Firefly Aerospace Inc. (FLY) Ownership
FLY ownership summary
as of October 18, 2026- Institutions
- 61.7% of shares outstanding
- Insiders
- 13.77% of shares outstanding
- Shares outstanding
- 167.4M
- Float
- 107.1M shares available to trade
- Short interest
- 11.78% 11.9M shares short
- Days to cover
- 4.00 short interest up 7.5% vs prior month
- Institutions 61.70%
- Insiders 13.77%
- Other investors 24.53%
FLY top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | AE INDUSTRIAL PARTNERS, LP | 20.63% | 34.5M | $578.4M | −697,172 (−2.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 3.53% | 5.9M | $98.9M | +3.9M (+189.7%) | June 30, 2026 |
| 3 | State Street Corp | 2.50% | 4.2M | $70.0M | +3.7M (+751.4%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 2.15% | 3.6M | $60.2M | +1.2M (+48.0%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 1.83% | 3.1M | $51.4M | +737,275 (+31.6%) | June 30, 2026 |
| 6 | Van Eck Associates Corporation | 1.82% | 3.0M | $51.1M | +927,804 (+43.8%) | June 30, 2026 |
| 7 | JPMorgan Chase & Co | 1.67% | 2.8M | $46.8M | +2.2M (+341.2%) | June 30, 2026 |
| 8 | Two Sigma Investments LLC | 1.62% | 2.7M | $45.5M | +2.7M (+14,756.4%) | June 30, 2026 |
| 9 | Tema ETFs | 1.36% | 2.3M | $38.2M | +2.3M (+133,440.2%) | June 30, 2026 |
| 10 | Tidal Investments LLC. | 1.29% | 2.2M | $36.3M | +2.2M (0.0%) | June 30, 2026 |
| 11 | Phoenix Financial Ltd | 1.08% | 1.8M | $30.4M | +1.2M (+174.7%) | June 30, 2026 |
| 12 | T. Rowe Price Associates, Inc. | 0.99% | 1.7M | $27.7M | +764,534 (+86.1%) | June 30, 2026 |
| 13 | UBS Group AG | 0.97% | 1.6M | $27.2M | +557,055 (+52.1%) | June 30, 2026 |
| 14 | Geode Capital Management, LLC | 0.93% | 1.6M | $26.0M | +898,084 (+137.8%) | June 30, 2026 |
| 15 | Capital World Investors | 0.74% | 1.2M | $20.8M | +33,801 (+2.8%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 0.69% | 1.2M | $19.3M | +724,143 (+168.4%) | June 30, 2026 |
| 17 | Mirae Asset Global Investments (Korea) Co Ltd | 0.63% | 1.1M | $17.6M | +1.1M (0.0%) | June 30, 2026 |
| 18 | Marex Group Ltd | 0.58% | 964K | $16.2M | +502,140 (+108.6%) | June 30, 2026 |
| 19 | Penserra Capital Management, LLC | 0.55% | 925K | $15.5M | +158,639 (+20.7%) | June 30, 2026 |
| 20 | Amvescap Plc. | 0.48% | 809K | $13.6M | +251,947 (+45.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 19 holders added 25.8M shares and 1 cut 697K.
