XT
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XTX Topco’s Korro Bio KRRO Stock Holding History

XTX Topco’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
Q1 		$685K Buy
60,472
+3,405
+6% +$37.5K 0.01% 1743
2025
Q4 		$457K Buy
57,067
+13,529
+31% +$316K 0.01% 1688
2025
Q3 		$0 Buy
+43,538
New +$966K ﹤0.01% 2927
2025
Q2 		– Sell
-10,600
Closed -$185K – 2796
2025
Q1 		$185K Buy
+10,600
New +$314K 0.01% 1722
2023
Q4 		– Sell
-601
Closed -$11K – 1858
2023
Q3 		$11K Buy
+601
New +$15.1K ﹤0.01% 1418

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

XTX Topco's KRRO Position: Q1 2026 in Review

XTX Topco increased its Korro Bio (KRRO) stake by 6% in Q1 2026, buying an estimated $37.5K and bringing the position to 60,472 shares worth $685K. The position accounts for 0.01% of the portfolio, ranked #1743.

XTX Topco first reported a position in KRRO in Q3 2023 and has held it in 5 quarters since. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

  • XTX Topco held 60,472 shares of Korro Bio worth $685K as of Q1 2026.
  • XTX Topco bought 3,405 Korro Bio shares in Q1 2026, an estimated $37.5K.
  • Korro Bio made up 0.01% of XTX Topco's portfolio in Q1 2026, its #1743 holding.
  • XTX Topco first reported a position in Korro Bio in Q3 2023 and has held it in 5 quarters since.
  • 99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.