Alpha & Omega Semiconductor AOSL
$23.61 +$5.13 (+27.76%)
Market closed · Nov 6, 9:50 pm ET · Last extended-hours $23.61 0.00%
Open$21.90
Prev close$18.48
Day range$20.22 – $23.74
Volume1.27M
Market cap$715.50M
P/E (TTM)–
Dividend yield–
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership76.9%+0.11 pts vs. prior quarter
Institutions holding260-8 vs. prior quarter
Insider trades (recent)17 buys / 33 sellsNet selling
Short interest10.47% of floatDays to cover 6.5 · as of 15 Oct 2026
Short-sale volume share19.3%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$1.30M (7 inflow days, 13 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 44.4% of shares outstanding.
Largest holders
By investor type
Reported short interest has fallen from 11.07% to 10.47% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| WEDGE Capital Management LLP | Mutual Fund | 2026/Q3 | +48,021 | 0.5% |
| Stephen Chang | Individual/Insider | 2026/Q3 | +100,947 | 1.6% |
| Stephen Chang | Individual/Insider | 2026/Q3 | +100,947 | 1.6% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +48,569 | 0.2% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +945,898 | 7.8% |
| Two Sigma Investments, LP | Hedge Fund | 2026/Q3 | +398,565 | 3.1% |
| BlackRock | Mutual Fund | 2026/Q3 | +351,752 | 14.1% |
| Connor, Clark & Lunn Investment Management Ltd. | Mutual Fund | 2026/Q3 | +300,177 | 2.1% |
| FMR | Mutual Fund | 2026/Q3 | +247,263 | 2.6% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +234,335 | 0.8% |
| Apis Capital Advisors, LLC | Hedge Fund | 2026/Q3 | +206,280 | 0.7% |
| Congress Asset Management Company, LLP | Mutual Fund | 2026/Q3 | +203,460 | 0.7% |
| T. Rowe Price Group, Inc. | Mutual Fund | 2026/Q3 | +160,279 | 0.6% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +135,571 | 0.6% |
| Jackson National Asset Management, LLC | Mutual Fund | 2026/Q3 | +129,266 | 0.4% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 23 Aug 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -100,947 | – | 4,259,379 |
| 23 Aug 2026 | Stephen Chang | Chief Executive Officer | Other Acquisition | +100,947 | – | 471,892 |
| 12 Aug 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -3,000,000 | – | 4,360,326 |
| 19 Jul 2026 | Joshua Chien | Independent Director | Other Acquisition | +1,368 | – | 1,368 |
| 15 Jul 2026 | Bing Xue | Executive Vice President of Worldwide Sales & Business Development | Open Market Disposition | -875 | $33.99 | 42,785 |
| 12 Jul 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -23,754 | – | 4,360,326 |
| 15 Jun 2026 | Bing Xue | Executive Vice President of Worldwide Sales & Business Development | Automatic Disposition | -4,916 | $47.09 | 43,660 |
| 31 May 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -30,000 | – | 4,360,326 |
| 25 May 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -39,780 | – | 4,390,326 |
| 21 May 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Other Disposition | -736,252 | – | 4,242,201 |
| 21 May 2026 | Claudia Chen | Independent Director | Automatic Disposition | -4,061 | $40.54 | 25,352 |
| 20 May 2026 | Stephen Chang | Chief Executive Officer | Other Disposition | -2,000 | – | 370,945 |
| 17 May 2026 | Bing Xue | Executive Vice President of Worldwide Sales & Business Development | Automatic Disposition | -4,916 | $41.00 | 47,701 |
| 27 Apr 2026 | Yifan Liang | Chief Financial Officer | Other Disposition | -600 | – | 269,403 |
| 16 Apr 2026 | Yifan Liang | Chief Financial Officer | Automatic Disposition | -8,625 | $35.00 | 270,003 |
| 16 Apr 2026 | Stephen Chang | Chief Executive Officer | Automatic Disposition | -14,884 | $34.90 | 635,901 |
| 15 Apr 2026 | Bing Xue | Executive Vice President of Worldwide Sales & Business Development | Automatic Disposition | -1,832 | $31.21 | 52,617 |
| 13 Apr 2026 | Yifan Liang | Chief Financial Officer | Automatic Disposition | -26,517 | $32.00 | 178,003 |
| 13 Apr 2026 | Stephen Chang | Chief Executive Officer | Automatic Disposition | -5,594 | $31.90 | 387,660 |
| 15 Mar 2026 | Mike Fushing Chang | Executive VP of Strategic Initiative & Chairman | Sale to Issuer | -27,813 | $21.43 | 4,238,636 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 3,174,338 | 10.5% | 6.5 |
| 30 Sep 2026 | 2,947,504 | 9.7% | 5.0 |
| 15 Sep 2026 | 2,922,868 | 9.7% | 5.8 |
| 31 Aug 2026 | 2,620,812 | 8.7% | 4.4 |
| 14 Aug 2026 | 3,056,614 | 10.1% | 5.1 |
| 31 Jul 2026 | 3,311,917 | 11.1% | 5.3 |
No comments yet — be the first to weigh in on AOSL.
Sign in to join the discussion.