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Driehaus Capital Management’s Mercury Systems MRCY Stock Holding History

Driehaus Capital 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 		$59.7M Buy
487,921
+193,293
+66% +$18.4M 0.35% 97
2026
Q1 		$21.5M Sell
294,628
-10,098
-3% -$879K 0.16% 195
2025
Q4 		$22.2M Buy
304,726
+83,714
+38% +$6.23M 0.15% 196
2025
Q3 		$17.1M Buy
221,012
+2,666
+1% +$166K 0.12% 221
2025
Q2 		$11.8M Buy
+218,346
New +$10.6M 0.09% 238
2020
Q3 		– Sell
-58,099
Closed -$4.57M – 425
2020
Q2 		$4.57M Sell
58,099
-51,440
-47% -$4.21M 0.11% 200
2020
Q1 		$7.82M Buy
109,539
+64,196
+142% +$4.86M 0.26% 102
2019
Q4 		$3.13M Sell
45,343
-208,842
-82% -$15M 0.08% 237
2019
Q3 		$20.6M Sell
254,185
-52,129
-17% -$4.12M 0.67% 32
2019
Q2 		$21.5M Buy
306,314
+92,437
+43% +$6.41M 0.68% 38
2019
Q1 		$13.7M Buy
213,877
+68,368
+47% +$3.94M 0.51% 53
2018
Q4 		$6.88M Sell
145,509
-93,880
-39% -$4.58M 0.29% 97
2018
Q3 		$13.2M Buy
+239,389
New +$11.6M 0.41% 70
2018
Q2 		– Sell
-43,967
Closed -$2.12M – 527
2018
Q1 		$2.12M Sell
43,967
-187,438
-81% -$8.94M 0.08% 254
2017
Q4 		$11.9M Sell
231,405
-2,496
-1% -$128K 0.45% 51
2017
Q3 		$12.1M Buy
233,901
+46,945
+25% +$2.16M 0.47% 51
2017
Q2 		$7.87M Sell
186,956
-210,409
-53% -$8.27M 0.29% 72
2017
Q1 		$15.5M Buy
397,365
+79,573
+25% +$2.83M 0.53% 39
2016
Q4 		$9.6M Sell
317,792
-2,388
-0.7% -$67.8K 0.34% 58
2016
Q3 		$7.87M Sell
320,180
-69,313
-18% -$1.66M 0.27% 78
2016
Q2 		$9.68M Sell
389,493
-48
-0% -$1.03K 0.35% 60
2016
Q1 		$7.91M Buy
389,541
+25,298
+7% +$442K 0.26% 72
2015
Q4 		$6.69M Buy
+364,243
New +$6.6M 0.23% 103

Other funds holding MRCY

BlackRock
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Goldman Sachs
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

Driehaus Capital Management's MRCY Position: Q2 2026 in Review

Driehaus Capital Management increased its Mercury Systems (MRCY) stake by 66% in Q2 2026, buying an estimated $18.4M and bringing the position to 487,921 shares worth $59.7M. The position accounts for 0.35% of the portfolio, ranked #97.

Driehaus Capital Management first reported a position in MRCY in Q4 2015 and has held it in 23 quarters since. 392 funds tracked by Wall St. Rank hold MRCY as of Q2 2026.

  • Driehaus Capital Management held 487,921 shares of Mercury Systems worth $59.7M as of Q2 2026.
  • Driehaus Capital Management bought 193,293 Mercury Systems shares in Q2 2026, an estimated $18.4M.
  • Mercury Systems made up 0.35% of Driehaus Capital Management's portfolio in Q2 2026, its #97 holding.
  • Driehaus Capital Management first reported a position in Mercury Systems in Q4 2015 and has held it in 23 quarters since.
  • 392 funds tracked by Wall St. Rank held Mercury Systems as of Q2 2026.

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