California State Teachers Retirement System (CalSTRS)’s NB Bancorp NBBK Stock Holding History

California State Teachers Retirement System (CalSTRS)’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	$754K	Sell	35,797 -296	-0.8%	-$6.22K	﹤0.01%	1912
2025 Q4	$715K	Buy	36,093 +6,929	+24%	+$132K	﹤0.01%	1942
2025 Q3	$515K	Sell	29,164 -6,070	-17%	-$111K	﹤0.01%	2082
2025 Q2	$629K	Sell	35,234 -691	-2%	-$11.7K	﹤0.01%	1956
2025 Q1	$649K	Hold	35,925	–	–	﹤0.01%	1926
2024 Q4	$649K	Sell	35,925 -437	-1%	-$8.39K	﹤0.01%	2000
2024 Q3	$675K	Buy	36,362 +33,541	+1,189%	+$593K	﹤0.01%	1986
2024 Q2	$42.5K	Buy	+2,821	New	+$41.1K	﹤0.01%	2445

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

California State Teachers Retirement System (CalSTRS)'s NBBK Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its NB Bancorp (NBBK) stake by 0.82% in Q1 2026, selling an estimated $6.22K and leaving 35,797 shares worth $754K. The position accounts for ﹤0.01% of the portfolio, ranked #1912.

California State Teachers Retirement System (CalSTRS) first reported a position in NBBK in Q2 2024 and has held it in 8 quarters since. 176 funds tracked by Wall St. Rank hold NBBK as of Q1 2026.

California State Teachers Retirement System (CalSTRS) held 35,797 shares of NB Bancorp worth $754K as of Q1 2026.
California State Teachers Retirement System (CalSTRS) sold 296 NB Bancorp shares in Q1 2026, an estimated $6.22K.
NB Bancorp made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1912 holding.
California State Teachers Retirement System (CalSTRS) first reported a position in NB Bancorp in Q2 2024 and has held it in 8 quarters since.
176 funds tracked by Wall St. Rank held NB Bancorp as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.