Magnetar Financial’s Pacific Biosciences PACB Stock Holding History

Magnetar Financial’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
2026 Q1	–	Sell	-31,602	Closed	-$59.1K	–	1330
2025 Q4	$59.1K	Buy	+31,602	New	+$60.7K	﹤0.01%	871
2020 Q3	–	Sell	-1,010,496	Closed	-$3.49M	–	714
2020 Q2	$3.49M	Sell	1,010,496 -984,309	-49%	-$3.35M	0.1%	133
2020 Q1	$6.1M	Sell	1,994,805 -4,924,850	-71%	-$20.2M	0.15%	114
2019 Q4	$35.6M	Sell	6,919,655 -151,397	-2%	-$770K	0.74%	26
2019 Q3	$36.5M	Sell	7,071,052 -870,321	-11%	-$4.87M	0.93%	21
2019 Q2	$48M	Sell	7,941,373 -276,565	-3%	-$1.94M	0.96%	24
2019 Q1	$59.4M	Sell	8,217,938 -1,064,739	-11%	-$7.7M	1.53%	19
2018 Q4	$68.7M	Buy	+9,282,677	New	+$58.8M	1.69%	19

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Magnetar Financial's PACB Position: Q1 2026 in Review

Magnetar Financial sold out of Pacific Biosciences (PACB) in Q1 2026, closing a stake of 31,602 shares — an estimated $59.1K sold.

Magnetar Financial first reported a position in PACB in Q4 2018 and held it in 8 quarters. The position peaked at $68.7M in Q4 2018. 229 funds tracked by Wall St. Rank hold PACB as of Q1 2026.

Magnetar Financial reported no remaining Pacific Biosciences position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 31,602 Pacific Biosciences shares in Q1 2026, an estimated $59.1K.
Magnetar Financial first reported a position in Pacific Biosciences in Q4 2018 and held it in 8 quarters.
Magnetar Financial's Pacific Biosciences position peaked at $68.7M in Q4 2018.
229 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.