American Century Companies’s Pacific Biosciences PACB Stock Holding History

American Century Companies’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	$29.8K	Sell	22,602 -71,461	-76%	-$128K	﹤0.01%	2822
2025 Q4	$176K	Buy	+94,063	New	+$181K	﹤0.01%	2724
2021 Q4	–	Sell	-47,267	Closed	-$1.21M	–	2360
2021 Q3	$1.21M	Buy	47,267 +506	+1%	+$15K	﹤0.01%	1517
2021 Q2	$1.64M	Hold	46,761	–	–	﹤0.01%	1347
2021 Q1	$1.56M	Buy	+46,761	New	+$1.64M	﹤0.01%	1260
2020 Q4	–	Sell	-95,837	Closed	-$946K	–	2017
2020 Q3	$946K	Buy	+95,837	New	+$552K	﹤0.01%	1143

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

American Century Companies's PACB Position: Q1 2026 in Review

American Century Companies reduced its Pacific Biosciences (PACB) stake by 76% in Q1 2026, selling an estimated $128K and leaving 22,602 shares worth $29.8K. The position accounts for ﹤0.01% of the portfolio, ranked #2822.

American Century Companies first reported a position in PACB in Q3 2020 and has held it in 6 quarters since. The position peaked at $1.64M in Q2 2021. 229 funds tracked by Wall St. Rank hold PACB as of Q1 2026.

American Century Companies held 22,602 shares of Pacific Biosciences worth $29.8K as of Q1 2026.
American Century Companies sold 71,461 Pacific Biosciences shares in Q1 2026, an estimated $128K.
Pacific Biosciences made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2822 holding.
American Century Companies first reported a position in Pacific Biosciences in Q3 2020 and has held it in 6 quarters since.
American Century Companies's Pacific Biosciences position peaked at $1.64M in Q2 2021.
229 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.