Oberweis Asset Management’s Mercury Systems MRCY Stock Holding History

Oberweis Asset Management’s Portfolio MRCY Stock Details MRCY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$48M	Buy	392,723 +1,700	+0.4%	+$162K	0.99%	22
2026 Q1	$28.5M	Sell	391,023 -23,017	-6%	-$2M	0.84%	34
2025 Q4	$30.2M	Buy	414,040 +15,540	+4%	+$1.16M	1.11%	16
2025 Q3	$30.8M	Hold	398,500	–	–	1.18%	17
2025 Q2	$21.5M	Sell	398,500 -13,800	-3%	-$672K	0.93%	29
2025 Q1	$17.8M	Buy	+412,300	New	+$18.1M	0.89%	35
2021 Q1	–	Sell	-4,790	Closed	-$422K	–	178
2020 Q4	$422K	Sell	4,790 -3,120	-39%	-$237K	0.11%	97
2020 Q3	$613K	Sell	7,910 -900	-10%	-$68.3K	0.21%	77
2020 Q2	$693K	Buy	8,810 +795	+10%	+$65.1K	0.27%	67
2020 Q1	$572K	Sell	8,015 -6,650	-45%	-$504K	0.32%	76
2019 Q4	$1.01M	Sell	14,665 -35,915	-71%	-$2.59M	0.34%	72
2019 Q3	$4.11M	Buy	+50,580	New	+$4M	0.93%	29
2017 Q1	–	Sell	-8,300	Closed	-$251K	–	147
2016 Q4	$251K	Sell	8,300 -4,600	-36%	-$131K	0.08%	118
2016 Q3	$317K	Buy	12,900 +4,600	+55%	+$110K	0.09%	115
2016 Q2	$206K	Buy	+8,300	New	+$178K	0.06%	162
2016 Q1	–	Sell	-35,200	Closed	-$646K	–	187
2015 Q4	$646K	Buy	35,200 +13,900	+65%	+$252K	0.18%	91
2015 Q3	$339K	Sell	21,300 -5,300	-20%	-$80.3K	0.1%	127
2015 Q2	$389K	Buy	26,600 +3,700	+16%	+$53.8K	0.1%	121
2015 Q1	$356K	Buy	+22,900	New	+$361K	0.1%	134

Other funds holding MRCY

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

JPM

JANA Partners Management New York $1.9B AUM 18.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

CCA

Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return

Oberweis Asset Management's MRCY Position: Q2 2026 in Review

Oberweis Asset Management increased its Mercury Systems (MRCY) stake by 0.43% in Q2 2026, buying an estimated $162K and bringing the position to 392,723 shares worth $48M. The position accounts for 0.99% of the portfolio, ranked #22.

Oberweis Asset Management first reported a position in MRCY in Q1 2015 and has held it in 19 quarters since. 393 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

Oberweis Asset Management held 392,723 shares of Mercury Systems worth $48M as of Q2 2026.
Oberweis Asset Management bought 1,700 Mercury Systems shares in Q2 2026, an estimated $162K.
Mercury Systems made up 0.99% of Oberweis Asset Management's portfolio in Q2 2026, its #22 holding.
Oberweis Asset Management first reported a position in Mercury Systems in Q1 2015 and has held it in 19 quarters since.
393 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.