15 tracked 13F filers disclose a position in TSLZ as of the latest SEC 13F filings, a combined $4.3M 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 | Genesis Financial Group, LLC | $844K | 53K | ▲New +53K sh | Q1 2026 | |
| 2 | IMC-Chicago, LLC | $764K | 48K | ▼−18% Reduced · −11K sh | Q1 2026 | |
| 3 | Optiver Holding B.V. | $656K | 41K | ▲+417% Added · +33K sh | Q1 2026 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $594K | 37K | ▼−80% Reduced · −153K sh | Q1 2026 | |
| 5 | JANE STREET GROUP, LLC | $466K | 29K | ▲New +29K sh | Q1 2026 | |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $300K | 19K | ▼−84% Reduced · −100K sh | Q1 2026 | |
| 7 | GROUP ONE TRADING LLC | $192K | 12K | ▲1k× Added · +12K sh | Q1 2026 | |
| 8 | Scientech Research LLC | $175K | 11K | ▼−50% Reduced · −11K sh | Q1 2026 | |
| 9 | StoneX Group Inc. | $173K | 11K | ▼−71% Reduced · −26K sh | Q1 2026 | |
| 10 | MORGAN STANLEY | $79K | 5K | ▲+196% Added · +3K sh | Q1 2026 | |
| 11 | UBS Group AG | $38K | 2K | —Held | Q1 2026 | |
| 12 | SIMPLEX TRADING, LLC | $11K | 694 | ▲+663% Added · +603 sh | Q1 2026 | |
| 13 | Tower Research Capital LLC (TRC) | $3K | 171 | ▲57× Added · +168 sh | Q1 2026 | |
| 14 | Federation des caisses Desjardins du Quebec | $349 | 22 | —Held | Q1 2026 | |
| 15 | Farther Finance Advisors, LLC | $106 | 7 | —Held | 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, 1 fund opened a new position in TSLZ and 1 added to an existing one, while 3 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 4 funds | $685.7M |
| AMAZON.COM INCAMZN | 4 funds | $538.5M |
| ALPHABET INC-CL AGOOGL | 4 funds | $513.1M |
| SHOPIFY INC - CLASS ASHOP | 4 funds | $345.4M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 4 funds | $266.8M |
| BROADCOM INCAVGO | 4 funds | $246.6M |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $222.6M |
| JPMORGAN CHASE & COJPM | 4 funds | $218.3M |
| VISA INC-CLASS A SHARESV | 4 funds | $193.0M |
| JOHNSON & JOHNSONJNJ | 4 funds | $176.2M |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $166.2M |
| BANK OF AMERICA CORPBAC | 4 funds | $132.8M |
Ranked by how many of TSLZ's institutional holders also hold each name, a cross-fund conviction signal.
No filings captured for this ticker in the live stream yet.
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/TSLZ/capital-change-brief"
Use Arkolith's capital_change_brief for TSLZ. 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 TSLZ. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.