Jane Street
CMDB

Jane Street’s Costamare Bulkers Holdings CMDB Stock Holding History

Jane Street’s Portfolio CMDB Stock Details CMDB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-44,392
Closed -$687K – 13643
2026
Q1 		$687K Buy
44,392
+7,000
+19% +$118K ﹤0.01% 7311
2025
Q4 		$576K Sell
37,392
-59,180
-61% -$857K ﹤0.01% 7372
2025
Q3 		$1.39M Buy
96,572
+32,739
+51% +$336K ﹤0.01% 5628
2025
Q2 		$553K Buy
+63,833
New +$635K ﹤0.01% 6726

Other funds holding CMDB

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
OIM
Oceanic Investment Management Douglas, Isle Of Man $77.9M AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's CMDB Position: Q2 2026 in Review

Jane Street sold out of Costamare Bulkers Holdings (CMDB) in Q2 2026, closing a stake of 44,392 shares — an estimated $687K sold.

Jane Street first reported a position in CMDB in Q2 2025 and held it in 4 quarters. The position peaked at $1.39M in Q3 2025. 99 funds tracked by Wall St. Rank hold CMDB as of Q2 2026.

  • Jane Street reported no remaining Costamare Bulkers Holdings position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 44,392 Costamare Bulkers Holdings shares in Q2 2026, an estimated $687K.
  • Jane Street first reported a position in Costamare Bulkers Holdings in Q2 2025 and held it in 4 quarters.
  • Jane Street's Costamare Bulkers Holdings position peaked at $1.39M in Q3 2025.
  • 99 funds tracked by Wall St. Rank held Costamare Bulkers Holdings as of Q2 2026.

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