17 tracked 13F filers disclose a position in GDXU as of the latest SEC 13F filings, a combined $58.7M 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 | CITIGROUP INC | $24.9M | 124K | ▼−0.1% Reduced · −161 sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $18.9M | 94K | ▲47× Added · +92K sh | Q1 2026 | |
| 3 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5.5M | 28K | ▲+84% Added · +13K sh | Q1 2026 | |
| 4 | Jump Financial, LLC | $3.3M | 16K | ▼−21% Reduced · −4K sh | Q1 2026 | |
| 5 | Genesis Financial Group, LLC | $2.0M | 10K | ▼−2.9% Reduced · −300 sh | Q1 2026 | |
| 6 | TWO SIGMA SECURITIES, LLC | $1.6M | 8K | ▲+125% Added · +4K sh | Q1 2026 | |
| 7 | PNC FINANCIAL SERVICES GROUP, INC. | $1.0M | 5K | ▲+48% Added · +2K sh | Q1 2026 | |
| 8 | Militia Capital Management LLC | $483K | 2K | ▲New +2K sh | Q1 2026 | |
| 9 | Federation des caisses Desjardins du Quebec | $201K | 1K | ▲New +1K sh | Q1 2026 | |
| 10 | GAMCO INVESTORS, INC. ET AL | $201K | 1K | —Held | Q1 2026 | |
| 11 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $141K | 699 | ▲+35% Added · +180 sh | Q1 2026 | |
| 12 | UBS Group AG | $133K | 658 | ▼−55% Reduced · −801 sh | Q1 2026 | |
| 13 | Steward Partners Investment Advisory, LLC | $111K | 550 | —Held | Q1 2026 | |
| 14 | Spire Wealth Management | $67K | 333 | ▼−26% Reduced · −117 sh | Q1 2026 | |
| 15 | SIGNATUREFD, LLC | $60K | 300 | —Held | Q1 2026 | |
| 16 | OSAIC HOLDINGS, INC. | $30K | 150 | ▲+50% Added · +50 sh | Q1 2026 | |
| 17 | BARCLAYS PLC | $5K | 25 | ▲New +25 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 GDXU and 2 added to an existing one, 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 |
|---|---|---|
| NVIDIA CORPNVDA | 7 funds | $208.8M |
| AMAZON.COM INCAMZN | 7 funds | $129.0M |
| BROADCOM INCAVGO | 7 funds | $87.5M |
| VISA INC-CLASS A SHARESV | 7 funds | $32.7M |
| KINDER MORGAN INCKMI | 7 funds | $11.5M |
| ISHARES RUSSELL 2000 ETFIWM | 6 funds | $391.8M |
| TESLA INCTSLA | 6 funds | $107.5M |
| META PLATFORMS INC-CLASS AMETA | 6 funds | $96.4M |
| ALPHABET INC-CL AGOOGL | 6 funds | $95.3M |
| DEERE & CODE | 6 funds | $63.9M |
| CME GROUP INCCME | 6 funds | $57.1M |
| ADVANCED MICRO DEVICESAMD | 6 funds | $49.2M |
Ranked by how many of GDXU's institutional holders also hold each name, a cross-fund conviction signal.
| Class | 13F holders | Value held |
|---|---|---|
| GDXUthis pageMICROSCTR 3X LEV | 17 funds | $58.7M |
| FNGUFUND | 16 funds | $101.1M |
| SPYUNT LKD 43 | 12 funds | $4.2M |
| NRGUCALL NRGU 45 | 6 funds | $1.9M |
| 063679484CAL LKD 43 | 5 funds | $341K |
| FNGO2X LEVERAGED | 4 funds | $6.3M |
| OILUCAL LKD 41 | 4 funds | $2.5M |
| BULZNT LKD 41 | 4 funds | $2.0M |
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 GDXU
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/GDXU/capital-change-brief"
Use Arkolith's capital_change_brief for GDXU. 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 GDXU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.