CITADEL ADVISORS LLC

Position in TUSK — Mammoth Energy Services, Inc.

CIK 1423053 MIAMI, FL

Back to TUSK Full portfolio

Position in TUSK

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

Position Value

$811,849

+$404,644 QoQ

Shares Held

331,367

+50.5% QoQ

Ownership

0.688%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

19 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in TUSK Over Time

Shares Held

Position Value (USD)

Derivatives in TUSK

reported options exposure · as of Mar 31, 2026

CallValue

CallShares

PutValue

$25,970

PutShares

10,600

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 Conglomerates

Industrials · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $381,591,154 across 21 Conglomerates names. TUSK ranks #15 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MMM	3M Co	1,321,071	$191,859,140
2	HON	Honeywell International Inc	521,906	$123,719,382
3	VMI	Valmont Industries Inc	31,354	$12,528,117
4	SEB	Seaboard Corp /De/	1,848	$10,448,628
5	GHC	Graham Holdings Co	8,985	$9,499,480
6	PAM	Pampa Energy Inc.	90,913	$8,045,800
7	TTI	Tetra Technologies Inc	849,841	$7,240,644
8	OTTR	Otter Tail Corp	51,202	$4,493,999

All Filings in TUSK

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43 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$811,849	331,367	+3026.1%	Shares	Defined	2026-05-15
2026-03-31	$25,970	10,600	-95.2%	Put	Defined	2026-05-15
2025-12-31	$407,205	220,111	-18.0%	Shares	Defined	2026-02-17
2025-09-30	$614,440	268,315	+1061.5%	Shares	Defined	2025-11-14
2025-09-30	$52,899	23,100	-84.2%	Put	Defined	2025-11-14
2025-06-30	$410,148	146,482	+1009.7%	Shares	Defined	2025-08-14
2025-06-30	$36,960	13,200	+594.7%	Put	Defined	2025-08-14
2025-03-31	$3,876	1,900	-99.0%	Put	Defined	2025-05-15
2025-03-31	$375,504	184,071	+91935.5%	Shares	Defined	2025-05-15
2025-03-31	$408	200	0.0%	Call	Defined	2025-05-15
2024-12-31	$600	200	0.0%	Put	Defined	2025-02-14
2024-12-31	$600	200	-98.9%	Call	Defined	2025-02-14
2024-12-31	$53,595	17,865	-72.6%	Shares	Defined	2025-02-14
2024-09-30	$267,036	65,290	+970.3%	Shares	Defined	2024-11-14
2024-09-30	$24,949	6,100	+369.2%	Call	Defined	2024-11-14
2024-09-30	$5,317	1,300	-85.5%	Put	Defined	2024-11-14
2024-06-30	$29,493	8,992	-21.1%	Shares	Defined	2024-08-14
2024-06-30	$37,392	11,400	+356.0%	Call	Defined	2024-08-14
2024-06-30	$8,200	2,500	-26.5%	Put	Defined	2024-08-14
2024-03-31	$12,376	3,400	-85.1%	Put	Defined	2024-05-15
2024-03-31	$82,992	22,800	-32.7%	Call	Defined	2024-05-15
2023-12-31	$151,194	33,900	+329.1%	Call	Defined	2024-02-14
2023-12-31	$35,234	7,900	+393.8%	Put	Defined	2024-02-14
2023-09-30	$7,424	1,600	+180.2%	Put	Defined	2023-11-14
2023-09-30	$2,649	571	-97.3%	Shares	Defined	2023-11-14
2023-09-30	$96,512	20,800	-20.3%	Call	Defined	2023-11-14
2023-06-30	$126,063	26,100	+304.7%	Call	Defined	2023-08-14
2023-06-30	$31,148	6,449	+21.7%	Shares	Defined	2023-08-14
2023-06-30	$25,599	5,300	-76.3%	Put	Defined	2023-08-14
2023-03-31	$94,528	22,400	-66.4%	Call	Defined	2023-05-15
2023-03-31	$281,583	66,726	-32.7%	Shares	Defined	2023-05-15
2023-03-31	$418,624	99,200	+785.7%	Put	Defined	2023-05-15
2022-12-31	$96,880	11,200	-64.2%	Call	Defined	2023-02-14
2022-12-31	$270,745	31,300	-31.6%	Put	Defined	2023-02-14
2022-12-31	$396,100	45,792	-8.2%	Shares	Defined	2023-02-14
2022-09-30	$170,093	49,881	+357.6%	Shares	Defined	2022-11-14
2022-09-30	$37,169	10,900	-42.5%	Call	Defined	2022-11-14
2022-06-30	$41,738	18,972	-1.7%	Shares	Defined	2022-08-15
2022-06-30	$42,460	19,300	+21.4%	Call	Defined	2022-08-15
2021-03-31	$84,588	15,900	-60.8%	Call	Defined	2021-05-21
2021-03-31	$215,997	40,601	+89.7%	Shares	Defined	2021-05-21
2020-12-31	$95,264	21,408	+46.5%	Shares	Defined	2021-02-16
2020-03-31	$10,946	14,616	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.