19 tracked 13F filers disclose a position in TSDD as of the latest SEC 13F filings, a combined $8.6M in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.8M | 168K | ▲+67% Added · +67K sh | Q1 2026 | |
| 2 | IMC-Chicago, LLC | $1.3M | 126K | ▲+58% Added · +47K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $1.1M | 110K | ▲Added Added · +110K sh | Q1 2026 | |
| 4 | Marex Group plc | $946K | 91K | ▲New +91K sh | Q1 2026 | |
| 5 | JANE STREET GROUP, LLC | $763K | 73K | ▲New +73K sh | Q1 2026 | |
| 6 | Jump Financial, LLC | $676K | 65K | ▼−29% Reduced · −26K sh | Q1 2026 | |
| 7 | StoneX Group Inc. | $646K | 62K | ▲+50% Added · +21K sh | Q1 2026 | |
| 8 | CANTOR FITZGERALD, L. P. | $493K | 47K | ▲New +47K sh | Q1 2026 | |
| 9 | XTX Topco Ltd | $277K | 27K | ▼−47% Reduced · −24K sh | Q1 2026 | |
| 10 | Optiver Holding B.V. | $253K | 24K | ▲+7.6% Added · +2K sh | Q1 2026 | |
| 11 | CITIGROUP INC | $193K | 19K | ▲5k× Added · +19K sh | Q1 2026 | |
| 12 | COLDSTREAM CAPITAL MANAGEMENT INC | $104K | 10K | ▲New +10K sh | Q1 2026 | |
| 13 | GROUP ONE TRADING LLC | $40K | 4K | ▲New +4K sh | Q1 2026 | |
| 14 | BANK OF MONTREAL /CAN/ | $10K | 1K | ▲New +1K sh | Q1 2026 | |
| 15 | SIMPLEX TRADING, LLC | $8K | 749 | ▲New +749 sh | Q1 2026 | |
| 16 | SBI Securities Co., Ltd. | $3K | 439 | ▼−46% Reduced · −374 sh | Q2 2026 | |
| 17 | UBS Group AG | $3K | 299 | ▼−56% Reduced · −387 sh | Q1 2026 | |
| 18 | MAI Capital Management | $2K | 215 | ▲New +215 sh | Q1 2026 | |
| 19 | Tower Research Capital LLC (TRC) | $1K | 100 | ▼−87% Reduced · −681 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.
Last quarter, 2 funds opened a new position in TSDD and 2 added to an existing one, while 4 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 8 funds | $4.3B |
| AMAZON.COM INCAMZN | 8 funds | $2.0B |
| MICROSOFT CORPMSFT | 8 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 8 funds | $1.8B |
| BROADCOM INCAVGO | 8 funds | $1.6B |
| TESLA INCTSLA | 8 funds | $1.3B |
| META PLATFORMS INC-CLASS AMETA | 8 funds | $1.2B |
| ALPHABET INC-CL AGOOGL | 8 funds | $1.1B |
| JPMORGAN CHASE & COJPM | 8 funds | $899.2M |
| SANDISK CORPSNDK | 8 funds | $836.9M |
| LUMENTUM HOLDINGS INCLITE | 8 funds | $746.4M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 8 funds | $739.7M |
Ranked by how many of TSDD's institutional holders also hold each name, a cross-fund conviction signal.
| Class | 13F holders | Value held |
|---|---|---|
| NVDLLONG NVDA DAI | 64 funds | $129.0M |
| COMBmc | 32 funds | $69.2M |
| AMDLGRANITE 2X LONG | 26 funds | $43.2M |
| CONLLONG COIN DAI | 23 funds | $64.9M |
| HIPSMF Closed and MF Open | 21 funds | $20.4M |
| NVDETF | 20 funds | $15.8M |
| DRUPNASDAQ SELECT DI | 20 funds | $6.7M |
| TSDDthis pageSHORT TSLA DA | 19 funds | $8.6M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for TSDD
This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TSDD/capital-change-brief"
Use Arkolith's capital_change_brief for TSDD. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for TSDD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.