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912 hedge funds and large institutions have $51.2B invested in Aon in 2021 Q1 according to their latest regulatory filings, with 116 funds opening new positions, 320 increasing their positions, 323 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

142% more call options, than puts

Call options by funds: $280M | Put options by funds: $116M

115% more first-time investments, than exits

New positions opened: 116 | Existing positions closed: 54

36% more funds holding in top 10

Funds holding in top 10: 2838 (+10)

9% more capital invested

Capital invested by funds: $47B → $51.2B (+$4.23B)

6% more funds holding

Funds holding: 857912 (+55)

1.16% more ownership

Funds ownership: 97.47%98.63% (+1.2%)

1% less repeat investments, than reductions

Existing positions increased: 320 | Existing positions reduced: 323

Holders
912
Holders Change
+55
Holders Change %
+6.42%
% of All Funds
16.01%
Holding in Top 10
38
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+35.71%
% of All Funds
0.67%
New
116
Increased
320
Reduced
323
Closed
54
Calls
$280M
Puts
$116M
Net Calls
+$165M
Net Calls Change
+$64.4M
Name Holding Trade Value Shares
Change
Change in
Stake
UIM
76
USS Investment Management
United Kingdom
$119M -$4.18M -18,984 -4%
FCM
77
Frontier Capital Management
Massachusetts
$113M -$4.89M -22,222 -4%
Millennium Management
78
Millennium Management
New York
$113M +$34.5M +156,628 +47%
Kovitz Investment Group Partners
79
Kovitz Investment Group Partners
Illinois
$108M -$4.52M -20,555 -4%
Swedbank
80
Swedbank
Sweden
$104M +$99.1M +450,368 New
RC
81
Rivulet Capital
New Jersey
$104M +$99.1M +450,100 New
MC
82
Maverick Capital
Texas
$101M +$96.5M +438,177 +37,197%
APG Asset Management
83
APG Asset Management
Netherlands
$98.4M -$14M -63,593 -11%
Wells Fargo
84
Wells Fargo
California
$97.7M -$28.6M -130,056 -23%
WIM
85
Weitz Investment Management
Nebraska
$97.3M +$12.4M +56,300 +15%
NC
86
Nicholas Company
Wisconsin
$95.8M
Natixis Advisors
87
Natixis Advisors
Massachusetts
$95M +$2.08M +9,442 +2%
CII
88
Capital International Inc
California
$92.4M -$10.4M -47,257 -11%
PCH
89
Polar Capital Holdings
United Kingdom
$91.5M
Russell Investments Group
90
Russell Investments Group
United Kingdom
$89.9M +$84.3K +383 +0.1%
Norges Bank
91
Norges Bank
Norway
$88M -$25.7M -116,574 -23%
California State Teachers Retirement System (CalSTRS)
92
California State Teachers Retirement System (CalSTRS)
California
$85.9M -$2.5M -11,371 -3%
RhumbLine Advisers
93
RhumbLine Advisers
Massachusetts
$84.7M -$5.7M -25,893 -7%
Citadel Advisors
94
Citadel Advisors
Florida
$82.6M -$17M -77,267 -18%
AllianceBernstein
95
AllianceBernstein
Tennessee
$82.3M +$3.42M +15,550 +5%
ACM
96
Atlanta Capital Management
Georgia
$81.6M -$4.53M -20,577 -5%
Marshall Wace
97
Marshall Wace
United Kingdom
$79.4M +$75.9M +344,899 New
DC
98
Davenport & Co
Virginia
$77.5M +$15.2M +69,207 +26%
ACM
99
Alua Capital Management
New York
$74.7M +$71.5M +324,800 New
DWA
100
Douglass Winthrop Advisors
New York
$72.2M +$21.7M +98,600 +46%

AON Hedge Fund Activity: Q1 2021 in Review

912 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Aon (AON) for Q1 2021, worth a combined $51.2B — up 9% from $47B a quarter earlier.

Buyers outnumbered sellers: 116 funds opened new AON positions and 54 closed out — a net gain of 62 holders — while 320 added to existing stakes and 323 trimmed.

The largest buyer was Berkshire Hathaway, opening a new position worth an estimated $902M. The largest seller was Capital World Investors, cutting an estimated $1.12B.

  • 912 institutional investors held Aon (AON) as of Q1 2021, up from 857 in Q4 2020.
  • Funds reported $51.2B of Aon stock for Q1 2021, up 9% quarter-over-quarter.
  • 116 funds opened new Aon positions in Q1 2021 and 54 closed out, a net change of +62 holders.
  • The largest Aon buyer in Q1 2021 was Berkshire Hathaway, an estimated $902M added.
  • The largest Aon seller in Q1 2021 was Capital World Investors, an estimated $1.12B sold.

Based on aggregated 13F filings for Q1 2021.