Russell Investments Group
NBBK icon

Russell Investments Group’s NB Bancorp NBBK Stock Holding History

Russell Investments Group’s Portfolio NBBK Stock Details NBBK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$451K Buy
21,332
+16,988
+391% +$350K ﹤0.01% 2831
2026
Q1 		$91.5K Hold
4,344
– – ﹤0.01% 3117
2025
Q4 		$86.1K Sell
4,344
-2,601
-37% -$49.5K ﹤0.01% 3097
2025
Q3 		$123K Buy
6,945
+6,546
+1,641% +$120K ﹤0.01% 2970
2025
Q2 		$7.13K Buy
399
+311
+353% +$5.25K ﹤0.01% 3390
2025
Q1 		$1.59K Buy
88
+12
+16% +$223 ﹤0.01% 3550
2024
Q4 		$1.37K Buy
76
+42
+124% +$807 ﹤0.01% 3494
2024
Q3 		$631 Buy
+34
New +$601 ﹤0.01% 3539

Other funds holding NBBK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AC
AltraVue Capital Bellevue, Washington $1.39B AUM 53.77% 1-Year Est. Return
PP
Pertento Partners London, United Kingdom $1.86B AUM 53.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $348M AUM 45.13% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $34.3B AUM 22.63% 1-Year Est. Return

Russell Investments Group's NBBK Position: Q2 2026 in Review

Russell Investments Group increased its NB Bancorp (NBBK) stake by 391% in Q2 2026, buying an estimated $350K and bringing the position to 21,332 shares worth $451K. The position accounts for ﹤0.01% of the portfolio, ranked #2831.

Russell Investments Group first reported a position in NBBK in Q3 2024 and has held it in 8 quarters since. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

  • Russell Investments Group held 21,332 shares of NB Bancorp worth $451K as of Q2 2026.
  • Russell Investments Group bought 16,988 NB Bancorp shares in Q2 2026, an estimated $350K.
  • NB Bancorp made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #2831 holding.
  • Russell Investments Group first reported a position in NB Bancorp in Q3 2024 and has held it in 8 quarters since.
  • 161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.