4 tracked 13F filers disclose a position in BCTXZ as of the latest SEC 13F filings, a combined $45K 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 | HEIGHTS CAPITAL MANAGEMENT, INC | $31K | 313K | ▼−42% Reduced · −227K sh | Q2 2026 | |
| 2 | SABBY MANAGEMENT, LLC | $11K | 121K | ▼−42% Reduced · −86K sh | Q2 2026 | |
| 3 | TWO SIGMA SECURITIES, LLC | $1K | 15K | ▲New +15K sh | Q2 2026 | |
| 4 | UBS Group AG | $658 | 5K | ▲939× Added · +5K 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, 1 fund opened a new position in BCTXZ, while 2 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 |
|---|---|---|
| AMC ENTERTAINMENT HLDS-CL AAMC | 2 funds | $24.0M |
| TOYO CO LTDTOYO | 2 funds | $10.4M |
| SS SPDR S&P 500 ETF TRUST-USSPY | 2 funds | $5.6M |
| PROQR THERAPEUTICS NVPRQR | 2 funds | $5.2M |
| CABALETTA BIO INCCABA | 2 funds | $2.4M |
| VISHAY INTERTECHNOLOGY INCVSH | 2 funds | $2.2M |
| HEALTH IN TECH INC-CLASS AHIT | 2 funds | $373K |
| BRIACELL THERAPEUTICS CORPBCTXL | 2 funds | $319K |
| SIDUS SPACE INC-CL ASIDU | 2 funds | $153K |
| INMED PHARMACEUTICALS INCINM | 2 funds | $87K |
Ranked by how many of BCTXZ'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.
| Class | 13F holders | Value held |
|---|---|---|
| BCTXSTOCK | 15 funds | $1.2M |
| BCTXL*W EXP 01/15/203 | 11 funds | $2.7M |
| 107930117*W EXP 99/99/999 | 4 funds | $45K |
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 BCTXZ
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/BCTXZ/capital-change-brief"
Use Arkolith's capital_change_brief for BCTXZ. 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 BCTXZ. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.