American Century Companies
NBBK icon

American Century Companies’s NB Bancorp NBBK Stock Holding History

American Century Companies’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 		$5.53M Sell
261,866
-1,790
-0.7% -$36.8K ﹤0.01% 1838
2026
Q1 		$5.56M Buy
263,656
+41,801
+19% +$879K ﹤0.01% 1731
2025
Q4 		$4.4M Buy
221,855
+84,542
+62% +$1.61M ﹤0.01% 1778
2025
Q3 		$2.42M Buy
137,313
+75,378
+122% +$1.38M ﹤0.01% 1997
2025
Q2 		$1.11M Buy
61,935
+36,238
+141% +$612K ﹤0.01% 2250
2025
Q1 		$464K Buy
25,697
+1,903
+8% +$35.4K ﹤0.01% 2535
2024
Q4 		$430K Buy
23,794
+9,612
+68% +$185K ﹤0.01% 2552
2024
Q3 		$263K Buy
+14,182
New +$251K ﹤0.01% 2692

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

American Century Companies's NBBK Position: Q2 2026 in Review

American Century Companies reduced its NB Bancorp (NBBK) stake by 0.68% in Q2 2026, selling an estimated $36.8K and leaving 261,866 shares worth $5.53M. The position accounts for ﹤0.01% of the portfolio, ranked #1838.

American Century Companies first reported a position in NBBK in Q3 2024 and has held it in 8 quarters since. The position peaked at $5.56M in Q1 2026. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

  • American Century Companies held 261,866 shares of NB Bancorp worth $5.53M as of Q2 2026.
  • American Century Companies sold 1,790 NB Bancorp shares in Q2 2026, an estimated $36.8K.
  • NB Bancorp made up ﹤0.01% of American Century Companies's portfolio in Q2 2026, its #1838 holding.
  • American Century Companies first reported a position in NB Bancorp in Q3 2024 and has held it in 8 quarters since.
  • American Century Companies's NB Bancorp position peaked at $5.56M in Q1 2026.
  • 161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.