RHUMBLINE ADVISERS

Position in TUSK — Mammoth Energy Services, Inc.

CIK 1115418 BOSTON, MA

Position in TUSK

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$80,514

+$20,125 QoQ

Shares Held

32,863

+0.7% QoQ

Ownership

0.068%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

13 quarters on record

Voting authority Sole 28.305389039345158.ToString("F0")% Shared 0.ToString("F0")% None 71.69461096065484.ToString("F0")%

Industrials · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $458,739,083 across 21 Conglomerates names. TUSK ranks #21 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HON	Honeywell International Inc	1,060,135	$251,308,182
2	MMM	3M Co	1,043,585	$151,559,849
3	VMI	Valmont Industries Inc	51,551	$20,598,233
4	GHC	Graham Holdings Co	10,212	$10,796,739
5	OTTR	Otter Tail Corp	98,929	$8,682,998
6	DLX	Deluxe Corp	129,179	$3,557,589
7	SEB	Seaboard Corp /De/	466	$2,634,773
8	MATW	Matthews International Corp	92,243	$2,381,714

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$80,514	32,863	+0.7%	Shares	Sole	2026-05-12
2025-12-31	$60,389	32,643	-6.1%	Shares	Sole	2026-02-13
2025-09-30	$79,648	34,781	+9.4%	Shares	Sole	2025-11-06
2025-06-30	$89,051	31,804	+32.3%	Shares	Sole	2025-08-12
2025-03-31	$49,055	24,047	-2.0%	Shares	Sole	2025-05-29
2024-12-31	$73,602	24,534	-2.2%	Shares	Sole	2025-05-29
2024-09-30	$102,642	25,096	-9.7%	Shares	Sole	2024-11-12
2024-06-30	$91,115	27,779	+4.1%	Shares	Sole	2024-08-01
2024-03-31	$97,118	26,681	+1.9%	Shares	Sole	2024-05-09
2023-12-31	$116,740	26,175	+0.8%	Shares	Sole	2024-02-08
2023-09-30	$120,440	25,957	+4.9%	Shares	Sole	2023-11-09
2023-06-30	$119,494	24,740	+16.9%	Shares	Sole	2023-08-08
2020-03-31	$15,853	21,166	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.