Cathie Wood
PACB icon

Cathie Wood’s Pacific Biosciences PACB Stock Holding History

Cathie Wood’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
2022
Q4 		– Sell
-7,200
Closed -$42K – 241
2022
Q3 		$42K Hold
7,200
– – ﹤0.01% 243
2022
Q2 		$41K Hold
7,200
– – ﹤0.01% 346
2022
Q1 		$66K Sell
7,200
-10,400
-59% -$120K ﹤0.01% 346
2021
Q4 		$360K Buy
17,600
+1,000
+6% +$24.1K ﹤0.01% 279
2021
Q3 		$424K Buy
+16,600
New +$492K ﹤0.01% 281

Other funds holding PACB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Sumitomo Mitsui Trust Group
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Cathie Wood's PACB Position: Q2 2026 in Review

Cathie Wood reduced its Pacific Biosciences (PACB) stake by 18% in Q2 2026, selling an estimated $9.44M and leaving 29,781,416 shares worth $50M. The position accounts for 0.32% of the portfolio, ranked #61.

Cathie Wood first reported a position in PACB in Q3 2017 and has held it in 34 quarters since. The position peaked at $739M in Q4 2020. 222 funds tracked by Wall St. Rank hold PACB as of Q2 2026.

  • Cathie Wood held 29,781,416 shares of Pacific Biosciences worth $50M as of Q2 2026.
  • Cathie Wood sold 6,491,872 Pacific Biosciences shares in Q2 2026, an estimated $9.44M.
  • Pacific Biosciences made up 0.32% of Cathie Wood's portfolio in Q2 2026, its #61 holding.
  • Cathie Wood first reported a position in Pacific Biosciences in Q3 2017 and has held it in 34 quarters since.
  • Cathie Wood's Pacific Biosciences position peaked at $739M in Q4 2020.
  • 222 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.

Based on ARK Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.