Public Sector Pension Investment Board (PSP Investments)
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Public Sector Pension Investment Board (PSP Investments)’s Mercury Systems MRCY Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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 		$13.8M Buy
188,960
+5,927
+3% +$516K 0.04% 395
2025
Q4 		$13.4M Sell
183,033
-22,611
-11% -$1.68M 0.04% 340
2025
Q3 		$15.9M Buy
205,644
+32,443
+19% +$2.02M 0.06% 276
2025
Q2 		$9.33M Buy
173,201
+12,374
+8% +$603K 0.04% 409
2025
Q1 		$6.93M Buy
160,827
+34,335
+27% +$1.5M 0.03% 535
2024
Q4 		$5.31M Buy
126,492
+19,393
+18% +$740K 0.02% 617
2024
Q3 		$3.96M Sell
107,099
-7,800
-7% -$275K 0.02% 589
2024
Q2 		$3.1M Buy
114,899
+7,814
+7% +$228K 0.02% 650
2024
Q1 		$3.16M Sell
107,085
-1,160
-1% -$35K 0.02% 572
2023
Q4 		$3.96M Buy
108,245
+45,011
+71% +$1.62M 0.03% 453
2023
Q3 		$2.35M Buy
+63,234
New +$2.33M 0.02% 674
2019
Q4 		– Sell
-140,803
Closed -$11.4M – 1558
2019
Q3 		$11.4M Buy
140,803
+18,852
+15% +$1.49M 0.08% 230
2019
Q2 		$8.58M Buy
121,951
+77,500
+174% +$5.38M 0.07% 240
2019
Q1 		$2.85M Buy
44,451
+2,000
+5% +$115K 0.03% 516
2018
Q4 		$2.01M Buy
42,451
+8,500
+25% +$414K 0.02% 607
2018
Q3 		$1.88M Buy
33,951
+2,750
+9% +$133K 0.01% 659
2018
Q2 		$1.19M Hold
31,201
– – 0.01% 727
2018
Q1 		$1.51M Buy
31,201
+900
+3% +$42.9K 0.01% 540
2017
Q4 		$1.56M Hold
30,301
– – 0.01% 619
2017
Q3 		$1.57M Buy
30,301
+5,647
+23% +$260K 0.01% 562
2017
Q2 		$1.04M Sell
24,654
-9,400
-28% -$369K 0.01% 715
2017
Q1 		$1.33M Buy
34,054
+5,700
+20% +$203K 0.01% 756
2016
Q4 		$857K Hold
28,354
– – 0.01% 921
2016
Q3 		$697K Hold
28,354
– – 0.01% 943
2016
Q2 		$705K Buy
28,354
+5,800
+26% +$125K 0.01% 916
2016
Q1 		$458K Hold
22,554
– – 0.01% 1021
2015
Q4 		$414K Sell
22,554
-13,400
-37% -$243K ﹤0.01% 1060
2015
Q3 		$572K Sell
35,954
-14,200
-28% -$215K 0.01% 1080
2015
Q2 		$734K Sell
50,154
-10,600
-17% -$154K 0.01% 1134
2015
Q1 		$945K Buy
60,754
+1,294
+2% +$20.4K 0.01% 1107
2014
Q4 		$828K Hold
59,460
– – 0.01% 1143
2014
Q3 		$655K Sell
59,460
-13,500
-19% -$152K ﹤0.01% 1169
2014
Q2 		$827K Buy
72,960
+5,882
+9% +$73.4K 0.01% 1172
2014
Q1 		$886K Sell
67,078
-14,000
-17% -$159K 0.01% 1132
2013
Q4 		$888K Buy
81,078
+2,600
+3% +$26K 0.01% 1164
2013
Q3 		$784K Buy
78,478
+17,100
+28% +$162K ﹤0.01% 1163
2013
Q2 		$566K Buy
+61,378
New +$530K ﹤0.01% 1149

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 $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s MRCY Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Mercury Systems (MRCY) stake by 3.2% in Q1 2026, buying an estimated $516K and bringing the position to 188,960 shares worth $13.8M. The position accounts for 0.04% of the portfolio, ranked #395.

Public Sector Pension Investment Board (PSP Investments) first reported a position in MRCY in Q2 2013 and has held it in 37 quarters since. The position peaked at $15.9M in Q3 2025. 357 funds tracked by Wall St. Rank hold MRCY as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 188,960 shares of Mercury Systems worth $13.8M as of Q1 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 5,927 Mercury Systems shares in Q1 2026, an estimated $516K.
  • Mercury Systems made up 0.04% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #395 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Mercury Systems in Q2 2013 and has held it in 37 quarters since.
  • Public Sector Pension Investment Board (PSP Investments)'s Mercury Systems position peaked at $15.9M in Q3 2025.
  • 357 funds tracked by Wall St. Rank held Mercury Systems as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.