Olin
422 hedge funds and large institutions have $3.35B invested in Olin in 2026 Q1 according to their latest regulatory filings, with 111 funds opening new positions, 149 increasing their positions, 85 reducing their positions, and 59 closing their positions.
239% more call options, than puts
Call options by funds: $91M | Put options by funds: $26.8M
150% more funds holding in top 10
Funds holding in top 10: 2 → 5 (+3)
88% more first-time investments, than exits
New positions opened: 111 | Existing positions closed: 59
75% more repeat investments, than reductions
Existing positions increased: 149 | Existing positions reduced: 85
51% more capital invested
Capital invested by funds: $2.21B → $3.35B (+$1.13B)
12% more funds holding
Funds holding: 378 → 422 (+44)
5.83% more ownership
Funds ownership: 93.06% → 98.89% (+5.8%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$58.4M |
| 2 |
Two Sigma Investments
New York
|
+$29.2M |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
+$25.2M |
| 4 |
Millennium Management
New York
|
+$25.2M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$19.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
-$79.2M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$26.8M |
| 3 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$21.2M |
| 4 |
Voloridge Investment Management
Jupiter,
Florida
|
-$16.6M |
| 5 |
MCM
Masters Capital Management
Atlanta,
Georgia
|
-$14.6M |
OLN Hedge Fund Activity: Q1 2026 in Review
422 of the 8,186 institutional investors tracked by Wall St. Rank reported a position in Olin (OLN) for Q1 2026, worth a combined $3.35B — up 51% from $2.21B a quarter earlier.
Buyers outnumbered sellers: 111 funds opened new OLN positions and 59 closed out — a net gain of 52 holders — while 149 added to existing stakes and 85 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $58.4M. The largest seller was Orbis Allan Gray, exiting entirely with an estimated $79.2M sold.
- 422 institutional investors held Olin (OLN) as of Q1 2026, up from 378 in Q4 2025.
- Funds reported $3.35B of Olin stock for Q1 2026, up 51% quarter-over-quarter.
- 111 funds opened new Olin positions in Q1 2026 and 59 closed out, a net change of +52 holders.
- The largest Olin buyer in Q1 2026 was Goldman Sachs, an estimated $58.4M added.
- The largest Olin seller in Q1 2026 was Orbis Allan Gray, an estimated $79.2M sold.
Based on aggregated 13F filings for Q1 2026.