The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query KNSA owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/KNSA"
Use Arkolith to show who owns KNSA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Rubric Capital Management LP | $180.6M | 3.8M | ▲+13% Added · +421K sh | Q1 2026 | |
| 2 | BAKER BROS. ADVISORS LP | $136.1M | 2.8M | —Held | Q1 2026 | |
| 3 | TANG CAPITAL MANAGEMENT LLC | $108.8M | 2.3M | —Held | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $85.0M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 5 | Connor, Clark & Lunn Investment Management Ltd. | $31.3M | 650K | ▼−12% Reduced · −90K sh | Q1 2026 | |
| 6 | Point72 Asset Management, L.P. | $30.9M | 641K | ▼−20% Reduced · −156K sh | Q1 2026 | |
| 7 | RICE HALL JAMES & ASSOCIATES, LLC | $29.3M | 608K | ▲+2.0% Added · +12K sh | Q1 2026 | |
| 8 | Soleus Capital Management, L.P. | $25.1M | 521K | ▼−11% Reduced · −66K sh | Q1 2026 | |
| 9 | CITADEL ADVISORS LLC | $22.9M | 475K | ▼−36% Reduced · −267K sh | Q1 2026 | |
| 10 | OBERWEIS ASSET MANAGEMENT INC/ | $15.3M | 319K | ▲+1.9% Added · +6K sh | Q1 2026 | |
| 11 | ArrowMark Colorado Holdings LLC | $15.3M | 317K | ▼−5.0% Reduced · −17K sh | Q1 2026 | |
| 12 | BRAIDWELL LP | $13.1M | 273K | ▼−13% Reduced · −41K sh | Q1 2026 | |
| 13 | Granahan Investment Management, LLC | $10.1M | 209K | ▼−34% Reduced · −107K sh | Q1 2026 | |
| 14 | CASTLEARK MANAGEMENT LLC | $8.7M | 182K | ▼−5.5% Reduced · −11K sh | Q1 2026 | |
| 15 | PEREGRINE CAPITAL MANAGEMENT LLC | $8.7M | 181K | ▼−14% Reduced · −30K sh | Q1 2026 | |
| 16 | ORBIMED ADVISORS LLC | $8.7M | 181K | ▼−3.5% Reduced · −7K sh | Q1 2026 | |
| 17 | Trexquant Investment LP | $6.5M | 135K | ▼−40% Reduced · −90K sh | Q1 2026 | |
| 18 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $6.5M | 135K | ▼−41% Reduced · −94K sh | Q1 2026 | |
| 19 | Man Group plc | $6.1M | 127K | ▲+222% Added · +88K sh | Q1 2026 | |
| 20 | Universal- Beteiligungs- und Servicegesellschaft mbH | $5.0M | 105K | ▲+78% Added · +46K sh | Q1 2026 | |
| 21 | STATE STREET CORP | $3.7M | 77K | ▲+5.0% Added · +4K sh | Q1 2026 | |
| 22 | Hennion & Walsh Asset Management, Inc. | $3.2M | 67K | ▼−15% Reduced · −12K sh | Q1 2026 | |
| 23 | OpenArc Corporate Advisory, LLC | $2.3M | 48K | ▲+43% Added · +14K sh | Q1 2026 | |
| 24 | Schonfeld Strategic Advisors LLC | $2.1M | 44K | ▼−32% Reduced · −20K sh | Q1 2026 | |
| 25 | Jain Global LLC | $2.1M | 43K | ▲+35% Added · +11K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 14K | $249K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Sell (S) | 19K | $867K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 2K | $47K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 14K | $0 |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Sell (S) | 18K | $820K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 11K | $187K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 10K | $277K |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 2K | $0 |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 10K | $0 |
| Mar 9, 2026 | Ragosa Mark | CHIEF FINANCIAL OFFICER | Option exercise (M) | 11K | $0 |
| Mar 2, 2026 | Paolini John F. | CHIEF MEDICAL OFFICER | Sell (S) | 22K | $997K |
| Mar 2, 2026 | Paolini John F. | CHIEF MEDICAL OFFICER | Option exercise (M) | 40K | $414K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 68 funds | $31.7B |
| ELI LILLY & COLLY | 68 funds | $8.5B |
| ALPHABET INC-CL AGOOGL | 67 funds | $21.9B |
| NVIDIA CORPNVDA | 66 funds | $47.4B |
| AMAZON.COM INCAMZN | 66 funds | $27.0B |
| JPMORGAN CHASE & COJPM | 66 funds | $9.5B |
| INTUITIVE SURGICAL INCISRG | 66 funds | $3.2B |
| BOSTON SCIENTIFIC CORPBSX | 66 funds | $2.3B |
| META PLATFORMS INC-CLASS AMETA | 65 funds | $15.1B |
| VISA INC-CLASS A SHARESV | 65 funds | $7.4B |
| MICRON TECHNOLOGY INCMU | 65 funds | $7.1B |
| COSTCO WHOLESALE CORPCOST | 65 funds | $5.9B |
Ranked by how many of KNSA's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for KNSA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.