Millennium Management
KRRO icon

Millennium Management’s Korro Bio KRRO Stock Holding History

Millennium Management’s Portfolio KRRO Stock Details KRRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q2 		– Sell
-300
Closed -$143K – 6813
2021
Q1 		$143K Buy
+300
New +$583K ﹤0.01% 5606

Other funds holding KRRO

LCM
Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
VA
VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $1.94B AUM 374.45% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Millennium Management's KRRO Position: Q1 2026 in Review

Millennium Management reduced its Korro Bio (KRRO) stake by 61% in Q1 2026, selling an estimated $1.07M and leaving 63,606 shares worth $720K. The position accounts for ﹤0.01% of the portfolio, ranked #4589.

Millennium Management first reported a position in KRRO in Q4 2019 and has held it in 21 quarters since. The position peaked at $12.5M in Q3 2025. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

  • Millennium Management held 63,606 shares of Korro Bio worth $720K as of Q1 2026.
  • Millennium Management sold 97,486 Korro Bio shares in Q1 2026, an estimated $1.07M.
  • Korro Bio made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4589 holding.
  • Millennium Management first reported a position in Korro Bio in Q4 2019 and has held it in 21 quarters since.
  • Millennium Management's Korro Bio position peaked at $12.5M in Q3 2025.
  • 99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

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