Jane Street
COSM icon

Jane Street’s Cosmos Holdings COSM Stock Holding History

Jane Street’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
Q2 		$53.4K Buy
+289,287
New +$84K ﹤0.01% 10906
2025
Q3 		– Sell
-29,218
Closed -$12.3K – 10880
2025
Q2 		$12.3K Buy
+29,218
New +$12.4K ﹤0.01% 9396
2023
Q4 		– Sell
-26,603
Closed -$41.8K – 9245
2023
Q3 		$41.8K Buy
+26,603
New +$45.7K ﹤0.01% 8189
2023
Q1 		– Sell
-10,179
Closed -$46.4K – 9144
2022
Q4 		$46.4K Buy
+10,179
New +$60.7K ﹤0.01% 8390

Other funds holding COSM

UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SCA
Sassicaia Capital Advisers Jericho, New York $227M AUM 402.2% 1-Year Est. Return
KPWS
Kestra Private Wealth Services Austin, Texas $9.1B AUM 32.09% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Jane Street's COSM Position: Q2 2026 in Review

Jane Street opened a new position in Cosmos Holdings (COSM) in Q2 2026: 289,287 shares worth $53.4K. The stake represents ﹤0.01% of the portfolio and ranks #10906 among its holdings. This is a return to the name: Jane Street previously reported a position in COSM as recently as Q2 2025.

Jane Street first reported a position in COSM in Q4 2022 and has held it in 4 quarters since. 20 funds tracked by Wall St. Rank hold COSM as of Q2 2026.

  • Jane Street held 289,287 shares of Cosmos Holdings worth $53.4K as of Q2 2026.
  • Cosmos Holdings was a new Jane Street position in Q2 2026.
  • Cosmos Holdings made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10906 holding.
  • Jane Street first reported a position in Cosmos Holdings in Q4 2022 and has held it in 4 quarters since.
  • 20 funds tracked by Wall St. Rank held Cosmos Holdings as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.