Vanguard Group
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Vanguard Group’s Personalis PSNL Stock Holding History

Vanguard Group’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
2025
Q4 		$25.9M Buy
3,253,797
+247,387
+8% +$2.16M ﹤0.01% 2498
2025
Q3 		$19.6M Sell
3,006,410
-130,651
-4% -$744K ﹤0.01% 2639
2025
Q2 		$20.6M Buy
3,137,061
+1,846,470
+143% +$8.57M ﹤0.01% 2544
2025
Q1 		$4.53M Sell
1,290,591
-444,295
-26% -$2.11M ﹤0.01% 3218
2024
Q4 		$10M Sell
1,734,886
-235,711
-12% -$1.09M ﹤0.01% 2957
2024
Q3 		$10.6M Buy
1,970,597
+66,432
+3% +$274K ﹤0.01% 2918
2024
Q2 		$2.23M Hold
1,904,165
– – ﹤0.01% 3523
2024
Q1 		$2.84M Sell
1,904,165
-165,929
-8% -$257K ﹤0.01% 3484
2023
Q4 		$4.35M Buy
2,070,094
+4,493
+0.2% +$5.8K ﹤0.01% 3343
2023
Q3 		$2.5M Hold
2,065,601
– – ﹤0.01% 3510
2023
Q2 		$3.88M Hold
2,065,601
– – ﹤0.01% 3427
2023
Q1 		$5.7M Buy
2,065,601
+30,601
+2% +$86.1K ﹤0.01% 3239
2022
Q4 		$4.03M Sell
2,035,000
-28,888
-1% -$72.7K ﹤0.01% 3404
2022
Q3 		$6.13M Buy
2,063,888
+263,211
+15% +$1M ﹤0.01% 3215
2022
Q2 		$6.21M Sell
1,800,677
-254,991
-12% -$1.3M ﹤0.01% 3255
2022
Q1 		$16.8M Sell
2,055,668
-18,855
-0.9% -$195K ﹤0.01% 2872
2021
Q4 		$29.6M Buy
2,074,523
+140,123
+7% +$2.34M ﹤0.01% 2636
2021
Q3 		$37.2M Buy
1,934,400
+116,022
+6% +$2.43M ﹤0.01% 2522
2021
Q2 		$46M Buy
1,818,378
+187,201
+11% +$4.28M ﹤0.01% 2420
2021
Q1 		$40.1M Buy
1,631,177
+427,789
+36% +$14.7M ﹤0.01% 2429
2020
Q4 		$44.1M Buy
1,203,388
+84,796
+8% +$2.56M ﹤0.01% 2269
2020
Q3 		$24.2M Buy
1,118,592
+350,270
+46% +$6.96M ﹤0.01% 2362
2020
Q2 		$9.96M Buy
768,322
+225,710
+42% +$2.5M ﹤0.01% 2776
2020
Q1 		$4.38M Buy
542,612
+98,407
+22% +$915K ﹤0.01% 3020
2019
Q4 		$4.84M Buy
444,205
+107,034
+32% +$1.11M ﹤0.01% 3186
2019
Q3 		$4.95M Buy
337,171
+270,008
+402% +$5.11M ﹤0.01% 3140
2019
Q2 		$1.82M Buy
+67,163
New +$1.9M ﹤0.01% 3502

Other funds holding PSNL

MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
LMC
Lightspeed Management Company Menlo Park, California $988M AUM 7.5% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
ACM
AIGH Capital Management Baltimore, Maryland $733M AUM 327.32% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return
BWLSA
Blue Water Life Science Advisors Larkspur, California $125M AUM 91.82% 1-Year Est. Return

Vanguard Group's PSNL Position: Q4 2025 in Review

Vanguard Group increased its Personalis (PSNL) stake by 8.2% in Q4 2025, buying an estimated $2.16M and bringing the position to 3,253,797 shares worth $25.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2498.

Vanguard Group first reported a position in PSNL in Q2 2019 and has held it in 27 quarters since. The position peaked at $46M in Q2 2021. 126 funds tracked by Wall St. Rank hold PSNL as of Q4 2025.

  • Vanguard Group held 3,253,797 shares of Personalis worth $25.9M as of Q4 2025.
  • Vanguard Group bought 247,387 Personalis shares in Q4 2025, an estimated $2.16M.
  • Personalis made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2498 holding.
  • Vanguard Group first reported a position in Personalis in Q2 2019 and has held it in 27 quarters since.
  • Vanguard Group's Personalis position peaked at $46M in Q2 2021.
  • 126 funds tracked by Wall St. Rank held Personalis as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.