PEAK6
PACB icon

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

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 $3.38T AUM 44.17% 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

PEAK6's PACB Position: Q2 2026 in Review

PEAK6 reduced its Pacific Biosciences (PACB) stake by 7.3% in Q2 2026, selling an estimated $63.2K and leaving 555,552 shares worth $933K. The position accounts for ﹤0.01% of the portfolio, ranked #1723.

PEAK6 first reported a position in PACB in Q2 2025 and has held it in 4 quarters since. The position peaked at $1.24M in Q2 2025. 223 funds tracked by Wall St. Rank hold PACB as of Q2 2026.

  • PEAK6 held 555,552 shares of Pacific Biosciences worth $933K as of Q2 2026.
  • PEAK6 sold 43,470 Pacific Biosciences shares in Q2 2026, an estimated $63.2K.
  • Pacific Biosciences made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #1723 holding.
  • PEAK6 first reported a position in Pacific Biosciences in Q2 2025 and has held it in 4 quarters since.
  • PEAK6's Pacific Biosciences position peaked at $1.24M in Q2 2025.
  • 223 funds tracked by Wall St. Rank held Pacific Biosciences as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.