AST SpaceMobile Inc (ASTS) Ownership
ASTS ownership summary
as of October 18, 2026- Institutions
- 54.8% of shares outstanding
- Insiders
- 8.03% of shares outstanding
- Shares outstanding
- 299.8M
- Float
- 266.5M shares available to trade
- Short interest
- 21.69% 64.8M shares short
- Days to cover
- 6.39 short interest down 0.7% vs prior month
- Institutions 54.77%
- Insiders 8.03%
- Other investors 37.20%
ASTS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Rakuten Group Inc | 5.17% | 15.5M | $630.6M | −15.5M (−50.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 5.09% | 15.3M | $621.0M | +756,247 (+5.2%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 4.45% | 13.3M | $542.0M | +2.3M (+20.7%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.17% | 12.5M | $508.9M | +1.0M (+8.9%) | June 30, 2026 |
| 5 | Alphabet Inc | 2.98% | 8.9M | $363.6M | — | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | 2.44% | 7.3M | $297.5M | +4.1M (+129.1%) | June 30, 2026 |
| 7 | UBS Group AG | 2.20% | 6.6M | $268.4M | +2.1M (+45.3%) | June 30, 2026 |
| 8 | State Street Corp | 2.18% | 6.5M | $265.7M | +948,360 (+17.0%) | June 30, 2026 |
| 9 | Marex Group Ltd | 2.07% | 6.2M | $252.9M | +3.6M (+135.6%) | June 30, 2026 |
| 10 | Vodafone Ventures Ltd. | 1.83% | 5.5M | $222.5M | — | June 30, 2026 |
| 11 | Geode Capital Management, LLC | 1.70% | 5.1M | $207.6M | +340,038 (+7.1%) | June 30, 2026 |
| 12 | The Goldman Sachs Group Inc | 1.29% | 3.9M | $157.4M | +1.6M (+67.4%) | June 30, 2026 |
| 13 | Jane Street Group LLC | 1.20% | 3.6M | $145.7M | +3.6M (+14,292.4%) | June 30, 2026 |
| 14 | NORGES BANK | 1.11% | 3.3M | $135.6M | +604,458 (+22.1%) | June 30, 2026 |
| 15 | HHG PLC | 0.88% | 2.6M | $107.1M | −35,264 (−1.3%) | March 31, 2026 |
| 16 | Clear Street Group Inc | 0.81% | 2.4M | $98.2M | −974,155 (−28.7%) | June 30, 2026 |
| 17 | Van Eck Associates Corporation | 0.73% | 2.2M | $89.1M | +1.1M (+97.9%) | June 30, 2026 |
| 18 | Vanguard Fiduciary Trust Co | 0.57% | 1.7M | $68.9M | +114,608 (+7.3%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 0.55% | 1.6M | $66.7M | +85,483 (+5.5%) | June 30, 2026 |
| 20 | Northern Trust Corp | 0.53% | 1.6M | $64.8M | +150,764 (+10.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 22.3M shares and 3 cut 16.5M.
ASTS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.01% | 9.0M | $366.7M | −20,626 (−0.2%) | August 31, 2026 |
| 2 | Vanguard Small Cap Index | 1.09% | 3.3M | $132.8M | +2,386 (+0.1%) | August 31, 2026 |
| 3 | Vanguard MStar Mid Cap Index Instl | 1.02% | 3.1M | $124.8M | −1,680 (−0.1%) | August 31, 2026 |
| 4 | Vanguard MStar Growth Index Investor | 0.75% | 2.2M | $91.0M | −3,014 (−0.1%) | August 31, 2026 |
| 5 | VanEck Space Innovators ETF A USD Acc | 0.74% | 2.2M | $90.4M | — | September 30, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 0.63% | 1.9M | $76.2M | −14,219 (−0.8%) | August 31, 2026 |
| 7 | iShares Russell Mid-Cap Growth ETF | 0.45% | 1.4M | $54.9M | −1,443 (−0.1%) | September 30, 2026 |
| 8 | Tema Space Innovators ETF | 0.45% | 1.3M | $54.7M | — | September 30, 2026 |
| 9 | Fidelity Extended Market Index | 0.43% | 1.3M | $51.8M | −13,815 (−1.1%) | August 31, 2026 |
| 10 | Hennessy Focus Investor | 0.38% | 1.1M | $45.7M | — | September 30, 2026 |
| 11 | Vanguard MStar Mid Cap Growth ETF | 0.36% | 1.1M | $44.3M | +4,827 (+0.4%) | August 31, 2026 |
| 12 | iShares Russell Mid-Cap ETF | 0.35% | 1.1M | $43.0M | +1,957 (+0.2%) | September 30, 2026 |
| 13 | Fidelity Mid Cap Index | 0.33% | 984K | $40.0M | +14,323 (+1.5%) | August 31, 2026 |
| 14 | iShares Russell 1000 Growth ETF | 0.30% | 901K | $36.7M | −616 (−0.1%) | September 30, 2026 |
| 15 | Schwab US Mid-Cap ETF™ | 0.30% | 900K | $36.6M | +954 (+0.1%) | September 30, 2026 |
