Optiver Holding’s Pacific Biosciences PACB Stock Holding History

Optiver Holding’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	$2.83K	Buy	+2,140	New	+$3.83K	﹤0.01%	1697
2025 Q3	–	Sell	-60,178	Closed	-$74.6K	–	2833
2025 Q2	$74.6K	Buy	60,178 +10,840	+22%	+$12.5K	﹤0.01%	569
2025 Q1	$58.2K	Buy	49,338 +48,598	+6,567%	+$74.5K	﹤0.01%	500
2024 Q4	$1.35K	Buy	+740	New	+$1.44K	﹤0.01%	967
2024 Q3	–	Sell	-3,491	Closed	-$4.78K	–	1058
2024 Q2	$4.78K	Buy	+3,491	New	+$7.05K	﹤0.01%	800

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

Optiver Holding's PACB Position: Q1 2026 in Review

Optiver Holding opened a new position in Pacific Biosciences (PACB) in Q1 2026: 2,140 shares worth $2.83K. The stake represents ﹤0.01% of the portfolio and ranks #1697 among its holdings. This is a return to the name: Optiver Holding previously reported a position in PACB as recently as Q2 2025.

Optiver Holding first reported a position in PACB in Q2 2024 and has held it in 5 quarters since. The position peaked at $74.6K in Q2 2025. 229 funds tracked by Wall St. Rank hold PACB as of Q1 2026.

Optiver Holding held 2,140 shares of Pacific Biosciences worth $2.83K as of Q1 2026.
Pacific Biosciences was a new Optiver Holding position in Q1 2026.
Pacific Biosciences made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1697 holding.
Optiver Holding first reported a position in Pacific Biosciences in Q2 2024 and has held it in 5 quarters since.
Optiver Holding's Pacific Biosciences position peaked at $74.6K in Q2 2025.
229 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.