Susquehanna International Group
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Susquehanna International Group’s Mercury Systems MRCY Stock Holding History

Susquehanna International Group’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
Q1 		$4.23M Buy
58,000
+18,600
+47% +$1.62M ﹤0.01% 4559
2025
Q4 		$2.88M Sell
39,400
-22,300
-36% -$1.66M ﹤0.01% 4947
2025
Q3 		$4.78M Buy
61,700
+32,000
+108% +$1.99M ﹤0.01% 4164
2025
Q2 		$1.6M Buy
29,700
+8,800
+42% +$429K ﹤0.01% 6274
2025
Q1 		$901K Sell
20,900
-38,400
-65% -$1.68M ﹤0.01% 7508
2024
Q4 		$2.49M Sell
59,300
-32,000
-35% -$1.22M ﹤0.01% 4823
2024
Q3 		$3.38M Buy
91,300
+22,800
+33% +$802K ﹤0.01% 4329
2024
Q2 		$1.85M Buy
68,500
+12,300
+22% +$359K ﹤0.01% 5240
2024
Q1 		$1.66M Buy
56,200
+29,000
+107% +$874K ﹤0.01% 5769
2023
Q4 		$995K Sell
27,200
-700
-3% -$25.3K ﹤0.01% 7010
2023
Q3 		$1.03M Buy
27,900
+5,800
+26% +$214K ﹤0.01% 6558
2023
Q2 		$764K Hold
22,100
– – ﹤0.01% 7314
2023
Q1 		$1.13M Buy
22,100
+15,000
+211% +$758K ﹤0.01% 6493
2022
Q4 		$318K Sell
7,100
-12,400
-64% -$586K ﹤0.01% 8949
2022
Q3 		$792K Buy
19,500
+8,100
+71% +$424K ﹤0.01% 7252
2022
Q2 		$733K Sell
11,400
-44,300
-80% -$2.64M ﹤0.01% 7293
2022
Q1 		$3.59M Buy
55,700
+12,800
+30% +$760K ﹤0.01% 4283
2021
Q4 		$2.36M Buy
42,900
+27,900
+186% +$1.41M ﹤0.01% 5110
2021
Q3 		$711K Buy
15,000
+4,500
+43% +$250K ﹤0.01% 8462
2021
Q2 		$696K Buy
10,500
+500
+5% +$34.6K ﹤0.01% 8754
2021
Q1 		$707K Sell
10,000
-11,300
-53% -$817K ﹤0.01% 8630
2020
Q4 		$1.88M Sell
21,300
-11,900
-36% -$904K ﹤0.01% 5232
2020
Q3 		$2.57M Sell
33,200
-5,400
-14% -$410K ﹤0.01% 4140
2020
Q2 		$3.04M Buy
38,600
+6,200
+19% +$508K ﹤0.01% 3785
2020
Q1 		$2.31M Buy
32,400
+26,100
+414% +$1.98M ﹤0.01% 3716
2019
Q4 		$435K Sell
6,300
-4,100
-39% -$295K ﹤0.01% 7264
2019
Q3 		$844K Sell
10,400
-19,100
-65% -$1.51M ﹤0.01% 6071
2019
Q2 		$2.08M Buy
29,500
+2,800
+10% +$194K ﹤0.01% 4100
2019
Q1 		$1.71M Buy
+26,700
New +$1.54M ﹤0.01% 4000
2018
Q4 		– Sell
-8,400
Closed -$465K – 9581
2018
Q3 		$465K Buy
+8,400
New +$407K ﹤0.01% 6668
2018
Q2 		– Sell
-42,600
Closed -$2.06M – 10092
2018
Q1 		$2.06M Buy
42,600
+27,500
+182% +$1.31M ﹤0.01% 3865
2017
Q4 		$775K Sell
15,100
-40,200
-73% -$2.06M ﹤0.01% 5748
2017
Q3 		$2.87M Buy
55,300
+41,100
+289% +$1.9M ﹤0.01% 3297
2017
Q2 		$598K Buy
+14,200
New +$558K ﹤0.01% 6300

Other funds holding MRCY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JPM
JANA Partners Management New York $1.67B AUM 1.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Susquehanna International Group's MRCY Position: Q1 2026 in Review

Susquehanna International Group opened a new position in Mercury Systems (MRCY) in Q1 2026: 44,714 shares worth $3.26M. The stake represents ﹤0.01% of the portfolio and ranks #5106 among its holdings. This is a return to the name: Susquehanna International Group previously reported a position in MRCY as recently as Q3 2025.

Susquehanna International Group first reported a position in MRCY in Q2 2014 and has held it in 32 quarters since. The position peaked at $4.15M in Q2 2023. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Susquehanna International Group held 44,714 shares of Mercury Systems worth $3.26M as of Q1 2026.
  • Mercury Systems was a new Susquehanna International Group position in Q1 2026.
  • Mercury Systems made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #5106 holding.
  • Susquehanna International Group first reported a position in Mercury Systems in Q2 2014 and has held it in 32 quarters since.
  • Susquehanna International Group's Mercury Systems position peaked at $4.15M in Q2 2023.
  • 357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.