Cathie Wood Pacific Biosciences Of California, Inc. Transaction History

Ark Investment Management LLC

$12.1 Billion
Q2 2025

A detailed history of Cathie Wood (Ark Investment Management LLC) transactions in Pacific Biosciences Of California, Inc. stock. As of the latest transaction made, Ark Investment Management LLC holds 36,298,163 shares of PACB stock, worth $43.9 Million. This represents 0.37% of its overall portfolio holdings.

Number of Shares

36,298,163

Previous 36,478,441 0.49%

Holding current value

$43.9 Million

Previous $43 Million 4.57%

% of portfolio

0.37%

Previous 0.46%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Jul 30, 2025	SELL	$0.91 - $1.45 $164,052 - $261,403	-180,278 Reduced 0.49%	36,298,163 $45 Million
Q1 2025 May 07, 2025	BUY	$1.14 - $2.1 $494,850 - $911,565	434,079 Added 1.2%	36,478,441 $43 Million
Q4 2024 Feb 04, 2025	BUY	$1.55 - $2.65 $4.09 Million - $6.99 Million	2,637,961 Added 7.9%	36,044,362 $66 Million
Q3 2024 Oct 31, 2024	BUY	$1.2 - $2.17 $232,736 - $420,864	193,947 Added 0.58%	33,406,401 $56.8 Million
Q2 2024 Jul 26, 2024	SELL	$1.36 - $3.65 $105,648 - $283,542	-77,683 Reduced 0.23%	33,212,454 $45.5 Million
Q1 2024 Apr 18, 2024	SELL	$3.52 - $9.59 $4.27 Million - $11.6 Million	-1,214,136 Reduced 3.52%	33,290,137 $125 Million
Q4 2023 Jan 17, 2024	BUY	$5.97 - $10.36 $28 Million - $48.5 Million	4,681,833 Added 15.7%	34,504,273 $338 Million
Q3 2023 Oct 18, 2023	BUY	$8.23 - $13.93 $26.2 Million - $44.4 Million	3,187,820 Added 11.97%	29,822,440 $249 Million
Q2 2023 Jul 10, 2023	SELL	$9.97 - $14.05 $11.2 Million - $15.7 Million	-1,119,059 Reduced 4.03%	26,634,620 $354 Million
Q1 2023 Apr 17, 2023	BUY	$7.94 - $12.02 $16.4 Million - $24.8 Million	2,061,998 Added 8.03%	27,753,679 $321 Million
Q4 2022 Jan 24, 2023	SELL	$5.67 - $11.2 $17 Million - $33.6 Million	-3,000,813 Reduced 10.46%	25,691,681 $0
Q3 2022 Oct 17, 2022	BUY	$3.93 - $8.57 $2.54 Million - $5.54 Million	646,964 Added 2.31%	28,692,494 $167 Million
Q2 2022 Jul 11, 2022	BUY	$4.02 - $10.43 $3.16 Million - $8.2 Million	786,009 Added 2.88%	28,045,530 $158 Million
Q1 2022 Apr 19, 2022	BUY	$8.43 - $20.9 $7.39 Million - $18.3 Million	876,418 Added 3.32%	27,259,521 $248 Million
Q4 2021 Jan 28, 2022	BUY	$19.26 - $30.08 $70.5 Million - $110 Million	3,660,028 Added 16.11%	26,383,103 $540 Million
Q3 2021 Nov 12, 2021	BUY	$24.86 - $35.02 $55.7 Million - $78.5 Million	2,241,589 Added 10.94%	22,723,075 $581 Million
Q2 2021 Aug 05, 2021	SELL	$22.3 - $36.02 $18.3 Million - $29.5 Million	-819,705 Reduced 3.85%	20,481,486 $716 Million
Q1 2021 May 13, 2021	SELL	$26.38 - $51.15 $190 Million - $368 Million	-7,203,438 Reduced 25.27%	21,301,191 $710 Million
Q4 2020 Feb 12, 2021	BUY	$10.5 - $28.5 $90.9 Million - $247 Million	8,659,849 Added 43.64%	28,504,629 $739 Million
Q3 2020 Oct 30, 2020	BUY	$3.61 - $9.87 $41.9 Million - $115 Million	11,613,288 Added 141.08%	19,844,780 $196 Million
Q2 2020 Aug 11, 2020	BUY	$2.65 - $4.03 $10.7 Million - $16.3 Million	4,038,433 Added 96.31%	8,231,492 $28.4 Million
Q1 2020 May 14, 2020	BUY	$2.36 - $5.26 $6.33 Million - $14.1 Million	2,683,645 Added 177.79%	4,193,059 $12.8 Million
Q4 2019 Jan 31, 2020	BUY	$4.6 - $5.57 $3.46 Million - $4.19 Million	752,617 Added 99.45%	1,509,414 $7.76 Million
Q3 2019 Nov 12, 2019	BUY	$4.99 - $6.16 $3.78 Million - $4.66 Million	756,797 New	756,797 $3.91 Million
Q2 2019 Jul 30, 2019	BUY	$5.92 - $7.41 $0 - $0	0 New	0 $0
Q1 2019 May 13, 2019	SELL	$6.8 - $7.4 $4,012 - $4,366	-590 Closed	0 $0
Q4 2018 Feb 01, 2019	SELL	$3.99 - $7.82 $31.1 Million - $60.9 Million	-7,785,895 Reduced 99.99%	590 $4,000
Q3 2018 Nov 07, 2018	BUY	$3.52 - $5.55 $5.16 Million - $8.13 Million	1,465,192 Added 23.18%	7,786,485 $42.1 Million
Q2 2018 Aug 07, 2018	BUY	$2.11 - $3.92 $4.3 Million - $7.98 Million	2,036,596 Added 47.53%	6,321,293 $22.4 Million
Q1 2018 May 14, 2018	BUY	$2.05 - $3.23 $8.35 Million - $13.1 Million	4,070,780 Added 1902.97%	4,284,697 $8.78 Million
Q4 2017 Feb 12, 2018	BUY	$2.59 - $5.44 $464,107 - $974,804	179,192 Added 516.03%	213,917 $565,000
Q3 2017 Nov 09, 2017	BUY	$3.2 - $5.57 $111,120 - $193,418	34,725	34,725 $182,000

Others Institutions Holding PACB

# of Institutions

243

Shares Held

199M

Call Options Held

893K

Put Options Held

840K

View Full List

About PACIFIC BIOSCIENCES OF CALIFORNIA, INC.

Ticker PACB
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 224,840,992
Market Cap $272M
Description
Pacific Biosciences of California, Inc. designs, develops, and manufactures sequencing systems to resolve genetically complex problems. The company provides PacBio's Systems, which conduct, monitor, and analyse biochemical sequencing reactions; consumable products, including single molecule real-time (SMRT) cells; and various reagent kits design...

More about PACB

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