Jane Street
QUCY

Jane Street’s Quantum Cyber N.V. QUCY Stock Holding History

Jane Street’s Portfolio QUCY Stock Details QUCY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.63K Sell
16,093
-2,344
-13% -$2.06K ﹤0.01% 11329
2025
Q4 		$20.6K Buy
+18,437
New +$24.3K ﹤0.01% 10718
2024
Q4 		– Sell
-364
Closed -$3.63K – 10152
2024
Q3 		$3.63K Buy
+364
New +$5.04K ﹤0.01% 9417

Other funds holding QUCY

UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return
SPIA
Steward Partners Investment Advisory New York $19.6B AUM 22.89% 1-Year Est. Return
VF
Virtu Financial New York $2.41B AUM 48.35% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
HI
Harbour Investments Madison, Wisconsin $6.48B AUM 18.23% 1-Year Est. Return
JAG
Journey Advisory Group Covington, Kentucky $1.17B AUM 20.21% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
PWA
Provenance Wealth Advisors Fort Lauderdale, Florida $1.05B AUM 18.67% 1-Year Est. Return

Jane Street's QUCY Position: Q1 2026 in Review

Jane Street reduced its Quantum Cyber N.V. (QUCY) stake by 13% in Q1 2026, selling an estimated $2.06K and leaving 16,093 shares worth $7.63K. The position accounts for ﹤0.01% of the portfolio, ranked #11329.

Jane Street first reported a position in QUCY in Q3 2024 and has held it in 3 quarters since. The position peaked at $20.6K in Q4 2025. 18 funds tracked by Wall St. Rank hold QUCY as of Q1 2026.

  • Jane Street held 16,093 shares of Quantum Cyber N.V. worth $7.63K as of Q1 2026.
  • Jane Street sold 2,344 Quantum Cyber N.V. shares in Q1 2026, an estimated $2.06K.
  • Quantum Cyber N.V. made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11329 holding.
  • Jane Street first reported a position in Quantum Cyber N.V. in Q3 2024 and has held it in 3 quarters since.
  • Jane Street's Quantum Cyber N.V. position peaked at $20.6K in Q4 2025.
  • 18 funds tracked by Wall St. Rank held Quantum Cyber N.V. as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.