Among active 13F managers last quarter, 14 opened and 4 added, while 1 reduced; the largest holder to move was Tema Etfs LLC (new position). Over the last 180 days, 1 insider bought and none sold, a net +$80K in open-market trades.
Funds lean in and no leg opposes.
46 tracked 13F filers disclose a position in OPTX as of the latest SEC 13F filings, a combined $32.9M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Tema Etfs LLC | 615K | $7.7M | ▲New +615K sh | Q2 2026 | |
| 2 | Tidal Investments LLC | 614K | $7.6M | ▲New +614K sh | Q2 2026 | |
| 3 | BlackRock, Inc. | 428K | $5.3M | ▲11× Added · +388K sh | Q2 2026 | |
| 4 | Geode Capital Management, LLC | 211K | $2.6M | ▲+132% Added · +120K sh | Q2 2026 | |
| 5 | Vanguard Capital Management LLC | 106K | $1.3M | ▲+54% Added · +37K sh | Q2 2026 | |
| 6 | Goldman Sachs Group Inc | 89K | $624K | ▲New +89K sh | Q1 2026 | |
| 7 | State Street Corp | 86K | $1.1M | ▲+253% Added · +62K sh | Q2 2026 | |
| 8 | Jane Street Group, LLC | 79K | $556K | ▲+478% Added · +65K sh | Q1 2026 | |
| 9 | Marshall Wace, LLP | 78K | $551K | ▲New +78K sh | Q1 2026 | |
| 10 | Vanguard Portfolio Management LLC | 77K | $955K | ▲New +77K sh | Q2 2026 | |
| 11 | Royal Bank Of Canada | 73K | $516K | ▲New +73K sh | Q1 2026 | |
| 12 | Vanguard Fiduciary Trust Co | 56K | $702K | ▲+52% Added · +19K sh | Q2 2026 | |
| 13 | Inspire Investing, LLC | 56K | $695K | ▲New +56K sh | Q2 2026 | |
| 14 | UBS Group AG | 46K | $326K | ▲+20% Added · +8K sh | Q1 2026 | |
| 15 | Millennium Management LLC | 36K | $254K | ▲New +36K sh | Q1 2026 | |
| 16 | Engineers Gate Manager LP | 31K | $392K | ▲+126% Added · +18K sh | Q2 2026 | |
| 17 | Tower Research Capital LLC (TRC) | 21K | $145K | ▲+691% Added · +18K sh | Q1 2026 | |
| 18 | Raymond James Financial Inc | 20K | $141K | ▲New +20K sh | Q1 2026 | |
| 19 | LPL Financial LLC | 20K | $138K | ▲New +20K sh | Q1 2026 | |
| 20 | State of Wyoming | 16K | $199K | ▲New +16K sh | Q2 2026 | |
| 21 | Marex Group Ltd | 16K | $194K | ▲New +16K sh | Q2 2026 | |
| 22 | McAdam, LLC | 14K | $169K | ▼−3.0% Reduced · −423 sh | Q2 2026 | |
| 23 | Northern Trust Corp | 12K | $84K | ▲New +12K sh | Q1 2026 | |
| 24 | Y-Intercept (Hong Kong) Ltd | 11K | $138K | ▲New +11K sh | Q2 2026 | |
| 25 | Crewe Advisors LLC | 10K | $125K | ▲+67% Added · +4K sh | Q2 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, 14 funds opened a new position in OPTX and 4 added to an existing one, while 1 reduced. 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 | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 20 funds | $5.7B |
| Apple IncAAPL | 20 funds | $4.0B |
| Microsoft CorpMSFT | 20 funds | $3.1B |
| Amazon.com IncAMZN | 20 funds | $3.0B |
| Broadcom IncAVGO | 20 funds | $2.3B |
| Meta Platforms Inc-Class AMETA | 20 funds | $1.9B |
| Tesla IncTSLA | 20 funds | $1.8B |
| Berkshire Hathaway Inc-CL BBRK/B | 20 funds | $746.6M |
| Palantir Technologies Inc-APLTR | 20 funds | $640.4M |
| Costco Wholesale CorpCOST | 20 funds | $511.4M |
| AT&T IncT | 20 funds | $326.5M |
| Newmont CorpNEM | 20 funds | $110.5M |
Ranked by how many of OPTX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in OPTX.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Manzone Albert | Director | Buy (P) | 4K | $30K |
| Apr 14, 2026 | Manzone Albert | Director | Buy (P) | 5K | $50K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 15 | 2 | – |
Insiders Form 4 open-market | 1 | 0 | +$80K |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
| Class | 13F holders | Value held |
|---|---|---|
| OPTXthis pageStock | 46 funds | $32.9M |
| OPTXWWTS | 13 funds | $5.9M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for OPTX
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/OPTX/capital-change-brief"
Use Arkolith's capital_change_brief for OPTX. 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 OPTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.