Olin
352 hedge funds and large institutions have $2.1B invested in Olin in 2025 Q2 according to their latest regulatory filings, with 58 funds opening new positions, 126 increasing their positions, 119 reducing their positions, and 57 closing their positions.
48% more call options, than puts
Call options by funds: $16.1M | Put options by funds: $10.8M
2.84% more ownership
Funds ownership: 87.6% → 90.44% (+2.8%)
6% more repeat investments, than reductions
Existing positions increased: 126 | Existing positions reduced: 119
2% more first-time investments, than exits
New positions opened: 58 | Existing positions closed: 57
1% less funds holding
Funds holding: 354 → 352 (-2)
14% less capital invested
Capital invested by funds: $2.45B → $2.1B (-$348M)
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ICP
Ilex Capital Partners
London,
United Kingdom
|
+$52.2M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$26.1M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$16M |
| 4 |
WP
Woodline Partners
San Francisco,
California
|
+$15.6M |
| 5 |
Prudential Financial
Newark,
New Jersey
|
+$12M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$40.1M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$25.2M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$14.3M |
| 4 |
Verition Fund Management
Greenwich,
Connecticut
|
-$13.6M |
| 5 |
JP Morgan Chase
New York
|
-$11.5M |
OLN Hedge Fund Activity: Q2 2025 in Review
352 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Olin (OLN) for Q2 2025, worth a combined $2.1B — down 14% from $2.45B a quarter earlier.
Buyers outnumbered sellers: 58 funds opened new OLN positions and 57 closed out — a net gain of 1 holder — while 126 added to existing stakes and 119 trimmed.
The largest buyer was Ilex Capital Partners, opening a new position worth an estimated $52.2M. The largest seller was Millennium Management, cutting an estimated $40.1M.
- 352 institutional investors held Olin (OLN) as of Q2 2025, down from 354 in Q1 2025.
- Funds reported $2.1B of Olin stock for Q2 2025, down 14% quarter-over-quarter.
- 58 funds opened new Olin positions in Q2 2025 and 57 closed out, a net change of +1 holder.
- The largest Olin buyer in Q2 2025 was Ilex Capital Partners, an estimated $52.2M added.
- The largest Olin seller in Q2 2025 was Millennium Management, an estimated $40.1M sold.
Based on aggregated 13F filings for Q2 2025.