William Blair & Company
FLY

William Blair & Company’s Firefly Aerospace FLY Stock Holding History

William Blair & Company’s Portfolio FLY Stock Details FLY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$472K Buy
16,038
+5,588
+53% +$209K ﹤0.01% 1255
2026
Q1 		$298K Buy
+10,450
New +$254K ﹤0.01% 1343

Other funds holding FLY

AIP
AE Industrial Partners Boca Raton, Florida $1.37B AUM 48.49% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
TE
Tema ETFs New York $3.09B AUM 72.72% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $57.8B AUM 72.54% 1-Year Est. Return

William Blair & Company's FLY Position: Q2 2026 in Review

William Blair & Company increased its Firefly Aerospace (FLY) stake by 53% in Q2 2026, buying an estimated $209K and bringing the position to 16,038 shares worth $472K. The position accounts for ﹤0.01% of the portfolio, ranked #1255.

William Blair & Company first reported a position in FLY in Q1 2026 and has held it in 2 quarters since. 269 funds tracked by Wall St. Rank hold FLY as of Q2 2026.

  • William Blair & Company held 16,038 shares of Firefly Aerospace worth $472K as of Q2 2026.
  • William Blair & Company bought 5,588 Firefly Aerospace shares in Q2 2026, an estimated $209K.
  • Firefly Aerospace made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1255 holding.
  • William Blair & Company first reported a position in Firefly Aerospace in Q1 2026 and has held it in 2 quarters since.
  • 269 funds tracked by Wall St. Rank held Firefly Aerospace as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.