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
2025
Q2 		– Sell
-159,645
Closed -$188K – 2393
2025
Q1 		$188K Sell
159,645
-2,685
-2% -$4.12K ﹤0.01% 2113
2024
Q4 		$297K Sell
162,330
-6,808
-4% -$13.3K ﹤0.01% 2010
2024
Q3 		$288K Hold
169,138
– – ﹤0.01% 2057
2024
Q2 		$232K Sell
169,138
-4,405
-3% -$8.89K ﹤0.01% 2110
2024
Q1 		$651K Sell
173,543
-22,478
-11% -$132K ﹤0.01% 1612
2023
Q4 		$1.92M Buy
196,021
+28,245
+17% +$231K 0.01% 1243
2023
Q3 		$1.4M Sell
167,776
-4,415
-3% -$50.5K ﹤0.01% 1325
2023
Q2 		$2.29M Sell
172,191
-8,297
-5% -$101K 0.01% 1265
2023
Q1 		$2.09M Sell
180,488
-19,942
-10% -$198K 0.01% 1290
2022
Q4 		$1.64M Sell
200,430
-13,123
-6% -$113K 0.01% 1366
2022
Q3 		$1.24M Sell
213,553
-10,935
-5% -$62.7K ﹤0.01% 1465
2022
Q2 		$992K Sell
224,488
-25,412
-10% -$154K ﹤0.01% 1637
2022
Q1 		$2.27M Hold
249,900
– – ﹤0.01% 1458
2021
Q4 		$5.11M Hold
249,900
– – 0.01% 1031
2021
Q3 		$6.38M Sell
249,900
-11,189
-4% -$331K 0.01% 949
2021
Q2 		$9.13M Buy
261,089
+56,489
+28% +$1.64M 0.02% 806
2021
Q1 		$6.82M Buy
204,600
+192,100
+1,537% +$6.72M 0.01% 913
2020
Q4 		$324K Sell
12,500
-127,500
-91% -$2.17M ﹤0.01% 1755
2020
Q3 		$1.38M Sell
140,000
-515,028
-79% -$2.97M ﹤0.01% 1230
2020
Q2 		$2.26M Sell
655,028
-27,200
-4% -$92.6K 0.01% 1102
2020
Q1 		$2.09M Sell
682,228
-67,600
-9% -$277K 0.01% 1056
2019
Q4 		$3.85M Buy
749,828
+43,010
+6% +$219K 0.01% 1007
2019
Q3 		$3.65M Buy
706,818
+181,818
+35% +$1.02M 0.01% 892
2019
Q2 		$3.18M Buy
525,000
+225,000
+75% +$1.58M 0.01% 939
2019
Q1 		$2.17M Hold
300,000
– – 0.01% 987
2018
Q4 		$2.22M Buy
+300,000
New +$1.9M 0.01% 952

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 $6.91B AUM 19.7% 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 $1.61T AUM 30.72% 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.