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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 Jun 30, 2026 · filed Aug 14, 2026
Position Value
$35,016,181
+$9,096,948 QoQ
Shares Held
105,569
+31.5% QoQ
Ownership
0.050%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#152
of 1,252 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Derivatives in AON

reported options exposure · as of Jun 30, 2026
CallValue
$16,518,162
CallShares
49,800
PutValue
$5,406,547
PutShares
16,300

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 Jun 30, 2026

CITADEL ADVISORS LLC holds $286,131,173 across 14 Insurance Brokers names. AON ranks #4 (12.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WTW
Willis Towers Watson PLC
 382,807 $100,054,264
2 BRO
Brown & Brown, Inc.
 675,291 $43,319,917
3 MRSH
Marsh & Mclennan Companies, Inc.
 230,808 $38,468,768
4 AON
Aon plc
This page 		105,569 $35,016,181
5 AJG
Arthur J. Gallagher & Co.
 110,798 $25,435,896
6 ARX
Accelerant Holdings
 1,747,985 $20,486,384
7 ERIE
Erie Indemnity Co
 57,083 $13,685,649
8 TWFG
TWFG, Inc.
 214,589 $5,160,864

All Filings in AON

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,518,162 49,800
2026-06-30 $5,406,547 16,300
2026-06-30 $35,016,181 105,569
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

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