Aberdeen Group
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Aberdeen Group’s Korro Bio KRRO Stock Holding History

Aberdeen Group’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
2025
Q4 		– Sell
-57,983
Closed -$2.78M – 965
2025
Q3 		$2.78M Sell
57,983
-26,445
-31% -$587K ﹤0.01% 751
2025
Q2 		$1.05M Hold
84,428
– – ﹤0.01% 826
2025
Q1 		$1.47M Buy
+84,428
New +$2.5M ﹤0.01% 787

Other funds holding KRRO

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
LCM
Lynx1 Capital Management San Juan, Puerto Rico $633M AUM 173.22% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
7IH
72 Investment Holdings Stamford, Connecticut $49.6M AUM 684.72% 1-Year Est. Return

Aberdeen Group's KRRO Position: Q4 2025 in Review

Aberdeen Group sold out of Korro Bio (KRRO) in Q4 2025, closing a stake of 57,983 shares — an estimated $2.78M sold.

Aberdeen Group first reported a position in KRRO in Q1 2025 and held it in 3 quarters. The position peaked at $2.78M in Q3 2025. 83 funds tracked by Wall St. Rank hold KRRO as of Q4 2025.

  • Aberdeen Group reported no remaining Korro Bio position as of Q4 2025 after selling out during the quarter.
  • Aberdeen Group sold 57,983 Korro Bio shares in Q4 2025, an estimated $2.78M.
  • Aberdeen Group first reported a position in Korro Bio in Q1 2025 and held it in 3 quarters.
  • Aberdeen Group's Korro Bio position peaked at $2.78M in Q3 2025.
  • 83 funds tracked by Wall St. Rank held Korro Bio as of Q4 2025.

Based on Aberdeen Group's 13F filing for Q4 2025, filed 16 Jan 2026.