Needham Investment Management’s Generac Holdings GNRC Stock Holding History

Needham Investment Management’s Portfolio GNRC Stock Details GNRC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$24M	Buy	82,000 +9,550	+13%	+$2.39M	0.72%	33
2026 Q1	$14.2M	Buy	72,450 +37,950	+110%	+$7.29M	0.72%	46
2025 Q4	$4.7M	Buy	34,500 +23,500	+214%	+$3.79M	0.3%	88
2025 Q3	$1.84M	Hold	11,000	–	–	0.13%	117
2025 Q2	$1.58M	Hold	11,000	–	–	0.13%	111
2025 Q1	$1.39M	Hold	11,000	–	–	0.13%	112
2024 Q4	$1.71M	Sell	11,000 -4,000	-27%	-$691K	0.13%	117
2024 Q3	$2.38M	Sell	15,000 -12,500	-45%	-$1.85M	0.18%	98
2024 Q2	$3.64M	Sell	27,500 -10,000	-27%	-$1.38M	0.3%	88
2024 Q1	$4.73M	Buy	37,500 +2,500	+7%	+$293K	0.44%	60
2023 Q4	$4.52M	Buy	35,000 +15,000	+75%	+$1.65M	0.57%	50
2023 Q3	$2.18M	Buy	20,000 +10,000	+100%	+$1.24M	0.37%	68
2023 Q2	$1.49M	Buy	+10,000	New	+$1.14M	0.25%	77
2015 Q4	–	Sell	-7,000	Closed	-$211K	–	102
2015 Q3	$211K	Buy	+7,000	New	+$225K	0.05%	99

Other funds holding GNRC

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Needham Investment Management's GNRC Position: Q2 2026 in Review

Needham Investment Management increased its Generac Holdings (GNRC) stake by 13% in Q2 2026, buying an estimated $2.39M and bringing the position to 82,000 shares worth $24M. The position accounts for 0.72% of the portfolio, ranked #33.

Needham Investment Management first reported a position in GNRC in Q3 2015 and has held it in 14 quarters since. 999 funds tracked by Wall St. Rank hold GNRC as of Q2 2026.

Needham Investment Management held 82,000 shares of Generac Holdings worth $24M as of Q2 2026.
Needham Investment Management bought 9,550 Generac Holdings shares in Q2 2026, an estimated $2.39M.
Generac Holdings made up 0.72% of Needham Investment Management's portfolio in Q2 2026, its #33 holding.
Needham Investment Management first reported a position in Generac Holdings in Q3 2015 and has held it in 14 quarters since.
999 funds tracked by Wall St. Rank held Generac Holdings as of Q2 2026.

Based on Needham Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.