Cboe Global Markets
CBOE
988 hedge funds and large institutions have $25.7B invested in Cboe Global Markets in 2026 Q1 according to their latest regulatory filings, with 143 funds opening new positions, 381 increasing their positions, 314 reducing their positions, and 75 closing their positions.
98% more call options, than puts
Call options by funds: $305M | Put options by funds: $154M
91% more first-time investments, than exits
New positions opened: 143 | Existing positions closed: 75
40% more funds holding in top 10
Funds holding in top 10: 10 → 14 (+4)
21% more repeat investments, than reductions
Existing positions increased: 381 | Existing positions reduced: 314
13% more capital invested
Capital invested by funds: $22.8B → $25.7B (+$2.91B)
6% more funds holding
Funds holding: 935 → 988 (+53)
1.02% more ownership
Funds ownership: 86.85% → 87.86% (+1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Viking Global Investors
Stamford,
Connecticut
|
+$192M |
| 2 |
Morgan Stanley
New York
|
+$184M |
| 3 |
BlackRock
New York
|
+$171M |
| 4 |
Allianz Asset Management
Munich,
Germany
|
+$152M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$123M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$419M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$143M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
-$129M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$90.2M |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$75.4M |
CBOE Hedge Fund Activity: Q1 2026 in Review
988 of the 8,180 institutional investors tracked by Wall St. Rank reported a position in Cboe Global Markets (CBOE) for Q1 2026, worth a combined $25.7B — up 13% from $22.8B a quarter earlier.
Buyers outnumbered sellers: 143 funds opened new CBOE positions and 75 closed out — a net gain of 68 holders — while 381 added to existing stakes and 314 trimmed.
The largest buyer was Viking Global Investors, opening a new position worth an estimated $192M. The largest seller was AllianceBernstein, cutting an estimated $419M.
- 988 institutional investors held Cboe Global Markets (CBOE) as of Q1 2026, up from 935 in Q4 2025.
- Funds reported $25.7B of Cboe Global Markets stock for Q1 2026, up 13% quarter-over-quarter.
- 143 funds opened new Cboe Global Markets positions in Q1 2026 and 75 closed out, a net change of +68 holders.
- The largest Cboe Global Markets buyer in Q1 2026 was Viking Global Investors, an estimated $192M added.
- The largest Cboe Global Markets seller in Q1 2026 was AllianceBernstein, an estimated $419M sold.
Based on aggregated 13F filings for Q1 2026.