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Atlas Venture Life Science Advisors’s Korro Bio KRRO Stock Holding History

Atlas Venture Life Science Advisors’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
2026
Q2 		$12.7M Sell
962,884
-174,265
-15% -$2.17M 1.44% 7
2026
Q1 		$12.9M Hold
1,137,149
– – 1.63% 6
2025
Q4 		$9.11M Hold
1,137,149
– – 1.05% 6
2025
Q3 		$54.5M Hold
1,137,149
– – 7.24% 5
2025
Q2 		$14.2M Hold
1,137,149
– – 2.14% 8
2025
Q1 		$19.8M Hold
1,137,149
– – 3.79% 7
2024
Q4 		$43.3M Hold
1,137,149
– – 5.28% 6
2024
Q3 		$38M Hold
1,137,149
– – 3.52% 7
2024
Q2 		$38.5M Buy
1,137,149
+17,857
+2% +$987K 4.06% 6
2024
Q1 		$101M Hold
1,119,292
– – 9.3% 6
2023
Q4 		$53.6M Buy
+1,119,292
New +$36.9M 6.39% 6

Other funds holding KRRO

LCM
Lynx1 Capital Management San Juan, Puerto Rico $866M AUM 231.68% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
VA
VR Adviser New York $3.3B AUM 525.74% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AAA
Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Atlas Venture Life Science Advisors's KRRO Position: Q2 2026 in Review

Atlas Venture Life Science Advisors reduced its Korro Bio (KRRO) stake by 15% in Q2 2026, selling an estimated $2.17M and leaving 962,884 shares worth $12.7M. The position accounts for 1.44% of the portfolio, ranked #7.

Atlas Venture Life Science Advisors first reported a position in KRRO in Q4 2023 and has held it in 11 quarters since. The position peaked at $101M in Q1 2024. 106 funds tracked by Wall St. Rank hold KRRO as of Q2 2026.

  • Atlas Venture Life Science Advisors held 962,884 shares of Korro Bio worth $12.7M as of Q2 2026.
  • Atlas Venture Life Science Advisors sold 174,265 Korro Bio shares in Q2 2026, an estimated $2.17M.
  • Korro Bio made up 1.44% of Atlas Venture Life Science Advisors's portfolio in Q2 2026, its #7 holding.
  • Atlas Venture Life Science Advisors first reported a position in Korro Bio in Q4 2023 and has held it in 11 quarters since.
  • Atlas Venture Life Science Advisors's Korro Bio position peaked at $101M in Q1 2024.
  • 106 funds tracked by Wall St. Rank held Korro Bio as of Q2 2026.

Based on Atlas Venture Life Science Advisors's 13F filing for Q2 2026, filed 13 Aug 2026.