UBS Group’s NB Bancorp NBBK Stock Holding History

UBS Group’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	$2.97M	Buy	140,405 +64,285	+84%	+$1.32M	﹤0.01%	4707
2026 Q1	$1.6M	Sell	76,120 -69,974	-48%	-$1.47M	﹤0.01%	5166
2025 Q4	$2.9M	Sell	146,094 -232,259	-61%	-$4.42M	﹤0.01%	4601
2025 Q3	$6.68M	Buy	378,353 +274,511	+264%	+$5.04M	﹤0.01%	3730
2025 Q2	$1.85M	Buy	103,842 +45,948	+79%	+$776K	﹤0.01%	4902
2025 Q1	$1.05M	Sell	57,894 -21,762	-27%	-$405K	﹤0.01%	5258
2024 Q4	$1.44M	Buy	79,656 +7,056	+10%	+$136K	﹤0.01%	5021
2024 Q3	$1.35M	Sell	72,600 -5,144	-7%	-$90.9K	﹤0.01%	4369
2024 Q2	$1.17M	Buy	77,744 +50,246	+183%	+$732K	﹤0.01%	4265
2024 Q1	$376K	Buy	+27,498	New	+$384K	﹤0.01%	5410

Other funds holding NBBK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AltraVue Capital Bellevue, Washington $1.39B AUM 53.77% 1-Year Est. Return

Pertento Partners London, United Kingdom $1.86B AUM 53.86% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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 Los Angeles, California $34.3B AUM 22.63% 1-Year Est. Return

UBS Group's NBBK Position: Q2 2026 in Review

UBS Group increased its NB Bancorp (NBBK) stake by 84% in Q2 2026, buying an estimated $1.32M and bringing the position to 140,405 shares worth $2.97M. The position accounts for ﹤0.01% of the portfolio, ranked #4707.

UBS Group first reported a position in NBBK in Q1 2024 and has held it in 10 quarters since. The position peaked at $6.68M in Q3 2025. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

UBS Group held 140,405 shares of NB Bancorp worth $2.97M as of Q2 2026.
UBS Group bought 64,285 NB Bancorp shares in Q2 2026, an estimated $1.32M.
NB Bancorp made up ﹤0.01% of UBS Group's portfolio in Q2 2026, its #4707 holding.
UBS Group first reported a position in NB Bancorp in Q1 2024 and has held it in 10 quarters since.
UBS Group's NB Bancorp position peaked at $6.68M in Q3 2025.
161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.