Korro Bio (KRRO) Tax Rate (2020 - 2026)

Korro Bio's (KRRO) quarterly Tax Rate came in at 0.49% in Q1 2026, up 98.64% on a QoQ basis from 35.8% in Q4 2025.

Korro Bio (KRRO) Tax Rate (2020 - 2026) Analysis & Trends

Korro Bio (KRRO) has 7 years of Tax Rate data on file, last reported at 0.49% in Q1 2026.

Quarterly Tax Rate changed N/A year-over-year to 0.49% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 483.07% (down 47979.0% YoY) and the FY2025 annual result came in at 2052.81%, down 228781.0% from the prior year.
Tax Rate climbed to 0.49% in Q1 2026, from 35.8% in the prior quarter.
In the past five years, Tax Rate ranged from a high of 0.31% in Q4 2022 to a low of 35.8% in Q4 2025.
A 5-year average of 3.01% and a median of 0.03% in 2022 frame the typical range for Tax Rate.
Annual changes were most pronounced in 2022 — Tax Rate soared 32 bps — and 2025, when it tumbled 3597 bps.
Tracing KRRO's Tax Rate over 5 years: stood at 0.31% in 2022, then plunged by 150 bps to 0.15% in 2023, then jumped by 208 bps to 0.17% in 2024, then plunged by 21790 bps to 35.8% in 2025, then surged by 99 bps to 0.49% in 2026.
The last three Tax Rate figures came in at 0.49% (Q1 2026), 35.8% (Q4 2025), and 0.0% (Q2 2025), per Business Quant data.

#	Company	Market Cap	Enterprise Value	Gross Profit (Qtr)	Tax Rate (Qtr)
1	Vertex Pharmaceuticals	137.11 Bn	129.26 Bn	2.84 Bn	20.98%
2	Regeneron Pharmaceuticals	84.98 Bn	76.99 Bn	3.93 Bn	15.11%
3	Argenx Se	64.52 Bn	59.33 Bn	1.37 Bn	10.91%
4	Moderna	53.23 Bn	48.09 Bn	52.00 Mn	-1.96%
5	BeOne Medicines	41.23 Bn	36.14 Bn	1.53 Bn	24.15%
6	Alnylam Pharmaceuticals	30.65 Bn	27.34 Bn	992.69 Mn	7.49%
7	Insmed	27.15 Bn	25.99 Bn	358.27 Mn	-16.71%
8	Royalty Pharma	26.98 Bn	26.14 Bn	-	-
9	BioNTech SE	26.78 Bn	8.39 Bn	668.28 Mn	34.12%
10	Korro Bio	228.60 Mn	113.56 Mn	-	-0.57%

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