Ascent Solar Technologies, Inc. (Nasdaq: ASTI), an SEC filer in Semiconductors & Related Devices, closed at $2.92, -6.1%, on 2026-08-28, with a market cap of $31M as of 2026-08-27, a return on equity of -233.2%, a net margin of -10202.5% and 3-year sales growth of -60.3%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Arosa Capital Management LP | 150,000150,000 | $591,000 | 1.59% | NEW |
| 2 | UBS Group AG | 148,352148,352 | $584,507 | 1.57% | ADD 493% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 88,97288,972 | $350,550 | 0.94% | NEW |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 79,12279,122 | $311,950 | 0.84% | ADD 194% |
| 5 | VANGUARD FIDUCIARY TRUST CO | 45,39045,390 | $178,837 | 0.48% | NEW |
| 6 | United Advisor Group, LLC | 35,00035,000 | $137,900 | 0.37% | NEW |
| 7 | Cetera Investment Advisers | 25,00125,001 | $98,504 | 0.26% | ADD 15% |
| 8 | STATE STREET CORP | 23,03823,038 | $90,770 | 0.24% | NEW |
| 9 | NORTHERN TRUST CORP | 18,66718,667 | $73,548 | 0.20% | ADD 78% |
| 10 | JANE STREET GROUP, LLC | 15,26015,260 | $60,124 | 0.16% | TRIM -46% |
Ranked by each filer’s own reported value, not shares.
2 holders — The filer reported no value for this line, so it carries no dollar figure and is left out of the percentage and value columns.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Arosa Capital Management LP | +150,000 | $591,000 | OPEN |
| UBS Group AG | +123,352 | $486,007 | ADD |
| VANGUARD CAPITAL MANAGEMENT LLC | +88,972 | $350,550 | OPEN |
| GEODE CAPITAL MANAGEMENT, LLC | +52,184 | $205,605 | ADD |
| VANGUARD FIDUCIARY TRUST CO | +45,390 | $178,837 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| MYDA Advisors LLC | −50,000 | $197,000 | CLOSE |
| CITIGROUP INC | −45,143 | $177,863 | CLOSE |
| HRT FINANCIAL LP | −39,230 | $154,566 | TRIM |
| VANGUARD GROUP INC | −25,858 | $101,881 | CLOSE |
| JANE STREET GROUP, LLC | −13,031 | $51,342 | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Arosa Capital Management LP | — | — | — | — | — | 150K | $591,000 |
| UBS Group AG | 36 | — | 5K | 13K | 25K | 148K | $584,507 |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 89K | $350,550 |
| GEODE CAPITAL MANAGEMENT, LLC | — | 12K | 14K | 14K | 27K | 79K | $311,950 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 45K | $178,837 |
| United Advisor Group, LLC | — | — | — | — | — | 35K | $137,900 |
| Cetera Investment Advisers | — | — | — | — | 22K | 25K | $98,504 |
| STATE STREET CORP | — | — | — | — | — | 23K | $90,770 |
| NORTHERN TRUST CORP | — | — | — | — | 10K | 19K | $73,548 |
| JANE STREET GROUP, LLC | — | — | — | — | 28K | 15K | $60,124 |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
| Holder | % of class | Type | As of | |
|---|---|---|---|---|
| JANE STREET GROUP, LLC | 3.6% | Passive | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
