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Jeff Yass’s Pacific Biosciences PACB Stock Holding History

Jeff Yass’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 		$3.58M Buy
2,129,263
+410,098
+24% +$596K ﹤0.01% 5270
2026
Q1 		$2.27M Sell
1,719,165
-892,378
-34% -$1.6M ﹤0.01% 5872
2025
Q4 		$4.88M Buy
2,611,543
+1,236,284
+90% +$2.38M ﹤0.01% 4057
2025
Q3 		$1.76M Buy
1,375,259
+92,624
+7% +$125K ﹤0.01% 6068
2025
Q2 		$1.59M Buy
1,282,635
+934,622
+269% +$1.08M ﹤0.01% 6295
2025
Q1 		$411K Sell
348,013
-522,622
-60% -$802K ﹤0.01% 9338
2024
Q4 		$1.59M Sell
870,635
-858,229
-50% -$1.68M ﹤0.01% 5812
2024
Q3 		$2.94M Buy
1,728,864
+911,103
+111% +$1.5M ﹤0.01% 4576
2024
Q2 		$1.12M Buy
817,761
+288,145
+54% +$582K ﹤0.01% 6319
2024
Q1 		$1.99M Sell
529,616
-236,549
-31% -$1.39M ﹤0.01% 5359
2023
Q4 		$7.52M Buy
766,165
+520,223
+212% +$4.25M ﹤0.01% 3044
2023
Q3 		$2.05M Sell
245,942
-42,833
-15% -$490K ﹤0.01% 5077
2023
Q2 		$3.84M Buy
288,775
+177,979
+161% +$2.16M ﹤0.01% 3955
2023
Q1 		$1.28M Sell
110,796
-128,791
-54% -$1.28M ﹤0.01% 6180
2022
Q4 		$1.96M Buy
239,587
+147,226
+159% +$1.27M ﹤0.01% 4736
2022
Q3 		$537K Sell
92,361
-19,155
-17% -$110K ﹤0.01% 8291
2022
Q2 		$493K Buy
111,516
+95,455
+594% +$580K ﹤0.01% 8301
2022
Q1 		$146K Sell
16,061
-84,826
-84% -$977K ﹤0.01% 11584
2021
Q4 		$2.06M Buy
100,887
+12,035
+14% +$290K ﹤0.01% 5421
2021
Q3 		$2.27M Buy
88,852
+18,102
+26% +$536K ﹤0.01% 5555
2021
Q2 		$2.47M Sell
70,750
-161,056
-69% -$4.68M ﹤0.01% 5443
2021
Q1 		$7.72M Sell
231,806
-359,471
-61% -$12.6M ﹤0.01% 3189
2020
Q4 		$15.3M Buy
591,277
+331,949
+128% +$5.64M ﹤0.01% 2014
2020
Q3 		$2.56M Buy
259,328
+213,396
+465% +$1.23M ﹤0.01% 4146
2020
Q2 		$158K Sell
45,932
-48,326
-51% -$165K ﹤0.01% 9222
2020
Q1 		$289K Buy
94,258
+80,071
+564% +$328K ﹤0.01% 8057
2019
Q4 		$73K Sell
14,187
-91,232
-87% -$464K ﹤0.01% 9242
2019
Q3 		$544K Buy
105,419
+51,686
+96% +$289K ﹤0.01% 7115
2019
Q2 		$325K Buy
+53,733
New +$377K ﹤0.01% 8151
2019
Q1 		– Sell
-13,472
Closed -$97.4K – 9566
2018
Q4 		$100K Sell
13,472
-29,833
-69% -$189K ﹤0.01% 8226
2018
Q3 		$234K Buy
+43,305
New +$186K ﹤0.01% 7946
2018
Q1 		– Sell
-157,681
Closed -$409K – 9937
2017
Q4 		$416K Buy
157,681
+76,152
+93% +$267K ﹤0.01% 6978
2017
Q3 		$428K Sell
81,529
-97,877
-55% -$421K ﹤0.01% 6778
2017
Q2 		$639K Sell
179,406
-74,075
-29% -$299K ﹤0.01% 6177
2017
Q1 		$1.31M Sell
253,481
-221,485
-47% -$1.08M ﹤0.01% 4562
2016
Q4 		$1.8M Buy
474,966
+319,740
+206% +$2.32M ﹤0.01% 4288
2016
Q3 		$1.39M Sell
155,226
-146,568
-49% -$1.23M ﹤0.01% 4178
2016
Q2 		$2.12M Buy
301,794
+232,335
+334% +$2.12M ﹤0.01% 3460
2016
Q1 		$591K Buy
69,459
+55,327
+392% +$544K ﹤0.01% 6107
2015
Q4 		$186K Sell
14,132
-34,650
-71% -$311K ﹤0.01% 8487
2015
Q3 		$179K Buy
48,782
+22,378
+85% +$109K ﹤0.01% 8791
2015
Q2 		$152K Buy
26,404
+7,977
+43% +$46.2K ﹤0.01% 9483
2015
Q1 		$108K Buy
18,427
+1,580
+9% +$10.9K ﹤0.01% 8938
2014
Q4 		$132K Buy
+16,847
New +$108K ﹤0.01% 9074
2014
Q3 		– Sell
-73,898
Closed -$386K – 9796
2014
Q2 		$456K Buy
73,898
+26,239
+55% +$131K ﹤0.01% 7655
2014
Q1 		$255K Sell
47,659
-3,709
-7% -$23.4K ﹤0.01% 7849
2013
Q4 		$269K Sell
51,368
-25,677
-33% -$118K ﹤0.01% 7763
2013
Q3 		$426K Buy
77,045
+48,523
+170% +$168K ﹤0.01% 6678
2013
Q2 		$72K Buy
+28,522
New +$71K ﹤0.01% 7886

Other funds holding PACB

BlackRock
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
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

Jeff Yass's PACB Position: Q2 2026 in Review

Jeff Yass increased its Pacific Biosciences (PACB) stake by 24% in Q2 2026, buying an estimated $596K and bringing the position to 2,129,263 shares worth $3.58M. The position accounts for ﹤0.01% of the portfolio, ranked #5270.

Jeff Yass first reported a position in PACB in Q2 2013 and has held it in 49 quarters since. The position peaked at $15.3M in Q4 2020. 222 funds tracked by Wall St. Rank hold PACB as of Q2 2026.

  • Jeff Yass held 2,129,263 shares of Pacific Biosciences worth $3.58M as of Q2 2026.
  • Jeff Yass bought 410,098 Pacific Biosciences shares in Q2 2026, an estimated $596K.
  • Pacific Biosciences made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #5270 holding.
  • Jeff Yass first reported a position in Pacific Biosciences in Q2 2013 and has held it in 49 quarters since.
  • Jeff Yass's Pacific Biosciences position peaked at $15.3M in Q4 2020.
  • 222 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.