Optiver Holding
KRRO icon

Optiver Holding’s Korro Bio KRRO Stock Holding History

Optiver Holding’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 		$791 Hold
60
– – ﹤0.01% 2532
2026
Q1 		$679 Sell
60
-56
-48% -$616 ﹤0.01% 2123
2025
Q4 		$929 Hold
116
– – ﹤0.01% 2219
2025
Q3 		$5.55K Buy
+116
New +$2.57K ﹤0.01% 1658

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

Optiver Holding's KRRO Position: Q2 2026 in Review

Optiver Holding held its Korro Bio (KRRO) position steady in Q2 2026 at 60 shares worth $791. The position accounts for ﹤0.01% of the portfolio, ranked #2532.

Optiver Holding first reported a position in KRRO in Q3 2025 and has held it in 4 quarters since. The position peaked at $5.55K in Q3 2025. 106 funds tracked by Wall St. Rank hold KRRO as of Q2 2026.

  • Optiver Holding held 60 shares of Korro Bio worth $791 as of Q2 2026.
  • Optiver Holding left its Korro Bio share count unchanged in Q2 2026.
  • Korro Bio made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2532 holding.
  • Optiver Holding first reported a position in Korro Bio in Q3 2025 and has held it in 4 quarters since.
  • Optiver Holding's Korro Bio position peaked at $5.55K in Q3 2025.
  • 106 funds tracked by Wall St. Rank held Korro Bio as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.