Soros Fund Management’s Pacific Biosciences PACB Stock Holding History

Soros Fund Management’s Portfolio PACB Stock Details PACB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-1,000,000	Closed	-$1.18M	–	249
2025 Q1	$1.18M	Sell	1,000,000 -1,372,265	-58%	-$2.11M	0.02%	198
2024 Q4	$4.34M	Buy	2,372,265 +274,265	+13%	+$535K	0.07%	161
2024 Q3	$3.57M	Buy	2,098,000 +400,000	+24%	+$657K	0.05%	146
2024 Q2	$2.33M	Buy	1,698,000 +65,000	+4%	+$131K	0.04%	161
2024 Q1	$6.12M	Buy	+1,633,000	New	+$9.56M	0.1%	136
2019 Q1	–	Sell	-135,000	Closed	-$999K	–	186
2018 Q4	$999K	Buy	+135,000	New	+$855K	0.03%	158
2017 Q4	–	Sell	-670,400	Closed	-$3.52M	–	255
2017 Q3	$3.52M	Buy	+670,400	New	+$2.88M	0.08%	119

Other funds holding PACB

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

Madrone Advisors Menlo Park, California $1.03B AUM 20.53% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

EDRH

Edmond de Rothschild Holding Chambesy, Switzerland $6.91B AUM 19.7% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return

NAMA

Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Soros Fund Management's PACB Position: Q2 2025 in Review

Soros Fund Management sold out of Pacific Biosciences (PACB) in Q2 2025, closing a stake of 1,000,000 shares — an estimated $1.18M sold.

Soros Fund Management first reported a position in PACB in Q3 2017 and held it in 7 quarters. The position peaked at $6.12M in Q1 2024. 207 funds tracked by Wall St. Rank hold PACB as of Q2 2025.

Soros Fund Management reported no remaining Pacific Biosciences position as of Q2 2025 after selling out during the quarter.
Soros Fund Management sold 1,000,000 Pacific Biosciences shares in Q2 2025, an estimated $1.18M.
Soros Fund Management first reported a position in Pacific Biosciences in Q3 2017 and held it in 7 quarters.
Soros Fund Management's Pacific Biosciences position peaked at $6.12M in Q1 2024.
207 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2025.

Based on Soros Fund Management's 13F filing for Q2 2025, filed 14 Aug 2025.