Group One Trading
CTRM icon

Group One Trading’s Castor Maritime CTRM Stock Holding History

Group One Trading’s Portfolio CTRM Stock Details CTRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.24K Sell
671
-2,020
-75% -$4.31K ﹤0.01% 7178
2025
Q4 		$5.57K Buy
2,691
+100
+4% +$209 ﹤0.01% 7135
2025
Q3 		$5.39K Buy
2,591
+217
+9% +$474 ﹤0.01% 7502
2025
Q2 		$5.01K Sell
2,374
-317
-12% -$707 ﹤0.01% 7082
2025
Q1 		$6.13K Buy
+2,691
New +$7.04K ﹤0.01% 6553
2024
Q4 		– Sell
-7,245
Closed -$26.3K – 7388
2024
Q3 		$30.6K Buy
7,245
+4,424
+157% +$20.4K ﹤0.01% 4984
2024
Q2 		$13K Buy
+2,821
New +$11.1K ﹤0.01% 5497
2021
Q4 		– Sell
-485
Closed -$9.96K – 8298
2021
Q3 		$12K Buy
485
+331
+215% +$7.43K ﹤0.01% 7416
2021
Q2 		$4K Buy
+154
New +$6.26K ﹤0.01% 7804

Other funds holding CTRM

TL
TowerView LLC New York $155M AUM 30.14% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
AA
Apriem Advisors Irvine, California $1.05B AUM 22.09% 1-Year Est. Return
CC
Centiva Capital New York $13.6B AUM 20% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
AF
Allworth Financial Folsom, California $24.7B AUM 15.55% 1-Year Est. Return

Group One Trading's CTRM Position: Q1 2026 in Review

Group One Trading reduced its Castor Maritime (CTRM) stake by 75% in Q1 2026, selling an estimated $4.31K and leaving 671 shares worth $1.24K. The position accounts for ﹤0.01% of the portfolio, ranked #7178.

Group One Trading first reported a position in CTRM in Q2 2021 and has held it in 9 quarters since. The position peaked at $30.6K in Q3 2024. 19 funds tracked by Wall St. Rank hold CTRM as of Q1 2026.

  • Group One Trading held 671 shares of Castor Maritime worth $1.24K as of Q1 2026.
  • Group One Trading sold 2,020 Castor Maritime shares in Q1 2026, an estimated $4.31K.
  • Castor Maritime made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #7178 holding.
  • Group One Trading first reported a position in Castor Maritime in Q2 2021 and has held it in 9 quarters since.
  • Group One Trading's Castor Maritime position peaked at $30.6K in Q3 2024.
  • 19 funds tracked by Wall St. Rank held Castor Maritime as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.