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Flagship Harbor Advisors’s NB Bancorp NBBK Stock Holding History

Flagship Harbor Advisors’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 		– Sell
-6,436
Closed -$128K – 1647
2025
Q4 		$128K Sell
6,436
-5,478
-46% -$104K 0.01% 801
2025
Q3 		$210K Hold
11,914
– – 0.01% 760
2025
Q2 		$213K Buy
+11,914
New +$201K 0.01% 720

Other funds holding NBBK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PP
Pertento Partners London, United Kingdom $1.86B AUM 53.86% 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
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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Flagship Harbor Advisors's NBBK Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of NB Bancorp (NBBK) in Q1 2026, closing a stake of 6,436 shares — an estimated $128K sold.

Flagship Harbor Advisors first reported a position in NBBK in Q2 2025 and held it in 3 quarters. The position peaked at $213K in Q2 2025. 177 funds tracked by Wall St. Rank hold NBBK as of Q1 2026.

  • Flagship Harbor Advisors reported no remaining NB Bancorp position as of Q1 2026 after selling out during the quarter.
  • Flagship Harbor Advisors sold 6,436 NB Bancorp shares in Q1 2026, an estimated $128K.
  • Flagship Harbor Advisors first reported a position in NB Bancorp in Q2 2025 and held it in 3 quarters.
  • Flagship Harbor Advisors's NB Bancorp position peaked at $213K in Q2 2025.
  • 177 funds tracked by Wall St. Rank held NB Bancorp as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.