RhumbLine Advisers
KRRO icon

RhumbLine Advisers’s Korro Bio KRRO Stock Holding History

RhumbLine Advisers’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 		$163K Buy
12,401
+2,551
+26% +$31.7K ﹤0.01% 3365
2026
Q1 		$111K Sell
9,850
-400
-4% -$4.4K ﹤0.01% 3364
2025
Q4 		$82.1K Buy
10,250
+907
+10% +$21.2K ﹤0.01% 3536
2025
Q3 		$447K Sell
9,343
-168
-2% -$3.73K ﹤0.01% 2768
2025
Q2 		$119K Buy
9,511
+442
+5% +$6.37K ﹤0.01% 3473
2025
Q1 		$158K Sell
9,069
-533
-6% -$15.8K ﹤0.01% 3221
2024
Q4 		$366K Buy
9,602
+691
+8% +$35.5K ﹤0.01% 2867
2024
Q3 		$298K Buy
8,911
+684
+8% +$28.8K ﹤0.01% 3029
2024
Q2 		$279K Buy
+8,227
New +$455K ﹤0.01% 3043
2023
Q3 		– Sell
-21
Closed -$366 – 4337
2023
Q2 		$366 Buy
+21
New +$407 ﹤0.01% 4331
2022
Q2 		– Sell
-815
Closed -$86K – 3173
2022
Q1 		$86K Sell
815
-59
-7% -$11.3K ﹤0.01% 2913
2021
Q4 		$224K Sell
874
-23
-3% -$6.99K ﹤0.01% 2804
2021
Q3 		$317K Buy
897
+22
+3% +$8.66K ﹤0.01% 2745
2021
Q2 		$436K Buy
875
+261
+43% +$127K ﹤0.01% 2626
2021
Q1 		$292K Sell
614
-36
-6% -$69.9K ﹤0.01% 2704
2020
Q4 		$1.15M Buy
650
+34
+6% +$44.9K ﹤0.01% 2077
2020
Q3 		$592K Sell
616
-116
-16% -$125K ﹤0.01% 2210
2020
Q2 		$851K Buy
+732
New +$661K ﹤0.01% 2109

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

RhumbLine Advisers's KRRO Position: Q2 2026 in Review

RhumbLine Advisers increased its Korro Bio (KRRO) stake by 26% in Q2 2026, buying an estimated $31.7K and bringing the position to 12,401 shares worth $163K. The position accounts for ﹤0.01% of the portfolio, ranked #3365.

RhumbLine Advisers first reported a position in KRRO in Q2 2020 and has held it in 18 quarters since. The position peaked at $1.15M in Q4 2020. 106 funds tracked by Wall St. Rank hold KRRO as of Q2 2026.

  • RhumbLine Advisers held 12,401 shares of Korro Bio worth $163K as of Q2 2026.
  • RhumbLine Advisers bought 2,551 Korro Bio shares in Q2 2026, an estimated $31.7K.
  • Korro Bio made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #3365 holding.
  • RhumbLine Advisers first reported a position in Korro Bio in Q2 2020 and has held it in 18 quarters since.
  • RhumbLine Advisers's Korro Bio position peaked at $1.15M in Q4 2020.
  • 106 funds tracked by Wall St. Rank held Korro Bio as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.