Jeff Yass’s Personalis PSNL Stock Holding History

Jeff Yass’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	$1.94M	Buy	144,800 +102,800	+245%	+$837K	﹤0.01%	6542
2026 Q1	$268K	Buy	42,000 +15,000	+56%	+$127K	﹤0.01%	11129
2025 Q4	$215K	Sell	27,000 -34,000	-56%	-$297K	﹤0.01%	10729
2025 Q3	$398K	Sell	61,000 -21,900	-26%	-$125K	﹤0.01%	9488
2025 Q2	$544K	Buy	82,900 +66,800	+415%	+$310K	﹤0.01%	8987
2025 Q1	$56.5K	Buy	+16,100	New	+$76.5K	﹤0.01%	11814
2024 Q4	–	Sell	-10,600	Closed	-$57K	–	13005
2024 Q3	$57K	Buy	+10,600	New	+$43.7K	﹤0.01%	11326
2022 Q1	–	Sell	-12,800	Closed	-$183K	–	13777
2021 Q4	$183K	Buy	+12,800	New	+$213K	﹤0.01%	11553
2021 Q3	–	Sell	-22,800	Closed	-$577K	–	13387
2021 Q2	$577K	Buy	22,800 +5,500	+32%	+$126K	﹤0.01%	9263
2021 Q1	$426K	Sell	17,300 -10,100	-37%	-$346K	﹤0.01%	9845
2020 Q4	$1M	Sell	27,400 -22,300	-45%	-$674K	﹤0.01%	6724
2020 Q3	$1.08M	Buy	+49,700	New	+$988K	﹤0.01%	5932

Other funds holding PSNL

Merck & Co Rahway, New Jersey $526M AUM 175.27% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

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 Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return

Jeff Yass's PSNL Position: Q2 2026 in Review

Jeff Yass reduced its Personalis (PSNL) stake by 42% in Q2 2026, selling an estimated $507K and leaving 86,982 shares worth $1.17M. The position accounts for ﹤0.01% of the portfolio, ranked #7812.

Jeff Yass first reported a position in PSNL in Q4 2019 and has held it in 24 quarters since. The position peaked at $5.05M in Q4 2024. 159 funds tracked by Wall St. Rank hold PSNL as of Q2 2026.

Jeff Yass held 86,982 shares of Personalis worth $1.17M as of Q2 2026.
Jeff Yass sold 62,354 Personalis shares in Q2 2026, an estimated $507K.
Personalis made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #7812 holding.
Jeff Yass first reported a position in Personalis in Q4 2019 and has held it in 24 quarters since.
Jeff Yass's Personalis position peaked at $5.05M in Q4 2024.
159 funds tracked by Wall St. Rank held Personalis as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.