Equity · Technology
SMWB
NYSESimilarweb (SMWB)
The line runs 8.52 USD on 12 August through 8 USD on 10 September, on a scale from 7.5 to 9.5. Days the market did not trade hold the previous close, flat.
- Revenue, year to Dec 2025
- 282.6M USD
- EPS, diluted, year to Dec 2025
- −0.39 USD
- 52-week range
- 2.32 USD – 10.08 USD
- Avg volume
- 129.1K
as of Sep 10, 2026
Have Similarweb (SMWB) insiders bought or sold shares recently?
In the 90 days to 10 Nov 2026, Similarweb insiders reported 16 open-market sales and no purchases (SEC Form 4); none has bought on the open market since 1 Jun 2026.
Form 4, 90 days to 10 Nov 2026, newest reported trade 24 Sep 2026
Buys 0Sells 16Net sold $15.17MOther filings 3
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 24 Sep 2026 | Offer OrChief Executive Officer | Sell | 114,300 | 879K USD |
| 23 Sep 2026 | Offer OrChief Executive Officer | Sell | 28,400 | 242K USD |
| 22 Sep 2026 | Offer OrChief Executive Officer | Sell | 34,500 | 289K USD |
| 21 Sep 2026 | Offer OrChief Executive Officer | Sell | 32,200 | 271K USD |
| 18 Sep 2026 | Offer OrChief Executive Officer | Sell | 37,500 | 309K USD |
| 17 Sep 2026 | Offer OrChief Executive Officer | Sell | 30,400 | 254K USD |
| 16 Sep 2026 | Offer OrChief Executive Officer | Sell | 45,719 | 384K USD |
| 15 Sep 2026 | Offer OrChief Executive Officer | Sell | 26,691 | 228K USD |
| 14 Sep 2026 | Offer OrChief Executive Officer | Sell | 52,900 | 452K USD |
| 11 Sep 2026 | Offer OrChief Executive Officer | Sell | 59,000 | 475K USD |
| 10 Sep 2026 | Offer OrChief Executive Officer | Sell | 59,200 | 477K USD |
| 09 Sep 2026 | Offer OrChief Executive Officer | Sell | 86,300 | 695K USD |
| Sold | 16 open-market sales | 1,760,534 | $15.17M |
Showing the 12 most recent of 16 open-market trades in this window. The figures above count all of them.
3 other filings in the window: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 26 Aug 2026 | Offer OrChief Executive Officer | Option exercise | 383,127 | 994K USD |
| 14 Aug 2026 | Offer OrChief Executive Officer | Option exercise | 134,992 | 212K USD |
| 13 Aug 2026 | Offer OrChief Executive Officer | Option exercise | 428,500 | 775K USD |
Which funds hold Similarweb (SMWB)?
7 of the 45 institutional funds we track reported a Similarweb position for the quarter ended 30 Jun 2026 — a combined 13.9M USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| ARK Investment Management | Added | 834,663 | 5.1M USD | +137.1% |
| Renaissance Technologies | Held (±25%) | 713,728 | 4.4M USD | −3.5% |
| Citadel Advisors | Trimmed | 346,735 | 2.1M USD | −27.2% |
| D. E. Shaw & Co. | Added | 159,935 | 980K USD | +173.2% |
| Two Sigma Investments | Added | 129,851 | 796K USD | +64.2% |
| Marshall Wace | Trimmed | 60,981 | 374K USD | −90.4% |
| Millennium Management | Trimmed | 18,198 | 112K USD | −97.8% |
| Point72 Asset Management | Exited |
What has been filed or recorded for Similarweb (SMWB)?
The filings we hold for Similarweb, newest first: 1 fails-to-deliver day and 5 reported financial figures, the latest dated 09 Oct 2026.
| And | ||||
|---|---|---|---|---|
| 09 Oct 2026 | Fails to deliver | Shares failed to deliver | 5,242 shares | 44K USD notional · 0.006% of shares out |
| 31 Dec 2025 | Financials | Revenue | 282.6M USD | fiscal year |
| 31 Dec 2025 | Financials | Net income | −32.9M USD | fiscal year |
| 31 Dec 2025 | Financials | Diluted EPS | −0.39 USD | fiscal year |
| 31 Dec 2025 | Financials | Total assets | 261.1M USD | at period end |
| 31 Dec 2025 | Financials | Total equity | 23.3M USD | at period end |
Similarweb (SMWB): frequently asked questions
What did Similarweb shares close at?
Similarweb closed at 8.00 USD on 10 Sep 2026, unchanged on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Similarweb’s revenue?
Similarweb reported revenue of 282.6M USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings
Have Similarweb insiders bought or sold shares recently?
In the 90 days to 10 Nov 2026, Similarweb insiders reported 16 open-market sales and no purchases (SEC Form 4); none has bought on the open market since 1 Jun 2026. A further 3 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders
Which funds own Similarweb?
7 of the 45 funds we track reported a Similarweb position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were ARK Investment Management, Renaissance Technologies and Citadel Advisors. See Funds
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
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- SECSEC fails-to-deliver (CNS) data
- SEC EDGARXBRL company facts, latest period ended 31 Dec 2025