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AltraVue Capital’s NB Bancorp NBBK Stock Holding History

AltraVue Capital’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 		$35M Buy
1,655,108
+351,028
+27% +$7.22M 2.52% 18
2026
Q1 		$27.5M Buy
1,304,080
+611,080
+88% +$12.8M 2.37% 17
2025
Q4 		$13.7M Buy
+693,000
New +$13.2M 1.13% 25

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
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
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

AltraVue Capital's NBBK Position: Q2 2026 in Review

AltraVue Capital increased its NB Bancorp (NBBK) stake by 27% in Q2 2026, buying an estimated $7.22M and bringing the position to 1,655,108 shares worth $35M. The position accounts for 2.52% of the portfolio, ranked #18.

AltraVue Capital 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.

  • AltraVue Capital held 1,655,108 shares of NB Bancorp worth $35M as of Q2 2026.
  • AltraVue Capital bought 351,028 NB Bancorp shares in Q2 2026, an estimated $7.22M.
  • NB Bancorp made up 2.52% of AltraVue Capital's portfolio in Q2 2026, its #18 holding.
  • AltraVue Capital 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 AltraVue Capital's 13F filing for Q2 2026, filed 13 Aug 2026.