| 16 | Vanguard Communication Services ETF | 0.29% | 877K | $35.7M | +71,579 (+8.9%) | August 31, 2026 |
| 17 | Janus Henderson Triton D | 0.21% | 629K | $25.6M | — | August 31, 2026 |
| 18 | Fidelity Total Market Index | 0.17% | 496K | $20.2M | +1,136 (+0.2%) | August 31, 2026 |
| 19 | iShares US Telecommunications ETF | 0.16% | 485K | $19.7M | — | September 30, 2026 |
| 20 | Procure Space ETF | 0.14% | 432K | $17.6M | +2,544 (+0.6%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ASTS insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-15 | Hiroshi Mikitani | Sell | $86.22 | 1,350,000 | $116.4M |
| 2026-04-14 | Hiroshi Mikitani | Sell | $91.42 | 1,690,000 | $154.5M |
| 2026-03-23 | Huiwen Yao | Sell | $88.88 | 40,000 | $3.6M |
| 2025-12-24 | Keith R Larson | Buy | $80.00 | 625 | $50,000 |
| 2025-12-17 | Keith R Larson | Buy | $70.02 | 715 | $50,064 |
| 2025-12-10 | Keith R Larson | Buy | $72.71 | 675 | $49,079 |
| 2025-12-10 | Shanti B Gupta | Sell | $77.34 | 10,000 | $773,400 |
| 2025-12-09 | Tower Corp /Ma/ American | Sell | $69.75 | 2,288,621 | $159.6M |
| 2025-12-05 | Huiwen Yao | Sell | $73.52 | 40,000 | $2.9M |
| 2025-12-05 | Maya Bernal | Sell | $73.76 | 6,000 | $442,560 |
| 2025-11-26 | Andrew Martin Johnson | Sell | $56.00 | 10,000 | $560,000 |
| 2025-11-20 | Adriana Cisneros | Buy | $50.79 | 750 | $38,092 |
| 2025-09-16 | Huiwen Yao | Sell | $40.58 | 40,000 | $1.6M |
| 2025-08-26 | Andrew Martin Johnson | Sell | $52.48 | 20,000 | $1.0M |
| 2025-06-16 | Shanti B Gupta | Sell | $41.84 | 10,000 | $418,400 |
| 2025-06-10 | Huiwen Yao | Sell | $34.60 | 4,250 | $147,050 |
| 2025-06-09 | Scott Wisniewski | Sell | $35.65 | 50,000 | $1.8M |
| 2025-06-09 | Scott Wisniewski | Sell | $35.65 | 50,000 | $1.8M |
| 2025-06-09 | Shanti B Gupta | Sell | $36.08 | 15,000 | $541,200 |
| 2025-05-16 | Huiwen Yao | Sell | $26.82 | 55,000 | $1.5M |
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.
ASTS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ASTS
Institutional investors own 54.8% of AST SpaceMobile's shares and insiders 8.03%. The largest holder is Rakuten Group Inc with 5.17% of the shares (15.5M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 3 reduced their stake in the latest filings. Short interest is 21.69% of the float, or 6.39 days of average trading volume. The share count rose 790.4% since 2019.
Related: ASTS analyst forecast, ASTS key metrics. See the ASTS stock overview for the latest quote and news.
ASTS ownership FAQ
Who owns the most AST SpaceMobile stock?
The largest shareholders of AST SpaceMobile are Rakuten Group Inc (5.17%), BlackRock Inc (5.09%), Vanguard Portfolio Management, LLC (4.45%), Vanguard Capital Management, LLC (4.17%), Alphabet Inc (2.98%).
What percentage of AST SpaceMobile is owned by institutions?
Institutions hold 54.8% of AST SpaceMobile's shares outstanding; insiders hold 8.03%.
Which funds own AST SpaceMobile?
The largest fund holders of AST SpaceMobile are Vanguard MStar Total Stk Mkt Idx Invest (3.01%), Vanguard Small Cap Index (1.09%), Vanguard MStar Mid Cap Index Instl (1.02%), Vanguard MStar Growth Index Investor (0.75%), VanEck Space Innovators ETF A USD Acc (0.74%).
What is AST SpaceMobile's short interest?
64.8M shares of AST SpaceMobile were sold short, 21.69% of the float; at the average daily volume it would take 6.39 days to cover.
Are insiders buying or selling AST SpaceMobile?
Of the latest 20 reported insider transactions in AST SpaceMobile (since May 16, 2025), 4 were purchases and 16 were sales.
How many shares of AST SpaceMobile are outstanding?
AST SpaceMobile has 299.8M shares outstanding, of which 266.5M are in the public float.