RHUMBLINE ADVISERS

Position in TUSK — Mammoth Energy Services, Inc.

CIK 1115418 BOSTON, MA

Position in TUSK

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$53,979

-$26,535 QoQ

Shares Held

16,609

-49.5% QoQ

Ownership

0.035%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#54

of 94 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 25% Shared 0% None 75%

Industrials · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $320,296,507 across 19 Conglomerates names. TUSK ranks #19 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MMM	3M Co	849,784	$137,588,527
2	HON	Honeywell International Inc	526,602	$117,906,187
3	VMI	Valmont Industries Inc	50,403	$29,112,772
4	GHC	Graham Holdings Co	10,510	$11,996,324
5	OTTR	Otter Tail Corp	104,092	$9,366,198
6	DLX	Deluxe Corp	116,880	$2,791,094
7	BBUC	Brookfield Business Corp	85,355	$2,547,846
8	MATW	Matthews International Corp	77,747	$2,092,949

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$53,979	16,609	-49.5%	Shares	Sole	2026-08-12
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.