Dimensional Fund Advisors
NBBK icon

Dimensional Fund Advisors’s NB Bancorp NBBK Stock Holding History

Dimensional Fund Advisors’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 		$15.9M Buy
753,320
+230,936
+44% +$4.75M ﹤0.01% 2137
2026
Q1 		$11M Buy
522,384
+234,356
+81% +$4.93M ﹤0.01% 2224
2025
Q4 		$5.71M Buy
+288,028
New +$5.48M ﹤0.01% 2488

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 $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
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
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Dimensional Fund Advisors's NBBK Position: Q2 2026 in Review

Dimensional Fund Advisors increased its NB Bancorp (NBBK) stake by 44% in Q2 2026, buying an estimated $4.75M and bringing the position to 753,320 shares worth $15.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2137.

Dimensional Fund Advisors first reported a position in NBBK in Q4 2025 and has held it in 3 quarters since. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

  • Dimensional Fund Advisors held 753,320 shares of NB Bancorp worth $15.9M as of Q2 2026.
  • Dimensional Fund Advisors bought 230,936 NB Bancorp shares in Q2 2026, an estimated $4.75M.
  • NB Bancorp made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #2137 holding.
  • Dimensional Fund Advisors first reported a position in NB Bancorp in Q4 2025 and has held it in 3 quarters since.
  • 161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.