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Pertento Partners’s NB Bancorp NBBK Stock Holding History

Pertento Partners’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
Q1 		$46.5M Sell
2,206,666
-137,110
-6% -$2.88M 3.4% 11
2025
Q4 		$46.5M Buy
2,343,776
+229,440
+11% +$4.37M 4.36% 10
2025
Q3 		$37.3M Hold
2,114,336
– – 4.33% 12
2025
Q2 		$37.8M Buy
2,114,336
+135,433
+7% +$2.29M 3.38% 15
2025
Q1 		$35.8M Hold
1,978,903
– – 3.74% 17
2024
Q4 		$35.7M Sell
1,978,903
-376,840
-16% -$7.24M 3.02% 19
2024
Q3 		$43.7M Hold
2,355,743
– – 4.82% 9
2024
Q2 		$35.5M Buy
2,355,743
+1,019,184
+76% +$14.8M 3.59% 13
2024
Q1 		$18.3M Buy
+1,336,559
New +$18.7M 3.38% 15

Other funds holding NBBK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AC
AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
TCM
Tieton Capital Management Yakima, Washington $299M AUM 54.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Pertento Partners's NBBK Position: Q1 2026 in Review

Pertento Partners reduced its NB Bancorp (NBBK) stake by 5.8% in Q1 2026, selling an estimated $2.88M and leaving 2,206,666 shares worth $46.5M. The position accounts for 3.4% of the portfolio, ranked #11.

Pertento Partners first reported a position in NBBK in Q1 2024 and has held it in 9 quarters since. 176 funds tracked by Wall St. Rank hold NBBK as of Q1 2026.

  • Pertento Partners held 2,206,666 shares of NB Bancorp worth $46.5M as of Q1 2026.
  • Pertento Partners sold 137,110 NB Bancorp shares in Q1 2026, an estimated $2.88M.
  • NB Bancorp made up 3.4% of Pertento Partners's portfolio in Q1 2026, its #11 holding.
  • Pertento Partners first reported a position in NB Bancorp in Q1 2024 and has held it in 9 quarters since.
  • 176 funds tracked by Wall St. Rank held NB Bancorp as of Q1 2026.

Based on Pertento Partners's 13F filing for Q1 2026, filed 14 May 2026.