Olin
OLN
414 hedge funds and large institutions have $2.26B invested in Olin in 2026 Q2 according to their latest regulatory filings, with 72 funds opening new positions, 142 increasing their positions, 125 reducing their positions, and 74 closing their positions.
147% more call options, than puts
Call options by funds: $41.2M | Put options by funds: $16.6M
14% more repeat investments, than reductions
Existing positions increased: 142 | Existing positions reduced: 125
0.94% more ownership
Funds ownership: 98.89% → 99.83% (+0.94%)
3% less first-time investments, than exits
New positions opened: 72 | Existing positions closed: 74
2% less funds holding
Funds holding: 422 → 414 (-8)
33% less capital invested
Capital invested by funds: $3.35B → $2.26B (-$1.09B)
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$114M |
| 2 |
CAPTRUST Financial Advisors
Raleigh,
North Carolina
|
+$34M |
| 3 |
Hotchkis & Wiley Capital Management
Los Angeles,
California
|
+$24.5M |
| 4 |
JP Morgan Chase
New York
|
+$19M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$15.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$25.7M |
| 2 |
Amundi
Paris,
France
|
-$20.3M |
| 3 |
WHCM
Wolf Hill Capital Management
Greenwich,
Connecticut
|
-$18.8M |
| 4 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$18.7M |
| 5 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$18.5M |
OLN Hedge Fund Activity: Q2 2026 in Review
414 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Olin (OLN) for Q2 2026, worth a combined $2.26B — down 33% from $3.35B a quarter earlier.
Sellers outnumbered buyers: 74 funds closed out of OLN and 72 opened new positions — a net loss of 2 holders — while 125 trimmed existing stakes and 142 added.
The largest buyer was AQR Capital Management, adding an estimated $114M. The largest seller was Millennium Management, cutting an estimated $25.7M.
- 414 institutional investors held Olin (OLN) as of Q2 2026, down from 422 in Q1 2026.
- Funds reported $2.26B of Olin stock for Q2 2026, down 33% quarter-over-quarter.
- 72 funds opened new Olin positions in Q2 2026 and 74 closed out, a net change of -2 holders.
- The largest Olin buyer in Q2 2026 was AQR Capital Management, an estimated $114M added.
- The largest Olin seller in Q2 2026 was Millennium Management, an estimated $25.7M sold.
Based on aggregated 13F filings for Q2 2026.