54 tracked 13F filers disclose a position in STEX as of the latest SEC 13F filings, a combined $17.1M 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 | Legacy Wealth Managment, LLC/ID | $3.7M | 6.2M | ▲+73% Added · +2.6M sh | Q1 2025 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $4.5M | 4.0M | →First observed position No prior filed position | Q1 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $1.1M | 1.3M | ▲+37% Added · +338K sh | Q2 2026 | |
| 4 | BlackRock, Inc. | $1.1M | 933K | ▲+849% Added · +835K sh | Q1 2026 | |
| 5 | MILLENNIUM MANAGEMENT LLC | $818K | 724K | ▲+113% Added · +384K sh | Q1 2026 | |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $748K | 662K | ▲+127% Added · +371K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $514K | 604K | ▲+111% Added · +318K sh | Q2 2026 | |
| 8 | Shay Capital LLC | $636K | 563K | ▲+286% Added · +417K sh | Q1 2026 | |
| 9 | MARSHALL WACE, LLP | $607K | 537K | ▲+787% Added · +476K sh | Q1 2026 | |
| 10 | VANGUARD FIDUCIARY TRUST CO | $483K | 427K | →First observed position No prior filed position | Q1 2026 | |
| 11 | RENAISSANCE TECHNOLOGIES LLC | $454K | 402K | ▲New +402K sh | Q1 2026 | |
| 12 | Rossby Financial, LCC | $327K | 385K | ▲+20% Added · +64K sh | Q2 2026 | |
| 13 | NATIONAL BANK OF CANADA /FI/ | $370K | 330K | ▲+560% Added · +280K sh | Q1 2026 | |
| 14 | NorthCoast Asset Management LLC | $177K | 208K | ▼−13% Reduced · −30K sh | Q2 2026 | |
| 15 | NORTHERN TRUST CORP | $205K | 181K | ▲+176% Added · +116K sh | Q1 2026 | |
| 16 | UBS Group AG | $197K | 174K | ▲+48% Added · +57K sh | Q1 2026 | |
| 17 | PFG Investments, LLC | $148K | 131K | ▲+34% Added · +33K sh | Q1 2026 | |
| 18 | Quattro Advisors LLC | $88K | 103K | —Held | Q2 2026 | |
| 19 | Savant Capital, LLC | $79K | 84K | ▲+195% Added · +55K sh | Q2 2026 | |
| 20 | XTX Topco Ltd | $84K | 75K | ▲New +75K sh | Q1 2026 | |
| 21 | Squarepoint Ops LLC | $80K | 71K | ▲+100% Added · +35K sh | Q1 2026 | |
| 22 | BOOTHBAY FUND MANAGEMENT, LLC | $79K | 70K | ▲New +70K sh | Q1 2026 | |
| 23 | GREENLEAF TRUST | $78K | 69K | —Held | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $70K | 62K | ▼−53% Reduced · −70K sh | Q1 2026 | |
| 25 | TRUIST FINANCIAL CORP | $55K | 49K | ▼−3.5% Reduced · −2K 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 STEX and 10 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 | 25 funds | $12.5B |
| APPLE INCAAPL | 25 funds | $10.5B |
| ALPHABET INC-CL AGOOGL | 25 funds | $5.2B |
| TESLA INCTSLA | 25 funds | $3.6B |
| COSTCO WHOLESALE CORPCOST | 25 funds | $1.9B |
| MICROSOFT CORPMSFT | 24 funds | $7.3B |
| AMAZON.COM INCAMZN | 24 funds | $6.9B |
| BROADCOM INCAVGO | 24 funds | $4.7B |
| META PLATFORMS INC-CLASS AMETA | 24 funds | $4.5B |
| VISA INC-CLASS A SHARESV | 24 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 23 funds | $4.9B |
| ALPHABET INC-CL CGOOG | 23 funds | $3.7B |
Ranked by how many of STEX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 12, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 25K | $25K |
| Jun 12, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 25K | $25K |
| Jun 1, 2026 | Williams Mitchell Young | Chief Investment Officer, Director | Sell (S) | 24K | $25K |
| May 28, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 34K | $50K |
| May 21, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 41K | $42K |
| May 21, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 54K | $56K |
| May 21, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Buy (P) | 52K | $55K |
| May 21, 2026 | Marciano Anthony Mark | Director | Buy (P) | 18K | $20K |
| May 1, 2026 | Williams Mitchell Young | Chief Investment Officer, Director | Sell (S) | 264K | $210K |
| Apr 15, 2026 | Plummer Christine Marie | Chief Financial Officer | Sell (S) | 3K | $3K |
| Apr 14, 2026 | Lekstrom Morgan Lee | Interim Executive Chairman, Director | Sell (S) | 13K | $14K |
| Apr 14, 2026 | McPhie Karl Henry Michael | CEO, Director | Sell (S) | 31K | $33K |
| Class | 13F holders | Value held |
|---|---|---|
| STEXthis pageStock | 54 funds | $17.1M |
| 09073N900CALL | 1 funds | $1K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for STEX
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/STEX/capital-change-brief"
Use Arkolith's capital_change_brief for STEX. 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 STEX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.