Interactive Brokers
IBKR
978 hedge funds and large institutions have $24.7B invested in Interactive Brokers in 2025 Q4 according to their latest regulatory filings, with 166 funds opening new positions, 333 increasing their positions, 346 reducing their positions, and 86 closing their positions.
93% more first-time investments, than exits
New positions opened: 166 | Existing positions closed: 86
7% more funds holding
Funds holding: 911 → 978 (+67)
2% more call options, than puts
Call options by funds: $492M | Put options by funds: $483M
0.92% more ownership
Funds ownership: 85.26% → 86.18% (+0.92%)
4% less repeat investments, than reductions
Existing positions increased: 333 | Existing positions reduced: 346
6% less capital invested
Capital invested by funds: $26.2B → $24.7B (-$1.45B)
6% less funds holding in top 10
Funds holding in top 10: 35 → 33 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LCAM
London & Capital Asset Management
London,
United Kingdom
|
+$353M |
| 2 |
1832 Asset Management
Toronto,
Ontario, Canada
|
+$243M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$170M |
| 4 |
Bessemer Group
Woodbridge,
New Jersey
|
+$102M |
| 5 |
BGCP
Bristol Gate Capital Partners
Toronto,
Ontario, Canada
|
+$81.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$175M |
| 2 |
JP Morgan Chase
New York
|
-$108M |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$107M |
| 4 |
Citigroup
New York
|
-$96.4M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
-$95M |
IBKR Hedge Fund Activity: Q4 2025 in Review
978 of the 8,265 institutional investors tracked by Wall St. Rank reported a position in Interactive Brokers (IBKR) for Q4 2025, worth a combined $24.7B — down 5.5% from $26.2B a quarter earlier.
Buyers outnumbered sellers: 166 funds opened new IBKR positions and 86 closed out — a net gain of 80 holders — while 333 added to existing stakes and 346 trimmed.
The largest buyer was London & Capital Asset Management, adding an estimated $353M. The largest seller was Wellington Management Group, cutting an estimated $175M.
- 978 institutional investors held Interactive Brokers (IBKR) as of Q4 2025, up from 911 in Q3 2025.
- Funds reported $24.7B of Interactive Brokers stock for Q4 2025, down 5.5% quarter-over-quarter.
- 166 funds opened new Interactive Brokers positions in Q4 2025 and 86 closed out, a net change of +80 holders.
- The largest Interactive Brokers buyer in Q4 2025 was London & Capital Asset Management, an estimated $353M added.
- The largest Interactive Brokers seller in Q4 2025 was Wellington Management Group, an estimated $175M sold.
Based on aggregated 13F filings for Q4 2025.