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
Q2 		$204K Buy
10,154
+370
+4% +$6.84K ﹤0.01% 3267
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 $302B AUM 26.44% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
S
Sachetta Lynnfield, Massachusetts $206M AUM 26.19% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
OC
Oppenheimer & Close New York $159M AUM 49.98% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
MCM
Maltese Capital Management New York $549M AUM 32.66% 1-Year Est. Return

RhumbLine Advisers's ECBK Position: Q2 2026 in Review

RhumbLine Advisers increased its ECB Bancorp (ECBK) stake by 3.8% in Q2 2026, buying an estimated $6.84K and bringing the position to 10,154 shares worth $204K. The position accounts for ﹤0.01% of the portfolio, ranked #3267.

RhumbLine Advisers first reported a position in ECBK in Q2 2025 and has held it in 5 quarters since. 60 funds tracked by Wall St. Rank hold ECBK as of Q2 2026.

  • RhumbLine Advisers held 10,154 shares of ECB Bancorp worth $204K as of Q2 2026.
  • RhumbLine Advisers bought 370 ECB Bancorp shares in Q2 2026, an estimated $6.84K.
  • ECB Bancorp made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #3267 holding.
  • RhumbLine Advisers first reported a position in ECB Bancorp in Q2 2025 and has held it in 5 quarters since.
  • 60 funds tracked by Wall St. Rank held ECB Bancorp as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.