Renaissance Technologies’s NB Bancorp NBBK Stock Holding History

Renaissance Technologies’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	$2.78M	Sell	131,440 -132,466	-50%	-$2.73M	﹤0.01%	1787
2026 Q1	$5.56M	Buy	263,906 +12,632	+5%	+$266K	0.01%	1323
2025 Q4	$4.98M	Buy	251,274 +140,374	+127%	+$2.67M	0.01%	1306
2025 Q3	$1.96M	Sell	110,900 -33,248	-23%	-$610K	﹤0.01%	2089
2025 Q2	$2.57M	Sell	144,148 -58,052	-29%	-$980K	﹤0.01%	1955
2025 Q1	$3.65M	Buy	202,200 +36,700	+22%	+$682K	0.01%	1615
2024 Q4	$2.99M	Buy	165,500 +89,300	+117%	+$1.72M	﹤0.01%	1783
2024 Q3	$1.41M	Buy	76,200 +5,500	+8%	+$97.2K	﹤0.01%	2241
2024 Q2	$1.07M	Buy	70,700 +55,200	+356%	+$804K	﹤0.01%	2284
2024 Q1	$212K	Buy	+15,500	New	+$217K	﹤0.01%	3210

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

Renaissance Technologies's NBBK Position: Q2 2026 in Review

Renaissance Technologies reduced its NB Bancorp (NBBK) stake by 50% in Q2 2026, selling an estimated $2.73M and leaving 131,440 shares worth $2.78M. The position accounts for ﹤0.01% of the portfolio, ranked #1787.

Renaissance Technologies first reported a position in NBBK in Q1 2024 and has held it in 10 quarters since. The position peaked at $5.56M in Q1 2026. 161 funds tracked by Wall St. Rank hold NBBK as of Q2 2026.

Renaissance Technologies held 131,440 shares of NB Bancorp worth $2.78M as of Q2 2026.
Renaissance Technologies sold 132,466 NB Bancorp shares in Q2 2026, an estimated $2.73M.
NB Bancorp made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #1787 holding.
Renaissance Technologies first reported a position in NB Bancorp in Q1 2024 and has held it in 10 quarters since.
Renaissance Technologies's NB Bancorp position peaked at $5.56M in Q1 2026.
161 funds tracked by Wall St. Rank held NB Bancorp as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.