FLY top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | VanEck Space Innovators ETF A USD Acc | 2.14% | 3.6M | $60.0M | — | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.56% | 2.6M | $43.7M | −1,176 (−0.0%) | August 31, 2026 |
| 3 | Stt Strt® SPDR® S&P® Arspc & Dfnc ETF | 1.56% | 2.6M | $43.7M | +5,440 (+0.2%) | September 30, 2026 |
| 4 | iShares Russell 2000 ETF | 1.23% | 2.1M | $34.6M | −23,808 (−1.1%) | September 30, 2026 |
| 5 | Vanguard Small Cap Index | 1.13% | 1.9M | $31.6M | −605 (−0.0%) | August 31, 2026 |
| 6 | Tema Space Innovators ETF | 1.12% | 1.9M | $31.4M | — | September 30, 2026 |
| 7 | American Funds SMALLCAP World A | 0.72% | 1.2M | $20.2M | — | June 30, 2026 |
| 8 | Echiquier Space F | 0.66% | 1.1M | $18.4M | +79,937 (+7.8%) | August 31, 2026 |
| 9 | Vanguard MStar Small Cap Growth Indx Inv | 0.65% | 1.1M | $18.1M | −8,434 (−0.8%) | August 31, 2026 |
| 10 | Fidelity Small Cap Index | 0.52% | 873K | $14.6M | +8,605 (+1.0%) | July 31, 2026 |
| 11 | iShares US Aerospace & Defense ETF | 0.52% | 868K | $14.5M | −1,484 (−0.2%) | September 30, 2026 |
| 12 | iShares Russell 2000 Growth ETF | 0.45% | 748K | $12.5M | −947 (−0.1%) | September 30, 2026 |
| 13 | Invesco Aerospace & Defense ETF | 0.42% | 706K | $11.8M | −44,431 (−5.9%) | September 30, 2026 |
| 14 | Neuberger Nex Gen Spc EcyEURI3Acc | 0.29% | 488K | $8.2M | +191,788 (+64.8%) | June 30, 2026 |
| 15 | Schwab US Small-Cap ETF™ | 0.29% | 485K | $8.1M | +324 (+0.1%) | September 30, 2026 |
| 16 | Vanguard Russell 2000 ETF | 0.27% | 459K | $7.7M | +10,983 (+2.5%) | August 31, 2026 |
| 17 | Procure Space ETF | 0.25% | 425K | $7.1M | +2,502 (+0.6%) | September 30, 2026 |
| 18 | Victory Pioneer Select Mid Cap Growth A | 0.24% | 402K | $6.7M | +148,939 (+58.8%) | June 30, 2026 |
| 19 | Defiance Space and Connective Tech ETF | 0.22% | 372K | $6.2M | — | September 30, 2026 |
| 20 | T. Rowe Price New Horizons | 0.17% | 293K | $4.9M | −189,108 (−39.2%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
FLY insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-17 | David Leigh Wheeler | Sell | $45.04 | 3,766 | $169,621 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
FLY shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns FLY
Institutional investors own 61.7% of Firefly Aerospace's shares and insiders 13.77%. The largest holder is AE INDUSTRIAL PARTNERS, LP with 20.63% of the shares (34.5M), as of June 30, 2026. Among the top 20 institutions, 19 added shares and 1 reduced their stake in the latest filings. Short interest is 11.78% of the float, or 4.00 days of average trading volume. The share count rose 1,197.1% since 2023.
Related: FLY analyst forecast, FLY key metrics. See the FLY stock overview for the latest quote and news.
FLY ownership FAQ
Who owns the most Firefly Aerospace stock?
The largest shareholders of Firefly Aerospace are AE INDUSTRIAL PARTNERS, LP (20.63%), BlackRock Inc (3.53%), State Street Corp (2.50%), Vanguard Portfolio Management, LLC (2.15%), Vanguard Capital Management, LLC (1.83%).
What percentage of Firefly Aerospace is owned by institutions?
Institutions hold 61.7% of Firefly Aerospace's shares outstanding; insiders hold 13.77%.
Which funds own Firefly Aerospace?
The largest fund holders of Firefly Aerospace are VanEck Space Innovators ETF A USD Acc (2.14%), Vanguard MStar Total Stk Mkt Idx Invest (1.56%), Stt Strt® SPDR® S&P® Arspc & Dfnc ETF (1.56%), iShares Russell 2000 ETF (1.23%), Vanguard Small Cap Index (1.13%).
What is Firefly Aerospace's short interest?
11.9M shares of Firefly Aerospace were sold short, 11.78% of the float; at the average daily volume it would take 4.00 days to cover.
Are insiders buying or selling Firefly Aerospace?
Of the latest 1 reported insider transactions in Firefly Aerospace (since April 17, 2026), 0 were purchases and 1 were sales.
How many shares of Firefly Aerospace are outstanding?
Firefly Aerospace has 167.4M shares outstanding, of which 107.1M are in the public float.