State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Pacific Biosciences PACB Stock Holding History

State of Wisconsin Investment Board’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
2020
Q3 		– Sell
-140,000
Closed -$483K – 1978
2020
Q2 		$483K Buy
140,000
+20,000
+17% +$68.1K ﹤0.01% 1442
2020
Q1 		$367K Buy
+120,000
New +$491K ﹤0.01% 1427

Other funds holding PACB

AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return
MA
Madrone Advisors Menlo Park, California $1.03B AUM 20.53% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
EDRH
Edmond de Rothschild Holding Chambesy, Switzerland $7.59B AUM 23.44% 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 $7.07B AUM 50.91% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

State of Wisconsin Investment Board's PACB Position: Q2 2025 in Review

State of Wisconsin Investment Board sold out of Pacific Biosciences (PACB) in Q2 2025, closing a stake of 159,645 shares — an estimated $188K sold.

State of Wisconsin Investment Board first reported a position in PACB in Q4 2018 and held it in 26 quarters. The position peaked at $9.13M in Q2 2021. 207 funds tracked by Wall St. Rank hold PACB as of Q2 2025.

  • State of Wisconsin Investment Board reported no remaining Pacific Biosciences position as of Q2 2025 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 159,645 Pacific Biosciences shares in Q2 2025, an estimated $188K.
  • State of Wisconsin Investment Board first reported a position in Pacific Biosciences in Q4 2018 and held it in 26 quarters.
  • State of Wisconsin Investment Board's Pacific Biosciences position peaked at $9.13M in Q2 2021.
  • 207 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2025.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2025, filed 14 Aug 2025.