Equity · Technology
AMBA
NASDAQAmbarella (AMBA)
The line runs 83.50 USD on 12 August through 61.62 USD on 9 November, on a scale from 50 to 90. Days the market did not trade hold the previous close, flat.
- Market cap
- 2.6B USD
- Revenue, year to Jan 2026
- 390.7M USD
- EPS, diluted, year to Jan 2026
- −1.78 USD
- 52-week range
- 49 USD – 95.25 USD
- Avg volume
- 74.2K
- Mentions, 30 days
- 2
as of Nov 6, 2026
Have Ambarella (AMBA) insiders bought or sold shares recently?
In the 90 days to 10 Nov 2026, Ambarella insiders reported 6 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 6 Oct 2025, show no open-market purchase.
Form 4, 90 days to 10 Nov 2026, newest reported trade 25 Sep 2026
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 25 Sep 2026 | PAISLEY CHRISTOPHER BDirector | Sell | 250 | 18K USD |
| 18 Sep 2026 | Young John AlexanderCFO | Sell | 1,896 | 128K USD |
| 17 Sep 2026 | Wang Feng-MingCEO | Sell | 6,086 | 395K USD |
| 17 Sep 2026 | Ju Chi-HongSenior VP, Systems & GM | Sell | 2,009 | 130K USD |
| 17 Sep 2026 | Lee Chan WChief Operations Officer | Sell | 2,893 | 188K USD |
| 17 Sep 2026 | Young John AlexanderCFO | Sell | 3,126 | 203K USD |
| Sold | 6 open-market sales | 16,260 | $1.06M |
7 other filings in the window: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 08 Sep 2026 | Hu ChenmingDirector | Award | 3,151 | |
| 08 Sep 2026 | Bryant Gregory MDirector | Award | 3,151 | |
| 08 Sep 2026 | Breithaupt Chantelle YvetteDirector | Award | 3,151 | |
| 08 Sep 2026 | Schwarting Elizabeth MDirector | Award | 3,151 | |
| 08 Sep 2026 | Hon Hsiao-WuenDirector | Award | 3,151 | |
| 08 Sep 2026 | RICHARDSON DAVID JEFFREYDirector | Award | 3,151 | |
| 08 Sep 2026 | PAISLEY CHRISTOPHER BDirector | Award | 3,151 |
Which funds hold Ambarella (AMBA)?
8 of the 45 institutional funds we track reported a Ambarella position for the quarter ended 30 Jun 2026 — a combined 113.9M USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| D. E. Shaw & Co. | Added | 515,084 | 44.2M USD | +110.1% |
| AQR Capital Management | Held (±25%) | 495,583 | 42.5M USD | −0.0% |
| Point72 Asset Management | Trimmed | 117,943 | 10.1M USD | −77.4% |
| Renaissance Technologies | Trimmed | 110,300 | 9.5M USD | −44.7% |
| Millennium Management | Trimmed | 41,318 | 3.5M USD | −97.3% |
| Man Group | Held (±25%) | 29,542 | 2.5M USD | +1.9% |
| GAMCO Investors | Held (±25%) | 11,879 | 1.0M USD | +20.6% |
| Two Sigma Investments | Trimmed | 5,470 | 469K USD | −57.2% |
| Balyasny Asset Management | Exited | |||
| Citadel Advisors | Exited |
What has been filed or recorded for Ambarella (AMBA)?
The filings we hold for Ambarella, newest first: 2 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 02 Oct 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 02 Oct 2026 | Fails to deliver | Shares failed to deliver | 3 shares | 211 USD notional · <0.001% of shares out |
| 29 Sep 2026 | Fails to deliver | Shares failed to deliver | 8,413 shares | 578K USD notional · 0.019% of shares out |
| 31 Jul 2026 | Quarterly earnings | Q2 2027 reported | EPS −0.15 USD | |
| 31 Jul 2026 | Financials | Total assets | 780.2M USD | at period end |
| 31 Jul 2026 | Financials | Total equity | 620.3M USD | at period end |
| 30 Apr 2026 | Quarterly earnings | Q1 2027 reported | EPS −0.41 USD | |
| 31 Jan 2026 | Annual report | FY 2026 reported | EPS −1.78 USD | |
| 31 Jan 2026 | Financials | Revenue | 390.7M USD | fiscal year |
| 31 Jan 2026 | Financials | Net income | −75.9M USD | fiscal year |
| 31 Jan 2026 | Financials | Diluted EPS | −1.78 USD | fiscal year |
| 31 Oct 2025 | Quarterly earnings | Q3 2026 reported | EPS −0.35 USD | |
| 31 Jul 2025 | Quarterly earnings | Q2 2026 reported | EPS −0.47 USD | |
| 30 Apr 2025 | Quarterly earnings | Q1 2025 reported | EPS −0.58 USD | |
| 31 Jan 2025 | Annual report | FY 2025 reported | EPS −2.84 USD | |
| 31 Oct 2024 | Quarterly earnings | Q3 2025 reported | EPS −0.58 USD |
What is Reddit saying about Ambarella (AMBA)?
Reddit mentioned AMBA 2 times in the 30 days to 10 November 2026, in 1 of the communities we track. All of them were scored for sentiment: 100% read bullish, 0% bearish and 0% neither. Reddit data updated 10 November 2026.
30-day window, Method
How do Reddit mentions of Ambarella (AMBA) compare with its price?
Share ↗
Which subreddits are talking about Ambarella (AMBA)?
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 100% | 2 | +0.15 |
What do people ask about Ambarella (AMBA)?
What did Ambarella shares close at?61.62
Ambarella closed at 61.62 USD on 9 Nov 2026, up 5.30% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Ambarella’s market cap?2.6B
Ambarella is worth 2.6B USD by market value as of 6 Nov 2026, which is the share price times the shares on issue from its SEC filings.
What is Ambarella’s revenue?390.7M
Ambarella reported revenue of 390.7M USD for the year ended 31 Jan 2026, as filed with the SEC. See Filings
Have Ambarella insiders bought or sold shares recently?6 sales
In the 90 days to 10 Nov 2026, Ambarella insiders reported 6 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 6 Oct 2025, show no open-market purchase. A further 7 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders
Which funds own Ambarella?8 of 45
8 of the 45 funds we track reported a Ambarella position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were D. E. Shaw & Co., AQR Capital Management and Point72 Asset Management. See Funds
When did Ambarella last report earnings?−0.15
Ambarella last reported earnings on 31 Jul 2026 for Q2 2027, with EPS of −0.15 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about Ambarella?2 mentions
Ambarella was mentioned 2 times in the last 7 days across the finance subreddits we track, and 2 times over the trailing 30 days. Of the 2 mentions scored for sentiment, 100% read bullish and 0% bearish. That is a social signal, not investment advice. See Reddit

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 31 Jul 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings