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ARK Investment Management’s Personalis PSNL Stock Holding History

ARK Investment Management’s Portfolio PSNL Stock Details PSNL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$111M Buy
8,271,339
+327,227
+4% +$2.66M 0.72% 39
2026
Q1 		$50.6M Buy
7,944,112
+65,025
+0.8% +$549K 0.39% 48
2025
Q4 		$62.7M Sell
7,879,087
-31,104
-0.4% -$272K 0.42% 51
2025
Q3 		$51.6M Buy
7,910,191
+802,268
+11% +$4.57M 0.31% 55
2025
Q2 		$46.6M Sell
7,107,923
-80,274
-1% -$373K 0.34% 49
2025
Q1 		$25.2M Buy
7,188,197
+412,762
+6% +$1.96M 0.25% 54
2024
Q4 		$39.2M Sell
6,775,435
-310,088
-4% -$1.43M 0.33% 49
2024
Q3 		$38.1M Buy
7,085,523
+723,637
+11% +$2.98M 0.35% 50
2024
Q2 		$7.44M Buy
6,361,886
+296,413
+5% +$407K 0.07% 106
2024
Q1 		$9.04M Sell
6,065,473
-606,072
-9% -$939K 0.06% 110
2023
Q4 		$14M Buy
6,671,545
+952,118
+17% +$1.23M 0.08% 98
2023
Q3 		$6.92M Sell
5,719,427
-16,736
-0.3% -$29.9K 0.05% 111
2023
Q2 		$10.8M Sell
5,736,163
-44,201
-0.8% -$99.9K 0.07% 106
2023
Q1 		$16M Buy
5,780,364
+279,964
+5% +$787K 0.11% 88
2022
Q4 		$10.9M Buy
5,500,400
+53,888
+1% +$136K 0.09% 103
2022
Q3 		$16.2M Buy
5,446,512
+98,692
+2% +$376K 0.11% 92
2022
Q2 		$21.2M Buy
5,347,820
+163,036
+3% +$830K 0.13% 88
2022
Q1 		$42.5M Buy
5,184,784
+296,669
+6% +$3.07M 0.18% 73
2021
Q4 		$69.8M Sell
4,888,115
-277,245
-5% -$4.62M 0.21% 70
2021
Q3 		$99.4M Buy
5,165,360
+223,396
+5% +$4.67M 0.24% 70
2021
Q2 		$125M Sell
4,941,964
-763,863
-13% -$17.5M 0.23% 80
2021
Q1 		$140M Sell
5,705,827
-1,072,796
-16% -$36.8M 0.28% 73
2020
Q4 		$248M Buy
6,778,623
+3,485,482
+106% +$105M 0.66% 44
2020
Q3 		$71.4M Buy
3,293,141
+1,224,458
+59% +$24.3M 0.42% 50
2020
Q2 		$26.8M Buy
2,068,683
+964,618
+87% +$10.7M 0.29% 54
2020
Q1 		$8.91M Buy
1,104,065
+478,209
+76% +$4.45M 0.22% 60
2019
Q4 		$6.82M Buy
625,856
+326,392
+109% +$3.4M 0.17% 68
2019
Q3 		$4.39M Buy
299,464
+101,744
+51% +$1.92M 0.1% 79
2019
Q2 		$5.37M Buy
+197,720
New +$5.59M 0.14% 71

Other funds holding PSNL

MC
Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
LMC
Lightspeed Management Company Menlo Park, California $2.4B AUM 7.07% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CC
Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

ARK Investment Management's PSNL Position: Q2 2026 in Review

ARK Investment Management increased its Personalis (PSNL) stake by 4.1% in Q2 2026, buying an estimated $2.66M and bringing the position to 8,271,339 shares worth $111M. The position accounts for 0.72% of the portfolio, ranked #39.

ARK Investment Management first reported a position in PSNL in Q2 2019 and has held it in 29 quarters since. The position peaked at $248M in Q4 2020. 159 funds tracked by Wall St. Rank hold PSNL as of Q2 2026.

  • ARK Investment Management held 8,271,339 shares of Personalis worth $111M as of Q2 2026.
  • ARK Investment Management bought 327,227 Personalis shares in Q2 2026, an estimated $2.66M.
  • Personalis made up 0.72% of ARK Investment Management's portfolio in Q2 2026, its #39 holding.
  • ARK Investment Management first reported a position in Personalis in Q2 2019 and has held it in 29 quarters since.
  • ARK Investment Management's Personalis position peaked at $248M in Q4 2020.
  • 159 funds tracked by Wall St. Rank held Personalis as of Q2 2026.

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