RhumbLine Advisers
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RhumbLine Advisers’s ECB Bancorp ECBK Stock Holding History

RhumbLine Advisers’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 		$164K Sell
9,784
-199
-2% -$3.44K ﹤0.01% 3211
2025
Q4 		$174K Sell
9,983
-1,568
-14% -$26K ﹤0.01% 3239
2025
Q3 		$183K Buy
11,551
+1,485
+15% +$24.1K ﹤0.01% 3270
2025
Q2 		$155K Buy
+10,066
New +$158K ﹤0.01% 3361

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
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 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

RhumbLine Advisers's ECBK Position: Q1 2026 in Review

RhumbLine Advisers reduced its ECB Bancorp (ECBK) stake by 2% in Q1 2026, selling an estimated $3.44K and leaving 9,784 shares worth $164K. The position accounts for ﹤0.01% of the portfolio, ranked #3211.

RhumbLine Advisers first reported a position in ECBK in Q2 2025 and has held it in 4 quarters since. The position peaked at $183K in Q3 2025. 59 funds tracked by Wall St. Rank hold ECBK as of Q1 2026.

  • RhumbLine Advisers held 9,784 shares of ECB Bancorp worth $164K as of Q1 2026.
  • RhumbLine Advisers sold 199 ECB Bancorp shares in Q1 2026, an estimated $3.44K.
  • ECB Bancorp made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #3211 holding.
  • RhumbLine Advisers first reported a position in ECB Bancorp in Q2 2025 and has held it in 4 quarters since.
  • RhumbLine Advisers's ECB Bancorp position peaked at $183K in Q3 2025.
  • 59 funds tracked by Wall St. Rank held ECB Bancorp as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.