Renaissance Technologies
ECBK icon

Renaissance Technologies’s ECB Bancorp ECBK Stock Holding History

Renaissance Technologies’s Portfolio ECBK Stock Details ECBK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.47M Sell
87,866
-4,534
-5% -$78.5K ﹤0.01% 2059
2025
Q4 		$1.61M Sell
92,400
-2,000
-2% -$33.2K ﹤0.01% 2005
2025
Q3 		$1.5M Buy
94,400
+11,273
+14% +$183K ﹤0.01% 2259
2025
Q2 		$1.28M Buy
83,127
+30,027
+57% +$472K ﹤0.01% 2373
2025
Q1 		$804K Buy
53,100
+1,900
+4% +$27.5K ﹤0.01% 2539
2024
Q4 		$760K Sell
51,200
-200
-0.4% -$2.99K ﹤0.01% 2637
2024
Q3 		$736K Buy
51,400
+15,000
+41% +$202K ﹤0.01% 2606
2024
Q2 		$454K Buy
36,400
+1,300
+4% +$16.1K ﹤0.01% 2737
2024
Q1 		$456K Buy
35,100
+2,800
+9% +$36.5K ﹤0.01% 2901
2023
Q4 		$406K Buy
32,300
+15,800
+96% +$178K ﹤0.01% 2867
2023
Q3 		$181K Buy
+16,500
New +$203K ﹤0.01% 3121

Other funds holding ECBK

AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
S
Sachetta Lynnfield, Massachusetts $206M AUM 26.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
OC
Oppenheimer & Close New York $159M AUM 60.56% 1-Year Est. Return
MCM
Maltese Capital Management New York $508M AUM 21.31% 1-Year Est. Return
CP
Covalent Partners Concord, Massachusetts $17.6M AUM 2.91% 1-Year Est. Return

Renaissance Technologies's ECBK Position: Q1 2026 in Review

Renaissance Technologies reduced its ECB Bancorp (ECBK) stake by 4.9% in Q1 2026, selling an estimated $78.5K and leaving 87,866 shares worth $1.47M. The position accounts for ﹤0.01% of the portfolio, ranked #2059.

Renaissance Technologies first reported a position in ECBK in Q3 2023 and has held it in 11 quarters since. The position peaked at $1.61M in Q4 2025. 59 funds tracked by Wall St. Rank hold ECBK as of Q1 2026.

  • Renaissance Technologies held 87,866 shares of ECB Bancorp worth $1.47M as of Q1 2026.
  • Renaissance Technologies sold 4,534 ECB Bancorp shares in Q1 2026, an estimated $78.5K.
  • ECB Bancorp made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2059 holding.
  • Renaissance Technologies first reported a position in ECB Bancorp in Q3 2023 and has held it in 11 quarters since.
  • Renaissance Technologies's ECB Bancorp position peaked at $1.61M in Q4 2025.
  • 59 funds tracked by Wall St. Rank held ECB Bancorp as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.