The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query SDS owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SDS"
Use Arkolith to show who owns SDS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Bedell Frazier Investment Counselling, LLC | $12.4M | 164K | ▲New +164K sh | Q1 2026 | |
| 2 | Integrated Advisors Network LLC | $11.3M | 150K | ▲14× Added · +139K sh | Q1 2026 | |
| 3 | IMC-Chicago, LLC | $7.7M | 102K | ▲+12% Added · +11K sh | Q1 2026 | |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.2M | 82K | ▲+42% Added · +24K sh | Q1 2026 | |
| 5 | GOLDMAN SACHS GROUP INC | $3.9M | 52K | ▼−48% Reduced · −48K sh | Q1 2026 | |
| 6 | UBS Group AG | $2.3M | 30K | ▲+153% Added · +18K sh | Q1 2026 | |
| 7 | Jump Financial, LLC | $1.3M | 17K | ▲New +17K sh | Q1 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $1.3M | 17K | ▲New +17K sh | Q1 2026 | |
| 9 | INDEPENDENT FINANCIAL GROUP, LLC | $1.2M | 16K | ▲+210% Added · +11K sh | Q1 2026 | |
| 10 | SIMPLEX TRADING, LLC | $805K | 11K | ▲+360% Added · +8K sh | Q1 2026 | |
| 11 | CHELSEA COUNSEL CO | $635K | 8K | —Held | Q1 2026 | |
| 12 | MILLENNIUM MANAGEMENT LLC | $602K | 8K | ▲+50% Added · +3K sh | Q1 2026 | |
| 13 | PINNACLE ASSOCIATES LTD | $437K | 6K | ▲New +6K sh | Q1 2026 | |
| 14 | GROUP ONE TRADING LLC | $435K | 6K | ▲170× Added · +6K sh | Q1 2026 | |
| 15 | Tower Research Capital LLC (TRC) | $295K | 4K | ▲+13% Added · +447 sh | Q1 2026 | |
| 16 | XTX Topco Ltd | $266K | 4K | ▼−27% Reduced · −1K sh | Q1 2026 | |
| 17 | Summit Financial, LLC | $264K | 4K | —Held | Q1 2026 | |
| 18 | NewEdge Advisors, LLC | $244K | 3K | ▲New +3K sh | Q1 2026 | |
| 19 | Vontobel Holding Ltd. | $228K | 3K | ▲New +3K sh | Q1 2026 | |
| 20 | Cassaday & Co Wealth Management LLC | $226K | 3K | —Held | Q1 2026 | |
| 21 | JPMORGAN CHASE & CO | $179K | 2K | ▼−11% Reduced · −265 sh | Q1 2026 | |
| 22 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $96K | 1K | ▲13× Added · +1K sh | Q1 2026 | |
| 23 | Parallel Advisors, LLC | $52K | 694 | ▲+197% Added · +460 sh | Q1 2026 | |
| 24 | BLAIR WILLIAM & CO/IL | $38K | 500 | ▼−17% Reduced · −100 sh | Q1 2026 | |
| 25 | JFS WEALTH ADVISORS, LLC | $38K | 500 | ▲New +500 sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| SQQQULTRAPRO SHORT | 51 funds | $226.5M |
| SDSthis pageULTRASHRT S&P500 | 34 funds | $52.3M |
| SPXUULTRAPRO SHORT S | 30 funds | $45.2M |
| SRTYULTRAPRO SHRT RU | 12 funds | $9.2M |
| ETHDULTRASHORT ETHER | 6 funds | $6.0M |
| CRCAULTRA CRCL NEW | 6 funds | $3.6M |
| 74350P691GENIUS MONEY MRK | 5 funds | $20.0B |
| 74350P584ULTRASHORT SEMIC | 5 funds | $2.6M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 15 funds | $4.9B |
| AMAZON.COM INCAMZN | 15 funds | $3.9B |
| BROADCOM INCAVGO | 15 funds | $1.9B |
| JPMORGAN CHASE & COJPM | 15 funds | $1.9B |
| VISA INC-CLASS A SHARESV | 15 funds | $1.5B |
| MASTERCARD INC - AMA | 15 funds | $1.3B |
| COSTCO WHOLESALE CORPCOST | 15 funds | $1.1B |
| ELI LILLY & COLLY | 15 funds | $1.0B |
| TESLA INCTSLA | 15 funds | $961.2M |
| WASTE MANAGEMENT INCWM | 15 funds | $957.6M |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 15 funds | $840.4M |
| CME GROUP INCCME | 15 funds | $747.7M |
Ranked by how many of SDS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SDS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.