SEI Investments’s Pacific Biosciences PACB Stock Holding History

SEI Investments’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 Q2	$99.5K	Sell	59,230 -107,593	-64%	-$156K	﹤0.01%	3183
2026 Q1	$220K	Buy	+166,823	New	+$298K	﹤0.01%	2941
2025 Q1	–	Sell	-28,004	Closed	-$51.2K	–	2818
2024 Q4	$51.2K	Sell	28,004 -91,853	-77%	-$179K	﹤0.01%	2664
2024 Q3	$204K	Sell	119,857 -523,579	-81%	-$860K	﹤0.01%	2470
2024 Q2	$882K	Sell	643,436 -914,278	-59%	-$1.85M	﹤0.01%	1954
2024 Q1	$5.84M	Sell	1,557,714 -282,359	-15%	-$1.65M	0.01%	1136
2023 Q4	$18.1M	Buy	1,840,073 +642,400	+54%	+$5.25M	0.03%	613
2023 Q3	$10M	Sell	1,197,673 -250,019	-17%	-$2.86M	0.02%	859
2023 Q2	$19.3M	Sell	1,447,692 -708,474	-33%	-$8.61M	0.03%	577
2023 Q1	$25M	Sell	2,156,166 -495,421	-19%	-$4.93M	0.05%	444
2022 Q4	$21.7M	Sell	2,651,587 -841,675	-24%	-$7.25M	0.05%	428
2022 Q3	$20.3M	Sell	3,493,262 -356,287	-9%	-$2.04M	0.05%	457
2022 Q2	$17M	Sell	3,849,549 -86,738	-2%	-$527K	0.04%	524
2022 Q1	$35.8M	Buy	3,936,287 +1,261,333	+47%	+$14.5M	0.07%	295
2021 Q4	$54.7M	Buy	2,674,954 +146,263	+6%	+$3.53M	0.1%	207
2021 Q3	$64.6M	Sell	2,528,691 -20,534	-0.8%	-$608K	0.14%	153
2021 Q2	$89.1M	Buy	2,549,225 +436,096	+21%	+$12.7M	0.2%	91
2021 Q1	$70.4M	Sell	2,113,129 -55,907	-3%	-$1.96M	0.18%	100
2020 Q4	$56.3M	Buy	+2,169,036	New	+$36.9M	0.15%	127

Other funds holding PACB

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AIM

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

SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

NAMA

Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

SEI Investments's PACB Position: Q2 2026 in Review

SEI Investments reduced its Pacific Biosciences (PACB) stake by 64% in Q2 2026, selling an estimated $156K and leaving 59,230 shares worth $99.5K. The position accounts for ﹤0.01% of the portfolio, ranked #3183.

SEI Investments first reported a position in PACB in Q4 2020 and has held it in 19 quarters since. The position peaked at $89.1M in Q2 2021. 223 funds tracked by Wall St. Rank hold PACB as of Q2 2026.

SEI Investments held 59,230 shares of Pacific Biosciences worth $99.5K as of Q2 2026.
SEI Investments sold 107,593 Pacific Biosciences shares in Q2 2026, an estimated $156K.
Pacific Biosciences made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #3183 holding.
SEI Investments first reported a position in Pacific Biosciences in Q4 2020 and has held it in 19 quarters since.
SEI Investments's Pacific Biosciences position peaked at $89.1M in Q2 2021.
223 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.