Among active 13F managers last quarter, 11 opened and 3 added, while 2 reduced; the largest holder to move was Perceptive Advisors LLC (new position). Over the last 180 days, 7 insiders bought and none sold, a net +$7.9M in open-market trades.
Funds lean in and no leg opposes.
61 tracked 13F filers disclose a position in OTLK as of the latest SEC 13F filings, a combined $22.3M 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 | Vanguard Capital Management LLC | 4.4M | $7.0M | ▲+122% Added · +2.4M sh | Q2 2026 | |
| 2 | Armistice Capital, LLC | 4.2M | $858K | ▲New +4.2M sh | Q1 2026 | |
| 3 | Perceptive Advisors LLC | 3.1M | $5.0M | ▲New +3.1M sh | Q2 2026 | |
| 4 | BlackRock, Inc. | 1.7M | $2.7M | ▲+249% Added · +1.2M sh | Q2 2026 | |
| 5 | Geode Capital Management, LLC | 1.2M | $2.0M | ▲+106% Added · +642K sh | Q2 2026 | |
| 6 | Vanguard Fiduciary Trust Co | 662K | $1.1M | ▲+275% Added · +485K sh | Q2 2026 | |
| 7 | Gilpin Wealth Management, LLC | 555K | $882K | ▼−7.5% Reduced · −45K sh | Q2 2026 | |
| 8 | State Street Corp | 540K | $858K | ▲+231% Added · +377K sh | Q2 2026 | |
| 9 | Commonwealth Equity Services, LLC | 470K | $97K | ▲+318% Added · +358K sh | Q1 2026 | |
| 10 | Sanctuary Advisors, LLC | 345K | $548K | ▲New +345K sh | Q2 2026 | |
| 11 | Renaissance Technologies LLC | 255K | $53K | ▲New +255K sh | Q1 2026 | |
| 12 | Group One Trading LLC | 246K | $392K | ▲+117% Added · +133K sh | Q2 2026 | |
| 13 | Susquehanna International Group, LLP | 134K | $28K | ▼−22% Reduced · −38K sh | Q1 2026 | |
| 14 | UBS Group AG | 133K | $27K | ▼−36% Reduced · −76K sh | Q1 2026 | |
| 15 | Simplex Trading, LLC | 133K | $27K | ▲+25% Added · +27K sh | Q1 2026 | |
| 16 | Wealth Management Partners, LLC | 118K | $188K | ▲New +118K sh | Q2 2026 | |
| 17 | Northern Trust Corp | 67K | $14K | —Held | Q1 2026 | |
| 18 | Jefferies Financial Group Inc. | 63K | $99K | ▲New +63K sh | Q2 2026 | |
| 19 | XTX Topco Ltd | 53K | $11K | ▲+75% Added · +23K sh | Q1 2026 | |
| 20 | Royal Fund Management, LLC | 47K | $75K | ▲New +47K sh | Q2 2026 | |
| 21 | Scotia Capital Inc. | 46K | $74K | ▲Added Added · +46K sh | Q2 2026 | |
| 22 | Vanguard Global Advisers, LLC | 41K | $65K | ▲+496% Added · +34K sh | Q2 2026 | |
| 23 | LPL Financial LLC | 34K | $7K | ▲+54% Added · +12K sh | Q1 2026 | |
| 24 | Corient Private Wealth LP | 30K | $6K | ▲New +30K sh | Q1 2026 | |
| 25 | Steward Partners Investment Advisory, LLC | 30K | $47K | ▲2k× Added · +29K 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, 11 funds opened a new position in OTLK and 3 added to an existing one, while 2 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 | 21 funds | $1.8B |
| Micron Technology IncMU | 20 funds | $1.1B |
| Microsoft CorpMSFT | 20 funds | $818.4M |
| Alphabet Inc-CL AGOOGL | 20 funds | $775.1M |
| Advanced Micro DevicesAMD | 20 funds | $467.1M |
| Berkshire Hathaway Inc-CL BBRK/B | 20 funds | $335.5M |
| Apple IncAAPL | 19 funds | $2.2B |
| Amazon.com IncAMZN | 19 funds | $761.4M |
| Chevron CorpCVX | 19 funds | $598.4M |
| Intel CorpINTC | 19 funds | $485.2M |
| Eli Lilly & CoLLY | 19 funds | $332.8M |
| Costco Wholesale CorpCOST | 19 funds | $258.0M |
Ranked by how many of OTLK's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in OTLK.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | Kenyon Lawrence A | Chief Financial Officer, Director | Buy (P) | 101K | — |
| Aug 14, 2026 | Jahr Robert Charles | Chief Executive Officer, Director | Buy (P) | 152K | — |
| Aug 12, 2026 | Sukhtian Ghiath M. | Director, 10% Owner | Buy (P) | 2.5M | $2.5M |
| Jul 29, 2026 | Sukhtian Faisal Ghiath | Director | Buy (P) | 95K | $100K |
| Jun 2, 2026 | Haddadin Yezan Munther | Director | Buy (P) | 29K | $24K |
| May 28, 2026 | Sukhtian Ghiath M. | Director, 10% Owner | Buy (P) | 8.5M | $5.0M |
| May 27, 2026 | Sukhtian Faisal Ghiath | Director | Buy (P) | 122K | $50K |
| May 26, 2026 | Hilzinger Kurt J | Director | Buy (P) | 400K | $177K |
| May 26, 2026 | Haddadin Yezan Munther | Director | Buy (P) | 34K | $15K |
| May 26, 2026 | Thurman Randy H | Director | Buy (P) | 5K | $2K |
| Sep 26, 2024 | Kenyon Lawrence A | Chief Financial Officer, Director | Buy (P) | 5K | $28K |
| Apr 15, 2024 | Syntone Ventures LLC | 10% Owner | Buy (P) | 714K | — |
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 | 19 | 11 | – |
Insiders Form 4 open-market | 7 | 0 | +$7.9M |
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.
Connected entities for OTLK
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/OTLK/capital-change-brief"
Use Arkolith's capital_change_brief for OTLK. 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 OTLK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.