AllianceBernstein’s NB Bancorp NBBK Stock Holding History

AllianceBernstein’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	$2.58M	Sell	130,219 -124,000	-49%	-$2.61M	﹤0.01%	1860
2025 Q4	$5.04M	Buy	254,219 +213,489	+524%	+$4.06M	﹤0.01%	1538
2025 Q3	$719K	Hold	40,730	–	–	﹤0.01%	2499
2025 Q2	$727K	Sell	40,730 -122,520	-75%	-$2.07M	﹤0.01%	2456
2025 Q1	$2.95M	Sell	163,250 -19,000	-10%	-$353K	﹤0.01%	1699
2024 Q4	$3.29M	Sell	182,250 -206,275	-53%	-$3.96M	﹤0.01%	1694
2024 Q3	$7.21M	Sell	388,525 -263,500	-40%	-$4.66M	﹤0.01%	1354
2024 Q2	$9.83M	Sell	652,025 -165,140	-20%	-$2.41M	﹤0.01%	1176
2024 Q1	$11.2M	Buy	817,165 +49,000	+6%	+$685K	﹤0.01%	1105
2023 Q4	$10.3M	Buy	+768,165	New	+$10.5M	﹤0.01%	1135

Other funds holding NBBK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Pertento Partners London, United Kingdom $1.37B AUM 36.36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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 Austin, Texas $481B AUM 30.42% 1-Year Est. Return

AllianceBernstein's NBBK Position: Q1 2026 in Review

AllianceBernstein reduced its NB Bancorp (NBBK) stake by 49% in Q1 2026, selling an estimated $2.61M and leaving 130,219 shares worth $2.58M. The position accounts for ﹤0.01% of the portfolio, ranked #1860.

AllianceBernstein first reported a position in NBBK in Q4 2023 and has held it in 10 quarters since. The position peaked at $11.2M in Q1 2024. 176 funds tracked by Wall St. Rank hold NBBK as of Q1 2026.

AllianceBernstein held 130,219 shares of NB Bancorp worth $2.58M as of Q1 2026.
AllianceBernstein sold 124,000 NB Bancorp shares in Q1 2026, an estimated $2.61M.
NB Bancorp made up ﹤0.01% of AllianceBernstein's portfolio in Q1 2026, its #1860 holding.
AllianceBernstein first reported a position in NB Bancorp in Q4 2023 and has held it in 10 quarters since.
AllianceBernstein's NB Bancorp position peaked at $11.2M in Q1 2024.
176 funds tracked by Wall St. Rank held NB Bancorp as of Q1 2026.

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