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Interactive Brokers
IBKR

319 hedge funds and large institutions have $5.27B invested in Interactive Brokers in 2021 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 134 increasing their positions, 84 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

60% more repeat investments, than reductions

Existing positions increased: 134 | Existing positions reduced: 84

5.05% more ownership

Funds ownership: 348.76% → 353.81% (+5.1%)

0% more first-time investments, than exits

New positions opened: 46 | Existing positions closed: 46

0% less funds holding

Funds holding: 320 → 319 (-1)

9% less capital invested

Capital invested by funds: $5.77B → $5.27B (-$504M)

18% less funds holding in top 10

Funds holding in top 10: 11 → 9 (-2)

58% less call options, than puts

Call options by funds: $44.9M | Put options by funds: $107M

Holders
319
Holders Change
-1
Holders Change %
-0.31%
% of All Funds
5.55%
Holding in Top 10
9
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-18.18%
% of All Funds
0.16%
New
46
Increased
134
Reduced
84
Closed
46
Calls
$44.9M
Puts
$107M
Net Calls
-$61.6M
Net Calls Change
-$5.87M

Top Buyers

1
Select Equity Group
Select Equity Group
New York
+$134M
2
Millennium Management
Millennium Management
New York
+$48.1M
3
Marshall Wace
Marshall Wace
United Kingdom
+$47M
4
MWA
Marshall Wace Asia
Hong Kong
+$40.2M
5
Bank of Montreal
Bank of Montreal
Ontario, Canada
+$37.3M

Top Sellers

1
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
-$300M
2
SC
Samlyn Capital
New York
-$111M
3
GWM
Greenwich Wealth Management
Connecticut
-$87.3M
4
Mitsubishi UFJ Trust & Banking
Mitsubishi UFJ Trust & Banking
Japan
-$43M
5
PI
Putnam Investments
Massachusetts
-$40.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
Kayne Anderson Rudnick Investment Management
1
Kayne Anderson Rudnick Investment Management
California
$575M +$24.8M +1,432,516 +4%
GWM
2
Greenwich Wealth Management
Connecticut
$494M -$87.3M -5,046,916 -14%
BlackRock
3
BlackRock
New York
$480M +$30.9M +1,784,816 +7%
Vanguard Group
4
Vanguard Group
Pennsylvania
$477M +$19.7M +1,136,008 +4%
BCM
5
Bares Capital Management
Texas
$335M -$23.7M -1,368,624 -6%
Select Equity Group
6
Select Equity Group
New York
$283M +$134M +7,769,148 +82%
CCM
7
Cantillon Capital Management
New York
$155M -$2.64M -152,848 -2%
State Street
8
State Street
Massachusetts
$134M +$16.7M +965,492 +13%
JFL
9
Jarislowsky, Fraser Ltd
Quebec, Canada
$115M +$9.28M +536,092 +8%
AA
10
Ancient Art
Texas
$114M -$3.62M -209,520 -3%
Goldman Sachs
11
Goldman Sachs
New York
$91M +$36.5M +2,107,684 +61%
Marshall Wace
12
Marshall Wace
United Kingdom
$88.6M +$47M +2,718,800 +102%
Renaissance Technologies
13
Renaissance Technologies
New York
$71.4M +$31.1M +1,797,832 +71%
Millennium Management
14
Millennium Management
New York
$70.7M +$48.1M +2,780,676 +183%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$67.5M +$4.09M +236,140 +6%
1832 Asset Management
16
1832 Asset Management
Ontario, Canada
$66.3M +$11.4M +661,332 +20%
MWA
17
Marshall Wace Asia
Hong Kong
$65.4M +$40.2M +2,325,696 +141%
TP
18
Thunderbird Partners
United Kingdom
$58.5M -$18.2M -1,049,956 -23%
BCM
19
Bronte Capital Management
Australia
$56M -$124K -7,156 -0.2%
Wells Fargo
20
Wells Fargo
California
$52.8M -$23.6M -1,363,744 -30%
AP
21
Antipodes Partners
Australia
$51.4M -$8.79M -507,860 -14%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$50.3M +$1.16M +67,188 +2%
Norges Bank
23
Norges Bank
Norway
$46M -$2.26M -130,740 -4%
Northern Trust
24
Northern Trust
Illinois
$43.1M +$355K +20,520 +0.8%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$42.3M +$14.1M +812,764 +46%
1
2 3 4 5

IBKR Hedge Fund Activity: Q2 2021 in Review

319 of the 5,745 institutional investors tracked by Wall St. Rank reported a position in Interactive Brokers (IBKR) for Q2 2021, worth a combined $5.27B — down 8.7% from $5.77B a quarter earlier.

Fund positioning in IBKR was balanced in Q2 2021: 46 funds opened new positions, 46 closed out, 134 added to existing stakes and 84 trimmed.

The largest buyer was Select Equity Group, adding an estimated $134M. The largest seller was Baillie Gifford & Co, exiting entirely with an estimated $300M sold.

  • 319 institutional investors held Interactive Brokers (IBKR) as of Q2 2021, down from 320 in Q1 2021.
  • Funds reported $5.27B of Interactive Brokers stock for Q2 2021, down 8.7% quarter-over-quarter.
  • 46 funds opened new Interactive Brokers positions in Q2 2021 and 46 closed out, a net change of 0 holders.
  • The largest Interactive Brokers buyer in Q2 2021 was Select Equity Group, an estimated $134M added.
  • The largest Interactive Brokers seller in Q2 2021 was Baillie Gifford & Co, an estimated $300M sold.

Based on aggregated 13F filings for Q2 2021.