State Street
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State Street’s NB Bancorp NBBK Stock Holding History

State Street’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 		$27.3M Buy
1,293,538
+179,159
+16% +$3.77M ﹤0.01% 2071
2025
Q4 		$22.1M Sell
1,114,379
-82,543
-7% -$1.57M ﹤0.01% 2209
2025
Q3 		$21.1M Buy
1,196,922
+76,259
+7% +$1.4M ﹤0.01% 2210
2025
Q2 		$20M Buy
1,120,663
+40,561
+4% +$685K ﹤0.01% 2181
2025
Q1 		$19.5M Buy
1,080,102
+56,183
+5% +$1.04M ﹤0.01% 2159
2024
Q4 		$18.5M Buy
1,023,919
+29,539
+3% +$567K ﹤0.01% 2273
2024
Q3 		$18.5M Buy
994,380
+140,960
+17% +$2.49M ﹤0.01% 2257
2024
Q2 		$12.9M Buy
853,420
+723,620
+557% +$10.5M ﹤0.01% 2413
2024
Q1 		$1.77M Buy
+129,800
New +$1.81M ﹤0.01% 3315

Other funds holding NBBK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PP
Pertento Partners London, United Kingdom $1.37B AUM 36.36% 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
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

State Street's NBBK Position: Q1 2026 in Review

State Street increased its NB Bancorp (NBBK) stake by 16% in Q1 2026, buying an estimated $3.77M and bringing the position to 1,293,538 shares worth $27.3M. The position accounts for ﹤0.01% of the portfolio, ranked #2071.

State Street 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.

  • State Street held 1,293,538 shares of NB Bancorp worth $27.3M as of Q1 2026.
  • State Street bought 179,159 NB Bancorp shares in Q1 2026, an estimated $3.77M.
  • NB Bancorp made up ﹤0.01% of State Street's portfolio in Q1 2026, its #2071 holding.
  • State Street 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 State Street's 13F filing for Q1 2026, filed 15 May 2026.