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Tower Research Capital (TRC)’s Korro Bio KRRO Stock Holding History

Tower Research Capital (TRC)’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 		$18.6K Buy
1,644
+253
+18% +$2.79K ﹤0.01% 3524
2025
Q4 		$11.1K Buy
1,391
+353
+34% +$8.25K ﹤0.01% 3643
2025
Q3 		$49.7K Sell
1,038
-1,671
-62% -$37.1K ﹤0.01% 2532
2025
Q2 		$33.8K Buy
2,709
+1,945
+255% +$28K ﹤0.01% 3312
2025
Q1 		$13.3K Buy
764
+486
+175% +$14.4K ﹤0.01% 3380
2024
Q4 		$10.6K Sell
278
-156
-36% -$8.02K ﹤0.01% 3792
2024
Q3 		$14.5K Buy
+434
New +$18.3K ﹤0.01% 3459
2024
Q2 		– Sell
-50
Closed -$4.5K – 5867
2024
Q1 		$4.5K Sell
50
-3,912
-99% -$213K ﹤0.01% 4673
2023
Q4 		$190K Buy
+3,962
New +$131K ﹤0.01% 2144
2023
Q3 		– Sell
-265
Closed -$4.58K – 6107
2023
Q2 		$4.58K Sell
265
-5
-2% -$97 ﹤0.01% 4932
2023
Q1 		$7K Buy
270
+212
+366% +$24.2K ﹤0.01% 4749
2022
Q4 		$11K Sell
58
-125
-68% -$12.9K ﹤0.01% 3832
2022
Q3 		$16K Buy
183
+29
+19% +$2.94K ﹤0.01% 4130
2022
Q2 		$12K Buy
154
+25
+19% +$1.69K ﹤0.01% 4286
2022
Q1 		$14K Buy
129
+63
+95% +$12K ﹤0.01% 3898
2021
Q4 		$17K Buy
66
+45
+214% +$13.7K ﹤0.01% 3851
2021
Q3 		$8K Sell
21
-25
-54% -$9.84K ﹤0.01% 4544
2021
Q2 		$23K Buy
46
+10
+28% +$4.88K ﹤0.01% 3758
2021
Q1 		$17K Sell
36
-47
-57% -$91.3K ﹤0.01% 4008
2020
Q4 		$146K Sell
83
-381
-82% -$503K ﹤0.01% 2009
2020
Q3 		$446K Buy
464
+415
+847% +$445K ﹤0.01% 1803
2020
Q2 		$56K Buy
+49
New +$44.3K ﹤0.01% 2965
2020
Q1 		– Sell
-118
Closed -$103K – 3505
2019
Q4 		$103K Buy
+118
New +$91.8K 0.01% 921

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

Tower Research Capital (TRC)'s KRRO Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Korro Bio (KRRO) stake by 18% in Q1 2026, buying an estimated $2.79K and bringing the position to 1,644 shares worth $18.6K. The position accounts for ﹤0.01% of the portfolio, ranked #3524.

Tower Research Capital (TRC) first reported a position in KRRO in Q4 2019 and has held it in 23 quarters since. The position peaked at $446K in Q3 2020. 99 funds tracked by Wall St. Rank hold KRRO as of Q1 2026.

  • Tower Research Capital (TRC) held 1,644 shares of Korro Bio worth $18.6K as of Q1 2026.
  • Tower Research Capital (TRC) bought 253 Korro Bio shares in Q1 2026, an estimated $2.79K.
  • Korro Bio made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3524 holding.
  • Tower Research Capital (TRC) first reported a position in Korro Bio in Q4 2019 and has held it in 23 quarters since.
  • Tower Research Capital (TRC)'s Korro Bio position peaked at $446K in Q3 2020.
  • 99 funds tracked by Wall St. Rank held Korro Bio as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.