Citadel Advisors
NBBK icon

Citadel Advisors’s NB Bancorp NBBK Stock Holding History

Citadel 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 		$777K Sell
36,900
-10,576
-22% -$222K ﹤0.01% 8255
2025
Q4 		$941K Buy
47,476
+18,176
+62% +$346K ﹤0.01% 7535
2025
Q3 		$517K Buy
29,300
+15,400
+111% +$283K ﹤0.01% 9052
2025
Q2 		$248K Sell
13,900
-500
-3% -$8.44K ﹤0.01% 10227
2025
Q1 		$260K Sell
14,400
-68,300
-83% -$1.27M ﹤0.01% 9902
2024
Q4 		$1.49M Buy
82,700
+10,400
+14% +$200K ﹤0.01% 6237
2024
Q3 		$1.34M Buy
72,300
+56,600
+361% +$1M ﹤0.01% 6268
2024
Q2 		$237K Buy
+15,700
New +$229K ﹤0.01% 9585

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
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

Citadel Advisors's NBBK Position: Q1 2026 in Review

Citadel Advisors increased its NB Bancorp (NBBK) stake by 9.3% in Q1 2026, buying an estimated $208K and bringing the position to 116,371 shares worth $2.45M. The position accounts for ﹤0.01% of the portfolio, ranked #5665.

Citadel Advisors first reported a position in NBBK in Q4 2024 and has held it in 5 quarters since. 176 funds tracked by Wall St. Rank hold NBBK as of Q1 2026.

  • Citadel Advisors held 116,371 shares of NB Bancorp worth $2.45M as of Q1 2026.
  • Citadel Advisors bought 9,914 NB Bancorp shares in Q1 2026, an estimated $208K.
  • NB Bancorp made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5665 holding.
  • Citadel Advisors first reported a position in NB Bancorp in Q4 2024 and has held it in 5 quarters since.
  • 176 funds tracked by Wall St. Rank held NB Bancorp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.