PEAK6
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PEAK6’s Pacific Biosciences PACB Stock Holding History

PEAK6’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
-1,600,000
Closed -$2.99M – 3148
2025
Q4 		$2.99M Buy
1,600,000
+1,000,000
+167% +$1.92M 0.01% 1214
2025
Q3 		$768K Hold
600,000
– – ﹤0.01% 1960
2025
Q2 		$744K Buy
+600,000
New +$693K ﹤0.01% 1957

Other funds holding PACB

AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 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 $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

PEAK6's PACB Position: Q1 2026 in Review

PEAK6 opened a new position in Pacific Biosciences (PACB) in Q1 2026: 599,022 shares worth $791K. The stake represents ﹤0.01% of the portfolio and ranks #1801 among its holdings. This is a return to the name: PEAK6 previously reported a position in PACB as recently as Q3 2025.

PEAK6 first reported a position in PACB in Q2 2025 and has held it in 3 quarters since. The position peaked at $1.24M in Q2 2025. 229 funds tracked by Wall St. Rank hold PACB as of Q1 2026.

  • PEAK6 held 599,022 shares of Pacific Biosciences worth $791K as of Q1 2026.
  • Pacific Biosciences was a new PEAK6 position in Q1 2026.
  • Pacific Biosciences made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1801 holding.
  • PEAK6 first reported a position in Pacific Biosciences in Q2 2025 and has held it in 3 quarters since.
  • PEAK6's Pacific Biosciences position peaked at $1.24M in Q2 2025.
  • 229 funds tracked by Wall St. Rank held Pacific Biosciences as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.