XT
COSM icon

XTX Topco’s Cosmos Holdings COSM Stock Holding History

XTX Topco’s Portfolio COSM Stock Details COSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$12.8K Sell
40,477
-59,133
-59% -$24.8K ﹤0.01% 3644
2025
Q4 		$49.6K Buy
99,610
+34,117
+52% +$25.4K ﹤0.01% 2836
2025
Q3 		$72.7K Buy
65,493
+28,791
+78% +$22K ﹤0.01% 2089
2025
Q2 		$15.4K Buy
+36,702
New +$15.5K ﹤0.01% 2203
2025
Q1 		– Sell
-32,617
Closed -$21.8K – 2509
2024
Q4 		$21.8K Buy
+32,617
New +$23.9K ﹤0.01% 2028
2024
Q1 		– Sell
-20,309
Closed -$28.6K – 1907
2023
Q4 		$28.6K Buy
+20,309
New +$23.3K 0.01% 1318

Other funds holding COSM

Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

XTX Topco's COSM Position: Q1 2026 in Review

XTX Topco reduced its Cosmos Holdings (COSM) stake by 59% in Q1 2026, selling an estimated $24.8K and leaving 40,477 shares worth $12.8K. The position accounts for ﹤0.01% of the portfolio, ranked #3644.

XTX Topco first reported a position in COSM in Q4 2023 and has held it in 6 quarters since. The position peaked at $72.7K in Q3 2025. 21 funds tracked by Wall St. Rank hold COSM as of Q1 2026.

  • XTX Topco held 40,477 shares of Cosmos Holdings worth $12.8K as of Q1 2026.
  • XTX Topco sold 59,133 Cosmos Holdings shares in Q1 2026, an estimated $24.8K.
  • Cosmos Holdings made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #3644 holding.
  • XTX Topco first reported a position in Cosmos Holdings in Q4 2023 and has held it in 6 quarters since.
  • XTX Topco's Cosmos Holdings position peaked at $72.7K in Q3 2025.
  • 21 funds tracked by Wall St. Rank held Cosmos Holdings as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.