T. Rowe Price Associates
KRRO icon

T. Rowe Price Associates’s Korro Bio KRRO Stock Holding History

T. Rowe Price Associates’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 		$233K Buy
+17,634
New +$219K ﹤0.01% 2957
2021
Q4 		– Sell
-479
Closed -$169K – 3017
2021
Q3 		$169K Buy
479
+26
+6% +$10.2K ﹤0.01% 2760
2021
Q2 		$225K Buy
453
+156
+53% +$76.2K ﹤0.01% 2686
2021
Q1 		$141K Buy
297
+135
+83% +$262K ﹤0.01% 2752
2020
Q4 		$285K Buy
+162
New +$214K ﹤0.01% 2437

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
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 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

T. Rowe Price Associates's KRRO Position: Q2 2026 in Review

T. Rowe Price Associates opened a new position in Korro Bio (KRRO) in Q2 2026: 17,634 shares worth $233K. The stake represents ﹤0.01% of the portfolio and ranks #2957 among its holdings. This is a return to the name: T. Rowe Price Associates previously reported a position in KRRO as recently as Q3 2021.

T. Rowe Price Associates first reported a position in KRRO in Q4 2020 and has held it in 5 quarters since. The position peaked at $285K in Q4 2020. 107 funds tracked by Wall St. Rank hold KRRO as of Q2 2026.

  • T. Rowe Price Associates held 17,634 shares of Korro Bio worth $233K as of Q2 2026.
  • Korro Bio was a new T. Rowe Price Associates position in Q2 2026.
  • Korro Bio made up ﹤0.01% of T. Rowe Price Associates's portfolio in Q2 2026, its #2957 holding.
  • T. Rowe Price Associates first reported a position in Korro Bio in Q4 2020 and has held it in 5 quarters since.
  • T. Rowe Price Associates's Korro Bio position peaked at $285K in Q4 2020.
  • 107 funds tracked by Wall St. Rank held Korro Bio as of Q2 2026.

Based on T. Rowe Price Associates's 13F filing for Q2 2026, filed 14 Aug 2026.