Among active 13F managers last quarter, 17 opened and 8 added, while 10 reduced; the largest holder to move was AIGH Capital Management LLC (new position). Over the last 180 days, 10 insiders sold and 1 insider bought, a net -$4.2M in open-market trades.
The legs disagree, or only one of them leans.
59 tracked 13F filers disclose a position in SOPH as of the latest SEC 13F filings, a combined $161.7M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Generation Investment Management LLP | 6.8M | $39.2M | —Held | Q2 2026 | |
| 2 | AIGH Capital Management LLC | 4.0M | $22.8M | ▲New +4.0M sh | Q2 2026 | |
| 3 | Akre Capital Management LLC | 3.7M | $21.5M | —Held | Q2 2026 | |
| 4 | Banque Pictet & Cie Sa | 2.2M | $12.7M | —Held | Q2 2026 | |
| 5 | AWM Investment Company, Inc. | 1.7M | $9.8M | ▲New +1.7M sh | Q2 2026 | |
| 6 | Soleus Capital Management, L.P. | 1.6M | $9.0M | ▼−15% Reduced · −285K sh | Q2 2026 | |
| 7 | Principal Financial Group Inc | 1.4M | $7.0M | ▲+0.7% Added · +10K sh | Q1 2026 | |
| 8 | Alta Wealth Advisors LLC | 1.4M | $8.1M | —Held | Q2 2026 | |
| 9 | Kennedy Capital Management LLC | 928K | $4.6M | ▲New +928K sh | Q1 2026 | |
| 10 | Archon Capital Management LLC | 691K | $4.0M | ▲+57% Added · +250K sh | Q2 2026 | |
| 11 | Essex Investment Management Co LLC | 663K | $3.8M | ▼−4.2% Reduced · −29K sh | Q2 2026 | |
| 12 | Ensign Peak Advisors, Inc | 445K | $2.6M | ▼−0.1% Reduced · −300 sh | Q2 2026 | |
| 13 | Hodges Capital Management Inc. | 409K | $2.4M | ▼−6.1% Reduced · −27K sh | Q2 2026 | |
| 14 | Sei Investments Co | 358K | $1.8M | ▲New +358K sh | Q1 2026 | |
| 15 | Bank Pictet & Cie (Europe) AG | 255K | $1.5M | —Held | Q2 2026 | |
| 16 | Legato Capital Management LLC | 223K | $1.3M | ▲+3.2% Added · +7K sh | Q2 2026 | |
| 17 | 1492 Capital Management LLC | 222K | $1.3M | ▼−1.6% Reduced · −4K sh | Q2 2026 | |
| 18 | Edmond De Rothschild Holding S.A. | 200K | $1.2M | ▼−1.6% Reduced · −3K sh | Q2 2026 | |
| 19 | Federated Hermes, Inc. | 190K | $941K | ▲+1.2% Added · +2K sh | Q1 2026 | |
| 20 | Rathbones Group PLC | 149K | $738K | ▼−6.9% Reduced · −11K sh | Q1 2026 | |
| 21 | Quadrature Capital Ltd | 104K | $597K | ▲Added Added · +104K sh | Q2 2026 | |
| 22 | Geode Capital Management, LLC | 99K | $572K | ▲+7.6% Added · +7K sh | Q2 2026 | |
| 23 | Hennion & Walsh Asset Management, Inc. | 98K | $567K | ▲New +98K sh | Q2 2026 | |
| 24 | UBS Group AG | 92K | $457K | ▲+49% Added · +30K sh | Q1 2026 | |
| 25 | Silverberg Bernstein Capital Management LLC | 67K | $386K | ▲+29% Added · +15K 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, 17 funds opened a new position in SOPH and 8 added to an existing one, while 10 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 |
|---|---|---|
| Microsoft CorpMSFT | 34 funds | $59.7B |
| Nvidia CorpNVDA | 32 funds | $83.9B |
| Amazon.com IncAMZN | 32 funds | $46.5B |
| Alphabet Inc-CL AGOOGL | 32 funds | $40.3B |
| Apple IncAAPL | 31 funds | $64.0B |
| Eli Lilly & CoLLY | 31 funds | $17.2B |
| JPMorgan Chase & CoJPM | 31 funds | $16.6B |
| Micron Technology IncMU | 31 funds | $10.1B |
| Unitedhealth Group IncUNH | 31 funds | $7.2B |
| General ElectricGE | 31 funds | $5.2B |
| Johnson & JohnsonJNJ | 30 funds | $10.8B |
| Advanced Micro DevicesAMD | 30 funds | $9.4B |
Ranked by how many of SOPH's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in SOPH.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 14, 2026 | Xu Zhenyu | Chief Scientific Officer | Sell (S) | 4K | $32K |
| Sep 14, 2026 | Menu Philippe | Chief Medical Officer | Sell (S) | 5K | $39K |
| Sep 11, 2026 | Van Well Daan | Chief Legal Officer | Sell (S) | 6K | $47K |
| Sep 10, 2026 | Camblong Jurgi | Executive Chairman, Director | Sell (S) | 9K | $65K |
| Sep 8, 2026 | Hibbs Kathy L | Director | Sell (S) | 6K | $51K |
| Aug 27, 2026 | Xu Zhenyu | Chief Scientific Officer | Sell (S) | 10K | $89K |
| Aug 25, 2026 | Hibbs Kathy L | Director | Sell (S) | 6K | $54K |
| Aug 25, 2026 | Menu Philippe | Chief Medical Officer | Sell (S) | 5K | $43K |
| Aug 24, 2026 | Verma Abhimanyu | Chief Technology Officer | Sell (S) | 5K | $44K |
| Aug 21, 2026 | Xu Zhenyu | Chief Scientific Officer | Sell (S) | 5K | $45K |
| Aug 20, 2026 | Xu Zhenyu | Chief Scientific Officer | Sell (S) | 5K | $39K |
| Aug 19, 2026 | Verma Abhimanyu | Chief Technology Officer | Sell (S) | 5K | $41K |
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 | 16 | 13 | – |
Insiders Form 4 open-market | 1 | 10 | -$4.2M |
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 SOPH
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/SOPH/capital-change-brief"
Use Arkolith's capital_change_brief for SOPH. 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 SOPH. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.