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John Overdeck’s NB Bancorp NBBK Stock Holding History

John Overdeck’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 		$5.85M Sell
277,027
-94,780
-25% -$1.95M ﹤0.01% 1991
2026
Q1 		$7.83M Buy
371,807
+118,962
+47% +$2.5M 0.01% 1605
2025
Q4 		$5.01M Buy
252,845
+46,976
+23% +$894K 0.01% 1721
2025
Q3 		$3.63M Buy
205,869
+64,635
+46% +$1.19M 0.01% 1713
2025
Q2 		$2.52M Sell
141,234
-9,163
-6% -$155K ﹤0.01% 1667
2025
Q1 		$2.72M Buy
150,397
+38,292
+34% +$712K 0.01% 1542
2024
Q4 		$2.02M Sell
112,105
-14,673
-12% -$282K ﹤0.01% 1708
2024
Q3 		$2.35M Buy
126,778
+71,245
+128% +$1.26M 0.01% 1577
2024
Q2 		$837K Buy
+55,533
New +$809K ﹤0.01% 2084

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 53.78% 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
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

John Overdeck's NBBK Position: Q2 2026 in Review

John Overdeck reduced its NB Bancorp (NBBK) stake by 25% in Q2 2026, selling an estimated $1.95M and leaving 277,027 shares worth $5.85M. The position accounts for ﹤0.01% of the portfolio, ranked #1991.

John Overdeck first reported a position in NBBK in Q2 2024 and has held it in 9 quarters since. The position peaked at $7.83M in Q1 2026. 159 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

  • John Overdeck held 277,027 shares of NB Bancorp worth $5.85M as of Q2 2026.
  • John Overdeck sold 94,780 NB Bancorp shares in Q2 2026, an estimated $1.95M.
  • NB Bancorp made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #1991 holding.
  • John Overdeck first reported a position in NB Bancorp in Q2 2024 and has held it in 9 quarters since.
  • John Overdeck's NB Bancorp position peaked at $7.83M in Q1 2026.
  • 159 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.