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Equibles

CITADEL ADVISORS LLC

Position in AON — Aon plc

CIK 1423053 MIAMI, FL
Back to AON Full portfolio

Position in AON

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$25,919,233
-$130,154,649 QoQ
Shares Held
80,300
-81.8% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Derivatives in AON

reported options exposure · as of Mar 31, 2026
CallValue
$14,266,876
CallShares
44,200
PutValue
$2,711,352
PutShares
8,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Insurance Brokers

Financial Services · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $479,024,060 across 14 Insurance Brokers names. AON ranks #4 (5.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WTW
Willis Towers Watson PLC
 574,298 $166,948,428
2 AJG
Arthur J. Gallagher & Co.
 762,692 $165,183,833
3 BRO
Brown & Brown, Inc.
 986,733 $64,344,858
4 AON
Aon plc
This page 		80,300 $25,919,233
5 MRSH
Marsh & Mclennan Companies, Inc.
 136,487 $23,673,670
6 ARX
Accelerant Holdings
 1,144,206 $15,286,591
7 ERIE
Erie Indemnity Co
 24,949 $6,269,933
8 LIFE
Ethos Technologies Inc.
 390,000 $4,356,300

All Filings in AON

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $14,266,876 44,200
2026-03-31 $2,711,352 8,400
2026-03-31 $25,919,233 80,300
2025-12-31 $156,073,882 442,286
2025-12-31 $12,774,256 36,200
2025-12-31 $3,528,800 10,000
2025-09-30 $9,627,660 27,000
2025-09-30 $323,639,139 907,620
2025-09-30 $74,311,272 208,400
2025-06-30 $28,897,560 81,000
2025-06-30 $12,772,008 35,800
2025-06-30 $46,194,711 129,484
2025-03-31 $40,667,271 101,900
2025-03-31 $112,822,343 282,699
2025-03-31 $15,843,873 39,700
2024-12-31 $9,697,320 27,000
2024-12-31 $49,851,408 138,800
2024-12-31 $17,850,252 49,700
2024-09-30 $53,590,736 154,891
2024-09-30 $64,803,927 187,300
2024-09-30 $20,067,420 58,000
2024-06-30 $32,264,442 109,900
2024-06-30 $7,633,080 26,000
2024-06-30 $43,430,756 147,935
2024-03-31 $28,132,596 84,300
2024-03-31 $32,430,241 97,178
2024-03-31 $31,269,564 93,700
2023-12-31 $16,180,712 55,600
2023-12-31 $25,988,086 89,300
2023-12-31 $68,503,779 235,392
2023-09-30 $36,377,484 112,200
2023-09-30 $35,160,037 108,445
2023-09-30 $30,282,148 93,400
2023-06-30 $28,962,280 83,900
2023-06-30 $42,114,400 122,000
2023-03-31 $34,997,190 111,000
2023-03-31 $23,685,530 75,123
2023-03-31 $25,475,432 80,800
2022-12-31 $52,606,137 175,272
2022-12-31 $49,763,212 165,800
2022-12-31 $47,962,372 159,800
2022-09-30 $45,261,458 168,968
2022-09-30 $33,858,768 126,400
2022-09-30 $57,565,263 214,900
2022-06-30 $17,610,104 65,300
2022-06-30 $37,836,104 140,300
2022-06-30 $488,390 1,811
2022-03-31 $10,563,437 32,440
2022-03-31 $7,456,927 22,900
2022-03-31 $9,150,203 28,100

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