CITADEL ADVISORS LLC

Position in CTOS — Custom Truck One Source, Inc.

CIK 1423053 MIAMI, FL

Back to CTOS Full portfolio

Position in CTOS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$1,841,971

+$1,474,443 QoQ

Shares Held

280,361

+339.4% QoQ

Ownership

0.123%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

19 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in CTOS Over Time

Shares Held

Position Value (USD)

Derivatives in CTOS

reported options exposure · as of Mar 31, 2025

CallValue

$3,798

CallShares

900

PutValue

$2,110

PutShares

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 Rental & Leasing Services

Industrials · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $252,607,871 across 18 Rental & Leasing Services names. CTOS ranks #15 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	URI	United Rentals, Inc.	106,896	$77,880,149
2	EQPT	EquipmentShare.com Inc	1,956,159	$39,846,957
3	AER	AerCap Holdings N.V.	200,185	$27,461,377
4	AL	SUMISHO AIR LEASE CORP	363,462	$23,603,222
5	SUNB	Sunbelt Rentals Holdings, Inc.	281,864	$18,346,527
6	WSC	WillScot Holdings Corp	905,417	$15,718,039
7	HRI	Herc Holdings Inc	94,067	$9,364,369
8	VSTS	Vestis Corp	960,202	$7,547,187

All Filings in CTOS

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39 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,841,971	280,361	+339.4%	Shares	Defined	2026-05-15
2025-12-31	$367,528	63,807	-85.1%	Shares	Defined	2026-02-17
2025-09-30	$2,741,352	427,002	+1997.2%	Shares	Defined	2025-11-14
2025-06-30	$100,583	20,361	+3972.2%	Shares	Defined	2025-08-14
2025-03-31	$2,110	500	-99.8%	Put	Defined	2025-05-15
2025-03-31	$997,519	236,379	+26164.3%	Shares	Defined	2025-05-15
2025-03-31	$3,798	900	-76.9%	Call	Defined	2025-05-15
2024-12-31	$18,759	3,900	-49.4%	Put	Defined	2025-02-14
2024-12-31	$37,037	7,700	-99.2%	Call	Defined	2025-02-14
2024-12-31	$4,892,736	1,017,201	+6963.9%	Shares	Defined	2025-02-14
2024-09-30	$49,680	14,400	+242.9%	Call	Defined	2024-11-14
2024-09-30	$14,490	4,200	-98.9%	Put	Defined	2024-11-14
2024-09-30	$1,291,561	374,366	+41496.2%	Shares	Defined	2024-11-14
2024-03-31	$5,238	900	-76.3%	Put	Defined	2024-05-15
2024-03-31	$22,116	3,800	-76.2%	Call	Defined	2024-05-15
2024-03-31	$92,875	15,958	-87.8%	Shares	Defined	2024-05-15
2023-12-31	$811,452	131,303	+2203.6%	Shares	Defined	2024-02-14
2023-12-31	$35,226	5,700	+2750.0%	Call	Defined	2024-02-14
2023-09-30	$1,240	200	-98.8%	Put	Defined	2023-11-14
2023-09-30	$99,820	16,100	+0.6%	Call	Defined	2023-11-14
2023-06-30	$107,840	16,000	-90.3%	Call	Defined	2023-08-14
2023-06-30	$1,110,738	164,798	+27366.3%	Shares	Defined	2023-08-14
2023-06-30	$4,044	600	-96.1%	Put	Defined	2023-08-14
2023-03-31	$103,208	15,200	-97.1%	Call	Defined	2023-05-15
2023-03-31	$3,589,987	528,717	+88019.5%	Shares	Defined	2023-05-15
2023-03-31	$4,074	600	+500.0%	Put	Defined	2023-05-15
2022-12-31	$632	100	-99.3%	Put	Defined	2023-02-14
2022-12-31	$86,584	13,700	-98.9%	Call	Defined	2023-02-14
2022-12-31	$7,598,643	1,202,317	+17.0%	Shares	Defined	2023-02-14
2022-09-30	$5,989,765	1,027,404	+22.6%	Shares	Defined	2022-11-14
2022-06-30	$4,693,292	838,088	+3.2%	Shares	Defined	2022-08-15
2022-03-31	$6,812,209	811,944	+5914.4%	Shares	Defined	2022-05-16
2022-03-31	$113,265	13,500	-98.5%	Call	Defined	2022-05-16
2021-12-31	$7,439,184	929,898	+6183.1%	Shares	Defined	2022-02-14
2021-12-31	$118,400	14,800	-64.7%	Call	Defined	2022-02-14
2021-09-30	$390,927	41,900	-67.9%	Call	Defined	2021-11-15
2021-09-30	$1,219,319	130,688	+427.0%	Shares	Defined	2021-11-15
2021-06-30	$236,096	24,800	-96.5%	Call	Defined	2021-08-16
2021-06-30	$6,837,901	718,267	—	Shares	Defined	2021-08-16
No filing history on record for this holder in this stock.