Question 1

How many shares of MPTI does GAMCO INVESTORS, INC. ET AL own?

Accepted Answer

As of 2026-Q2, GAMCO INVESTORS, INC. ET AL holds 201,280 shares of MPTI (M-TRON INDS INC).

Question 2

What is GAMCO INVESTORS, INC. ET AL's MPTI position worth?

Accepted Answer

As of 2026-Q2, GAMCO INVESTORS, INC. ET AL's MPTI position is worth $20M.

Question 3

Is GAMCO INVESTORS, INC. ET AL buying or selling MPTI?

Accepted Answer

In 2026-Q2, GAMCO INVESTORS, INC. ET AL increased their MPTI position (+19.5% change in shares).

Question 4

When did GAMCO INVESTORS, INC. ET AL first buy MPTI?

Accepted Answer

Based on available 13F filings, GAMCO INVESTORS, INC. ET AL first reported a position in MPTI in 2022-Q4. They have held the position across 15 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	201,280	+19.5%	$20M	0.2%	$99.15	40
2026-Q1	Decreased	168,400	-3.4%	$11.3M	0.1%	$65.50	0
2025-Q4	Increased	174,260	+23.1%	$9.3M	0.1%	$52.99	33
2025-Q3	Decreased	141,500	-2.1%	$7.9M	0.1%	$53.10	0
2025-Q2	Decreased	144,500	-2.6%	$6.1M	0.1%	$41.59	0
2025-Q1	Decreased	148,300	-4.1%	$6.6M	0.1%	$43.04	0
2024-Q4	Decreased	154,700	-9.6%	$7.5M	0.1%	$48.73	0
2024-Q3	Decreased	171,200	-8.6%	$7.1M	0.1%	$41.02	0
2024-Q2	Decreased	187,400	-1.4%	$6.6M	0.1%	$35.21	0
2024-Q1	Decreased	190,000	-5.0%	$5.7M	0.1%	$30.00	0
2023-Q4	Decreased	200,000	-23.1%	$7.1M	0.1%	$35.70	0
2023-Q3	Decreased	260,000	-4.0%	$4.6M	0.1%	$17.69	0
2023-Q2	Increased	270,968	+13.6%	$3M	0.0%	$10.90	30
2023-Q1	Unchanged	238,468	0.0%	$2.6M	0.0%	$10.00	0
2022-Q4	New	238,468	-	$2.1M	0.0%	$8.75	36

MPTI15 quarters

MPTI
15 quarters