Pertento Partners’s NB Bancorp NBBK Stock Holding History

Pertento Partners’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	$31.2M	Sell	1,475,770 -730,896	-33%	-$15M	1.68%	17
2026 Q1	$46.5M	Sell	2,206,666 -137,110	-6%	-$2.88M	3.4%	11
2025 Q4	$46.5M	Buy	2,343,776 +229,440	+11%	+$4.37M	4.36%	10
2025 Q3	$37.3M	Hold	2,114,336	–	–	4.33%	12
2025 Q2	$37.8M	Buy	2,114,336 +135,433	+7%	+$2.29M	3.38%	15
2025 Q1	$35.8M	Hold	1,978,903	–	–	3.74%	17
2024 Q4	$35.7M	Sell	1,978,903 -376,840	-16%	-$7.24M	3.02%	19
2024 Q3	$43.7M	Hold	2,355,743	–	–	4.82%	9
2024 Q2	$35.5M	Buy	2,355,743 +1,019,184	+76%	+$14.8M	3.59%	13
2024 Q1	$18.3M	Buy	+1,336,559	New	+$18.7M	3.38%	15

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

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

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Pertento Partners's NBBK Position: Q2 2026 in Review

Pertento Partners reduced its NB Bancorp (NBBK) stake by 33% in Q2 2026, selling an estimated $15M and leaving 1,475,770 shares worth $31.2M. The position accounts for 1.68% of the portfolio, ranked #17.

Pertento Partners first reported a position in NBBK in Q1 2024 and has held it in 10 quarters since. The position peaked at $46.5M in Q1 2026. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

Pertento Partners held 1,475,770 shares of NB Bancorp worth $31.2M as of Q2 2026.
Pertento Partners sold 730,896 NB Bancorp shares in Q2 2026, an estimated $15M.
NB Bancorp made up 1.68% of Pertento Partners's portfolio in Q2 2026, its #17 holding.
Pertento Partners first reported a position in NB Bancorp in Q1 2024 and has held it in 10 quarters since.
Pertento Partners's NB Bancorp position peaked at $46.5M in Q1 2026.
161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Pertento Partners's 13F filing for Q2 2026, filed 13 Aug 2026.