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 		$98.6K Buy
53,300
+27,000
+103% +$57.6K ﹤0.01% 4741
2025
Q4 		$54.4K Buy
26,300
+23,300
+777% +$48.6K ﹤0.01% 5534
2025
Q3 		$6.24K Buy
3,000
+2,800
+1,400% +$6.11K ﹤0.01% 7436
2025
Q2 		$422 Sell
200
-1,500
-88% -$3.35K ﹤0.01% 7682
2025
Q1 		$3.88K Sell
1,700
-100
-6% -$261 ﹤0.01% 6746
2024
Q4 		$4.95K Buy
1,800
+1,700
+1,700% +$6.17K ﹤0.01% 6418
2024
Q3 		$422 Buy
+100
New +$462 ﹤0.01% 6399
2023
Q4 		– Sell
-11,780
Closed -$50.8K – 7513
2023
Q3 		$50.8K Sell
11,780
-1,880
-14% -$8.32K ﹤0.01% 5085
2023
Q2 		$61.3K Buy
13,660
+2,720
+25% +$16.4K ﹤0.01% 5100
2023
Q1 		$86.4K Buy
10,940
+1,310
+14% +$14.4K ﹤0.01% 4424
2022
Q4 		$108K Sell
9,630
-56,890
-86% -$710K ﹤0.01% 4374
2022
Q3 		$745K Buy
66,520
+1,880
+3% +$26.9K ﹤0.01% 2860
2022
Q2 		$866K Buy
64,640
+29,210
+82% +$541K ﹤0.01% 2897
2022
Q1 		$652K Buy
35,430
+11,350
+47% +$175K ﹤0.01% 3526
2021
Q4 		$342K Buy
24,080
+11,970
+99% +$246K ﹤0.01% 4534
2021
Q3 		$295K Buy
12,110
+6,880
+132% +$154K ﹤0.01% 4766
2021
Q2 		$136K Buy
+5,230
New +$213K ﹤0.01% 5640

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.