Renaissance Technologies
CTRM icon

Renaissance Technologies’s Castor Maritime CTRM Stock Holding History

Renaissance Technologies’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
Q2 		$136K Sell
64,817
-9,052
-12% -$18K ﹤0.01% 2942
2026
Q1 		$137K Buy
73,869
+33,300
+82% +$71K ﹤0.01% 2980
2025
Q4 		$84K Sell
40,569
-2,100
-5% -$4.38K ﹤0.01% 3030
2025
Q3 		$88.8K Buy
42,669
+2,000
+5% +$4.37K ﹤0.01% 3271
2025
Q2 		$87K Buy
40,669
+1,000
+3% +$2.23K ﹤0.01% 3322
2025
Q1 		$90.4K Hold
39,669
– – ﹤0.01% 3212
2024
Q4 		$109K Buy
39,669
+3,300
+9% +$12K ﹤0.01% 3275
2024
Q3 		$153K Buy
36,369
+6,900
+23% +$31.9K ﹤0.01% 3178
2024
Q2 		$136K Buy
29,469
+8,400
+40% +$33.1K ﹤0.01% 3128
2024
Q1 		$72K Buy
21,069
+4,869
+30% +$22.3K ﹤0.01% 3429
2023
Q4 		$69K Buy
16,200
+3,060
+23% +$11.7K ﹤0.01% 3389
2023
Q3 		$57K Sell
13,140
-940
-7% -$4.16K ﹤0.01% 3377
2023
Q2 		$63K Sell
14,080
-330
-2% -$1.99K ﹤0.01% 3572
2023
Q1 		$114K Sell
14,410
-19,625
-58% -$216K ﹤0.01% 3449
2022
Q4 		$381K Buy
34,035
+1,795
+6% +$22.4K ﹤0.01% 3110
2022
Q3 		$361K Buy
32,240
+23,760
+280% +$340K ﹤0.01% 3111
2022
Q2 		$114K Buy
8,480
+6,810
+408% +$126K ﹤0.01% 3814
2022
Q1 		$31K Sell
1,670
-114,269
-99% -$1.77M ﹤0.01% 3965
2021
Q4 		$1.65M Buy
115,939
+46,244
+66% +$949K ﹤0.01% 2290
2021
Q3 		$1.7M Sell
69,695
-103,430
-60% -$2.32M ﹤0.01% 2211
2021
Q2 		$4.51M Buy
173,125
+105,131
+155% +$4.27M 0.01% 1699
2021
Q1 		$5.17M Buy
67,994
+63,193
+1,316% +$4.95M 0.01% 1635
2020
Q4 		$89K Sell
4,801
-11,907
-71% -$185K ﹤0.01% 3265
2020
Q3 		$257K Buy
16,708
+7,616
+84% +$152K ﹤0.01% 3047
2020
Q2 		$364K Buy
9,092
+7,893
+658% +$513K ﹤0.01% 2978
2020
Q1 		$82K Buy
1,199
+365
+44% +$44K ﹤0.01% 3259
2019
Q4 		$154K Buy
834
+534
+178% +$147K ﹤0.01% 3242
2019
Q3 		$87K Buy
+300
New +$98.4K ﹤0.01% 3274

Other funds holding CTRM

TL
TowerView LLC New York $152M AUM 20.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
NA
NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
AA
Apriem Advisors Irvine, California $1.16B AUM 27.46% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
CC
Centiva Capital New York $11.5B AUM 31.97% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

Renaissance Technologies's CTRM Position: Q2 2026 in Review

Renaissance Technologies reduced its Castor Maritime (CTRM) stake by 12% in Q2 2026, selling an estimated $18K and leaving 64,817 shares worth $136K. The position accounts for ﹤0.01% of the portfolio, ranked #2942.

Renaissance Technologies first reported a position in CTRM in Q3 2019 and has held it in 28 quarters since. The position peaked at $5.17M in Q1 2021. 25 funds tracked by Wall St. Rank hold CTRM as of Q2 2026.

  • Renaissance Technologies held 64,817 shares of Castor Maritime worth $136K as of Q2 2026.
  • Renaissance Technologies sold 9,052 Castor Maritime shares in Q2 2026, an estimated $18K.
  • Castor Maritime made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #2942 holding.
  • Renaissance Technologies first reported a position in Castor Maritime in Q3 2019 and has held it in 28 quarters since.
  • Renaissance Technologies's Castor Maritime position peaked at $5.17M in Q1 2021.
  • 25 funds tracked by Wall St. Rank held Castor Maritime as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.