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Atom Investors’s Personalis PSNL Stock Holding History

Atom Investors’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 		– Sell
-18,043
Closed -$118K – 762
2025
Q3 		$118K Buy
+18,043
New +$103K 0.01% 545
2019
Q3 		– Sell
-79,496
Closed -$2.16M – 400
2019
Q2 		$2.16M Buy
+79,496
New +$2.25M 0.14% 179

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

Atom Investors's PSNL Position: Q4 2025 in Review

Atom Investors sold out of Personalis (PSNL) in Q4 2025, closing a stake of 18,043 shares — an estimated $118K sold.

Atom Investors first reported a position in PSNL in Q2 2019 and held it in 2 quarters. The position peaked at $2.16M in Q2 2019. 126 funds tracked by Wall St. Rank hold PSNL as of Q4 2025.

  • Atom Investors reported no remaining Personalis position as of Q4 2025 after selling out during the quarter.
  • Atom Investors sold 18,043 Personalis shares in Q4 2025, an estimated $118K.
  • Atom Investors first reported a position in Personalis in Q2 2019 and held it in 2 quarters.
  • Atom Investors's Personalis position peaked at $2.16M in Q2 2019.
  • 126 funds tracked by Wall St. Rank held Personalis as of Q4 2025.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.