Millennium Management
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Millennium Management’s AnaptysBio ANAB Stock Holding History

Millennium Management’s Portfolio ANAB Stock Details ANAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q4 		– Sell
-90,000
Closed -$8.98M – 3718
2018
Q3 		$8.98M Buy
90,000
+15,000
+20% +$1.24M 0.01% 1393
2018
Q2 		$5.33M Buy
+75,000
New +$6.29M 0.01% 1774

Other funds holding ANAB

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Millennium Management's ANAB Position: Q1 2026 in Review

Millennium Management reduced its AnaptysBio (ANAB) stake by 42% in Q1 2026, selling an estimated $18.2M and leaving 475,572 shares worth $26.4M. The position accounts for 0.01% of the portfolio, ranked #1318.

Millennium Management first reported a position in ANAB in Q1 2017 and has held it in 35 quarters since. The position peaked at $53M in Q2 2019. 207 funds tracked by Wall St. Rank hold ANAB as of Q1 2026.

  • Millennium Management held 475,572 shares of AnaptysBio worth $26.4M as of Q1 2026.
  • Millennium Management sold 337,999 AnaptysBio shares in Q1 2026, an estimated $18.2M.
  • AnaptysBio made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1318 holding.
  • Millennium Management first reported a position in AnaptysBio in Q1 2017 and has held it in 35 quarters since.
  • Millennium Management's AnaptysBio position peaked at $53M in Q2 2019.
  • 207 funds tracked by Wall St. Rank held AnaptysBio as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.