Question 1

Does Marshall Wace own TUSK stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Marshall Wace holds 395,583 shares of TUSK (Mammoth Energy Services), worth $1.3M.

Question 2

How many shares of TUSK does Marshall Wace own?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace holds 395,583 shares of TUSK (Mammoth Energy Services).

Question 3

What is Marshall Wace's TUSK position worth?

Accepted Answer

As of its Q2 2026 13F, Marshall Wace's TUSK position is worth $1.3M.

Question 4

Is Marshall Wace buying or selling TUSK?

Accepted Answer

In Q2 2026, Marshall Wace opened a new TUSK position of 395,583 shares.

Question 5

When did Marshall Wace first buy TUSK?

Accepted Answer

Marshall Wace already held TUSK in its Q4 2018 13F, the earliest on record, and has listed it in 12 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	New	395,583	—	$1.3M	0.0%	$3.25	35
2026-Q1	Exited	0	-100.0%	$0	0.0%	$2.45	0
2025-Q4	Decreased	30,801	-30.8%	$56,982	0.0%	$1.85	0
2025-Q3	Decreased	44,517	-22.5%	$101,943	0.0%	$2.29	0
2025-Q2	New	57,436	—	$160,821	0.0%	$2.80	31
2025-Q1	Exited	0	-100.0%	$0	0.0%	$2.04	0
2024-Q4	New	14,163	—	$42,489	0.0%	$3.00	28