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Granahan Investment Management’s Generac Holdings GNRC Stock Holding History

Granahan 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 		$36M Buy
122,872
+109,659
+830% +$27.5M 1.28% 23
2026
Q1 		$2.58M Buy
+13,213
New +$2.54M 0.12% 131

Other funds holding GNRC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

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

Granahan Investment Management increased its Generac Holdings (GNRC) stake by 830% in Q2 2026, buying an estimated $27.5M and bringing the position to 122,872 shares worth $36M. The position accounts for 1.28% of the portfolio, ranked #23.

Granahan Investment Management first reported a position in GNRC in Q1 2026 and has held it in 2 quarters since. 997 funds tracked by Wall St. Rank hold GNRC as of Q2 2026.

  • Granahan Investment Management held 122,872 shares of Generac Holdings worth $36M as of Q2 2026.
  • Granahan Investment Management bought 109,659 Generac Holdings shares in Q2 2026, an estimated $27.5M.
  • Generac Holdings made up 1.28% of Granahan Investment Management's portfolio in Q2 2026, its #23 holding.
  • Granahan Investment Management first reported a position in Generac Holdings in Q1 2026 and has held it in 2 quarters since.
  • 997 funds tracked by Wall St. Rank held Generac Holdings as of Q2 2026.

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