
$878K
HA
169
Huntleigh Advisors
Missouri
$867K
MNBTD
170
Moody National Bank Trust Division
Texas
$849K
OC
171
Oarsman Capital
Wisconsin
$847K
COPPSERS
172
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$846K
SFS
173
Sowell Financial Services
Arkansas
$802K
N
174
Numerai
California
$785K
Thrivent Financial for Lutherans
175
Thrivent Financial for Lutherans
Minnesota
$761K