First Manhattan
PSNL icon

First Manhattan’s Personalis PSNL Stock Holding History

First Manhattan’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
Q1 		$1.47M Sell
230,600
-143,222
-38% -$1.21M ﹤0.01% 381
2025
Q4 		$2.98M Buy
+373,822
New +$3.27M 0.01% 293

Other funds holding PSNL

MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
ACM
AIGH Capital Management Baltimore, Maryland $733M AUM 327.32% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

First Manhattan's PSNL Position: Q1 2026 in Review

First Manhattan reduced its Personalis (PSNL) stake by 38% in Q1 2026, selling an estimated $1.21M and leaving 230,600 shares worth $1.47M. The position accounts for ﹤0.01% of the portfolio, ranked #381.

First Manhattan first reported a position in PSNL in Q4 2025 and has held it in 2 quarters since. The position peaked at $2.98M in Q4 2025. 140 funds tracked by Wall St. Rank hold PSNL as of Q1 2026.

  • First Manhattan held 230,600 shares of Personalis worth $1.47M as of Q1 2026.
  • First Manhattan sold 143,222 Personalis shares in Q1 2026, an estimated $1.21M.
  • Personalis made up ﹤0.01% of First Manhattan's portfolio in Q1 2026, its #381 holding.
  • First Manhattan first reported a position in Personalis in Q4 2025 and has held it in 2 quarters since.
  • First Manhattan's Personalis position peaked at $2.98M in Q4 2025.
  • 140 funds tracked by Wall St. Rank held Personalis as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.