Parallax Volatility Advisers, L.P.

Position in AON — Aon plc

CIK 1521001 San Francisco, CA

Back to AON Full portfolio

Position in AON

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

-$817,278 QoQ

Shares Held

-100.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

21 quarters on record

Common Shares in AON Over Time

Shares Held

Position Value (USD)

Derivatives in AON

reported options exposure · as of Jun 30, 2026

CallValue

$3,316,900

CallShares

10,000

PutValue

$829,225

PutShares

2,500

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

Parallax Volatility Advisers, L.P. holds $50,964 across 1 Insurance Brokers name.

#	Ticker	Company	Shares	Value (USD)	Open
1	AJG	Arthur J. Gallagher & Co.	222	$50,964

All Filings in AON

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46 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$829,225	2,500	0.0%	Put	Sole	2026-08-14
2026-06-30	$3,316,900	10,000	-77.8%	Call	Sole	2026-08-14
2026-03-31	$806,950	2,500	-91.7%	Put	Sole	2026-05-15
2026-03-31	$817,278	2,532	+253100.0%	Shares	Sole	2026-05-15
2025-03-31	$17,959,050	45,000	-43.8%	Call	Sole	2025-05-15
2024-12-31	$359	1	-97.4%	Shares	Sole	2025-02-14
2024-12-31	$28,732,800	80,000	+128.6%	Call	Sole	2025-02-14
2024-12-31	$10,774,800	30,000	+1664.7%	Put	Sole	2025-02-14
2024-09-30	$12,109,650	35,000	+1300.0%	Call	Sole	2024-11-14
2024-03-31	$567,324	1,700	-90.4%	Put	Sole	2024-05-15
2024-03-31	$12,681	38	-95.5%	Shares	Sole	2024-05-15
2023-12-31	$727,550	2,500	-16.7%	Call	Sole	2024-02-14
2023-12-31	$5,151,054	17,700	-6.3%	Put	Sole	2024-02-14
2023-09-30	$6,127,758	18,900	+13.2%	Put	Sole	2023-11-14
2023-09-30	$972,660	3,000	+20.0%	Call	Sole	2023-11-14
2023-06-30	$863,000	2,500	-13.8%	Call	Sole	2023-08-14
2023-06-30	$5,764,840	16,700	+1.8%	Put	Sole	2023-08-14
2023-03-31	$267,365	848	-87.2%	Shares	Sole	2023-05-15
2023-03-31	$914,341	2,900	-6.5%	Call	Sole	2023-05-15
2023-03-31	$5,170,756	16,400	+42.6%	Put	Sole	2023-05-15
2022-12-31	$1,994,430	6,645	+310.4%	Shares	Sole	2023-02-27
2022-12-31	$3,451,610	11,500	-10.2%	Put	Sole	2023-02-27
2022-09-30	$3,428,736	12,800	+1.6%	Put	Sole	2022-11-21
2022-09-30	$830,397	3,100	-49.2%	Call	Sole	2022-11-21
2022-06-30	$3,397,968	12,600	+320.0%	Put	Sole	2022-08-17
2022-03-31	$527,194	1,619	-54.6%	Shares	Sole	2022-05-16
2022-03-31	$976,890	3,000	-66.7%	Put	Sole	2022-05-16
2021-12-31	$2,705,040	9,000	-69.9%	Put	Sole	2022-02-14
2021-12-31	$1,071,796	3,566	-80.5%	Shares	Sole	2022-02-14
2021-09-30	$5,215,016	18,249	+431.1%	Shares	Sole	2021-11-15
2021-09-30	$8,544,523	29,900	-26.2%	Put	Sole	2021-11-15
2021-06-30	$1,456,436	6,100	-87.6%	Call	Sole	2021-08-16
2021-06-30	$9,669,780	40,500	-38.2%	Put	Sole	2021-08-16
2021-06-30	$820,379	3,436	+8.4%	Shares	Sole	2021-08-16
2021-03-31	$729,448	3,170	-95.8%	Shares	Sole	2021-05-14
2021-03-31	$15,072,205	65,500	-33.8%	Put	Sole	2021-05-14
2021-03-31	$11,275,390	49,000	-57.9%	Call	Sole	2021-05-14
2020-12-31	$16,134,901	76,371	+200.7%	Shares	Sole	2021-02-16
2020-12-31	$20,894,603	98,900	+44.4%	Put	Sole	2021-02-16
2020-12-31	$24,591,828	116,400	-10.7%	Call	Sole	2021-02-16
2020-09-30	$14,131,550	68,500	+181.9%	Put	Sole	2020-11-13
2020-09-30	$26,880,890	130,300	+44.9%	Call	Sole	2020-11-13
2020-09-30	$5,238,988	25,395	+274.8%	Shares	Sole	2020-11-13
2020-06-30	$1,304,865	6,775	—	Shares	Sole	2020-08-14
2020-06-30	$4,680,180	24,300	—	Put	Sole	2020-08-14
2020-06-30	$17,314,740	89,900	—	Call	Sole	2020-08-14
No filing history on record for this holder in this stock.