9 tracked 13F filers disclose a position in BCTXL as of the latest SEC 13F filings, a combined $2.6M 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 | CITADEL ADVISORS LLC | $1.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 2 | ARMISTICE CAPITAL, LLC | $553K | 537K | ▲New +537K sh | Q1 2026 | |
| 3 | Cable Car Capital, LP | $332K | 322K | ▲New +322K sh | Q1 2026 | |
| 4 | HEIGHTS CAPITAL MANAGEMENT, INC | $300K | 300K | ▲New +300K sh | Q1 2026 | |
| 5 | Hudson Bay Capital Management LP | $125K | 125K | ▲New +125K sh | Q1 2026 | |
| 6 | Clear Street Group Inc. | $107K | 104K | ▲New +104K sh | Q1 2026 | |
| 7 | IRIDIAN ASSET MANAGEMENT LLC/CT | $58K | 65K | —Held | Q2 2026 | |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $24K | 24K | ▼−64% Reduced · −43K sh | Q1 2026 | |
| 9 | BOOTHBAY FUND MANAGEMENT, LLC | $84K | 20K | ▲New +20K 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, 6 funds opened a new position in BCTXL, while 0 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 | 4 funds | $9.7B |
| AMAZON.COM INCAMZN | 4 funds | $3.1B |
| APPLE INCAAPL | 4 funds | $2.8B |
| MICROSOFT CORPMSFT | 4 funds | $2.3B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.8B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.6B |
| TESLA INCTSLA | 4 funds | $1.6B |
| ADVANCED MICRO DEVICESAMD | 4 funds | $1.6B |
| ALPHABET INC-CL AGOOGL | 4 funds | $1.5B |
| BROADCOM INCAVGO | 4 funds | $1.2B |
| ALPHABET INC-CL CGOOG | 4 funds | $1.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 4 funds | $1.0B |
Ranked by how many of BCTXL's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
No filings captured for this ticker in the live stream yet.
This stock 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/BCTXL/capital-change-brief"
Use Arkolith's capital_change_brief for BCTXL. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for BCTXL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.