XT
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XTX Topco’s Arcturus Therapeutics ARCT Stock Holding History

XTX Topco’s Portfolio ARCT Stock Details ARCT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$197K Buy
+29,282
New +$231K ﹤0.01% 3266
2026
Q1 		– Sell
-82,155
Closed -$504K – 3817
2025
Q4 		$504K Buy
+82,155
New +$887K 0.01% 1594
2024
Q4 		– Sell
-36,990
Closed -$859K – 2267
2024
Q3 		$859K Buy
36,990
+12,509
+51% +$268K 0.06% 493
2024
Q2 		$596K Buy
+24,481
New +$742K 0.05% 575

Other funds holding ARCT

Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.75B AUM 33.73% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

XTX Topco's ARCT Position: Q2 2026 in Review

XTX Topco opened a new position in Arcturus Therapeutics (ARCT) in Q2 2026: 29,282 shares worth $197K. The stake represents ﹤0.01% of the portfolio and ranks #3266 among its holdings. This is a return to the name: XTX Topco previously reported a position in ARCT as recently as Q4 2025.

XTX Topco first reported a position in ARCT in Q2 2024 and has held it in 4 quarters since. The position peaked at $859K in Q3 2024. 135 funds tracked by Wall St. Rank hold ARCT as of Q2 2026.

  • XTX Topco held 29,282 shares of Arcturus Therapeutics worth $197K as of Q2 2026.
  • Arcturus Therapeutics was a new XTX Topco position in Q2 2026.
  • Arcturus Therapeutics made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3266 holding.
  • XTX Topco first reported a position in Arcturus Therapeutics in Q2 2024 and has held it in 4 quarters since.
  • XTX Topco's Arcturus Therapeutics position peaked at $859K in Q3 2024.
  • 135 funds tracked by Wall St. Rank held Arcturus Therapeutics as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.