Mariner
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Mariner’s Pacific Biosciences PACB Stock Holding History

Mariner’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
Q1 		– Sell
-40,004
Closed -$74.8K – 3750
2025
Q4 		$74.8K Buy
40,004
+28,608
+251% +$55K ﹤0.01% 3369
2025
Q3 		$14.6K Sell
11,396
-4,030
-26% -$5.46K ﹤0.01% 3525
2025
Q2 		$19.1K Sell
15,426
-1,431
-8% -$1.65K ﹤0.01% 3425
2025
Q1 		$19.9K Sell
16,857
-12,907
-43% -$19.8K ﹤0.01% 3381
2024
Q4 		$54.5K Buy
29,764
+118
+0.4% +$230 ﹤0.01% 3278
2024
Q3 		$50.4K Sell
29,646
-8,445
-22% -$13.9K ﹤0.01% 3192
2024
Q2 		$52.2K Buy
38,091
+16,640
+78% +$33.6K ﹤0.01% 3052
2024
Q1 		$80.4K Buy
21,451
+10,090
+89% +$59.1K ﹤0.01% 2967
2023
Q4 		$111K Buy
11,361
+416
+4% +$3.4K ﹤0.01% 2838
2023
Q3 		$91.4K Buy
+10,945
New +$125K ﹤0.01% 2691
2021
Q1 		– Sell
-53,775
Closed -$1.4M – 881
2020
Q4 		$1.4M Sell
53,775
-99,972
-65% -$1.7M 0.01% 499
2020
Q3 		$1.52M Sell
153,747
-50,000
-25% -$288K 0.01% 420
2020
Q2 		$703K Hold
203,747
– – 0.01% 546
2020
Q1 		$623K Buy
+203,747
New +$834K 0.01% 548

Other funds holding PACB

AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
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
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
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
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Mariner's PACB Position: Q1 2026 in Review

Mariner sold out of Pacific Biosciences (PACB) in Q1 2026, closing a stake of 40,004 shares — an estimated $74.8K sold.

Mariner first reported a position in PACB in Q1 2020 and held it in 14 quarters. The position peaked at $1.52M in Q3 2020. 231 funds tracked by Wall St. Rank hold PACB as of Q1 2026.

  • Mariner reported no remaining Pacific Biosciences position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 40,004 Pacific Biosciences shares in Q1 2026, an estimated $74.8K.
  • Mariner first reported a position in Pacific Biosciences in Q1 2020 and held it in 14 quarters.
  • Mariner's Pacific Biosciences position peaked at $1.52M in Q3 2020.
  • 231 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.