Vanguard Portfolio Management
NBBK icon

Vanguard Portfolio Management’s NB Bancorp NBBK Stock Holding History

Vanguard Portfolio Management’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 		$8.39M Buy
397,046
+10,914
+3% +$225K ﹤0.01% 2257
2026
Q1 		$8.14M Buy
+386,132
New +$8.12M ﹤0.01% 2174

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 53.78% 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 $3.37T AUM 44.26% 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

Vanguard Portfolio Management's NBBK Position: Q2 2026 in Review

Vanguard Portfolio Management increased its NB Bancorp (NBBK) stake by 2.8% in Q2 2026, buying an estimated $225K and bringing the position to 397,046 shares worth $8.39M. The position accounts for ﹤0.01% of the portfolio, ranked #2257.

Vanguard Portfolio Management first reported a position in NBBK in Q1 2026 and has held it in 2 quarters since. 159 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

  • Vanguard Portfolio Management held 397,046 shares of NB Bancorp worth $8.39M as of Q2 2026.
  • Vanguard Portfolio Management bought 10,914 NB Bancorp shares in Q2 2026, an estimated $225K.
  • NB Bancorp made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2257 holding.
  • Vanguard Portfolio Management first reported a position in NB Bancorp in Q1 2026 and has held it in 2 quarters since.
  • 159 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.