Among active 13F managers last quarter, 6 opened and 25 added, while 27 reduced; the largest holder to move was Rubric Capital Management LP (+6.7%). Over the last 180 days, 6 insiders sold and none bought, a net -$34.7M in open-market trades.
The legs disagree, or only one of them leans.
226 tracked 13F filers disclose a position in KNSA as of the latest SEC 13F filings, a combined $2.7B 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 | FMR LLC | 7.0M | $445.8M | ▲+2.2% Added · +148K sh | Q2 2026 | |
| 2 | Rubric Capital Management LP | 4.0M | $255.8M | ▲+6.7% Added · +250K sh | Q2 2026 | |
| 3 | Baker Bros. Advisors LP | 2.8M | $181.3M | ▲+0.3% Added · +8K sh | Q2 2026 | |
| 4 | BlackRock, Inc. | 2.7M | $175.2M | ▲+463% Added · +2.3M sh | Q2 2026 | |
| 5 | Tang Capital Management LLC | 2.3M | $144.5M | —Held | Q2 2026 | |
| 6 | Vanguard Portfolio Management LLC | 1.9M | $122.2M | ▲+8.2% Added · +145K sh | Q2 2026 | |
| 7 | Vanguard Capital Management LLC | 1.4M | $87.0M | ▲+2.1% Added · +28K sh | Q2 2026 | |
| 8 | Morgan Stanley | 998K | $48.0M | ▼−27% Reduced · −362K sh | Q1 2026 | |
| 9 | D. E. Shaw & Co., Inc. | 959K | $46.2M | ▼−23% Reduced · −282K sh | Q1 2026 | |
| 10 | Spruce Street Capital LP | 918K | $58.7M | ▲+21% Added · +157K sh | Q2 2026 | |
| 11 | Arrowstreet Capital, Limited Partnership | 893K | $43.0M | ▼−16% Reduced · −176K sh | Q1 2026 | |
| 12 | Dimensional Fund Advisors LP | 812K | $39.1M | ▲+19% Added · +128K sh | Q1 2026 | |
| 13 | Bank Of America Corp | 736K | $35.4M | ▲+221% Added · +507K sh | Q1 2026 | |
| 14 | State Street Corp | 704K | $45.0M | ▲+819% Added · +628K sh | Q2 2026 | |
| 15 | Qube Research & Technologies Ltd | 687K | $33.1M | ▼−10% Reduced · −79K sh | Q1 2026 | |
| 16 | Point72 Asset Management, L.P. | 659K | $42.2M | ▲+2.9% Added · +19K sh | Q2 2026 | |
| 17 | BNP Paribas Financial Markets | 648K | $31.2M | ▼−22% Reduced · −184K sh | Q1 2026 | |
| 18 | Rice Hall James & Associates, LLC | 625K | $40.0M | ▲+2.7% Added · +17K sh | Q2 2026 | |
| 19 | Pictet Asset Management Holding SA | 623K | $30.0M | ▼−21% Reduced · −164K sh | Q1 2026 | |
| 20 | Geode Capital Management, LLC | 604K | $38.6M | ▲14× Added · +560K sh | Q2 2026 | |
| 21 | AllianceBernstein L.P. | 599K | $24.7M | ▲+82% Added · +271K sh | Q1 2026 | |
| 22 | Connor, Clark & Lunn Investment Management Ltd. | 573K | $36.6M | ▼−12% Reduced · −77K sh | Q2 2026 | |
| 23 | Millennium Management LLC | 564K | $27.2M | ▼−32% Reduced · −261K sh | Q1 2026 | |
| 24 | Deutsche Bank AG | 524K | $25.2M | ▼−17% Reduced · −107K sh | Q1 2026 | |
| 25 | Victory Capital Management Inc | 507K | $24.4M | ▼−1.1% Reduced · −6K 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 KNSA and 25 added to an existing one, while 27 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 |
|---|---|---|
| Amazon.com IncAMZN | 117 funds | $152.5B |
| Microsoft CorpMSFT | 116 funds | $196.7B |
| Eli Lilly & CoLLY | 115 funds | $64.3B |
| Nvidia CorpNVDA | 114 funds | $304.8B |
| Alphabet Inc-CL AGOOGL | 113 funds | $138.3B |
| JPMorgan Chase & CoJPM | 111 funds | $49.4B |
| Apple IncAAPL | 110 funds | $222.0B |
| Visa Inc-Class A SharesV | 110 funds | $46.1B |
| Costco Wholesale CorpCOST | 110 funds | $26.6B |
| Broadcom IncAVGO | 109 funds | $126.9B |
| Meta Platforms Inc-Class AMETA | 108 funds | $78.9B |
| Mastercard Inc - AMA | 108 funds | $44.4B |
Ranked by how many of KNSA's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in KNSA.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 3, 2026 | Megna Michael R | CHIEF ACCOUNTING OFFICER | Sell (S) | 5K | $369K |
| Jul 29, 2026 | Cole G Bradley | Director | Sell (S) | 4K | $299K |
| May 1, 2026 | Patel Sanj K | CHAIRMAN & CEO, Director | Sell (S) | 49K | $2.6M |
| May 1, 2026 | Paolini John F. | CHIEF MEDICAL OFFICER | Sell (S) 2 lots, same day | 58K | $3.1M |
| Apr 30, 2026 | Patel Sanj K | CHAIRMAN & CEO, Director | Sell (S) | 2K | $116K |
| Apr 29, 2026 | Patel Sanj K | CHAIRMAN & CEO, Director | Sell (S) | 23K | $1.2M |
| Apr 28, 2026 | Quart Barry D | Director | Sell (S) | 13K | $656K |
| Apr 28, 2026 | Patel Sanj K | CHAIRMAN & CEO, Director | Sell (S) 4 lots, same day | 484K | $25.1M |
| Apr 9, 2026 | Megna Michael R | CHIEF ACCOUNTING OFFICER | Sell (S) | 7K | $309K |
| Apr 9, 2026 | Moat Ross | CHIEF OPERATING OFFICER | Sell (S) | 2K | $80K |
| Apr 6, 2026 | Patel Sanj K | CHAIRMAN & CEO, Director | Sell (S) | 7K | $364K |
| Apr 6, 2026 | Quart Barry D | Director | Sell (S) | 7K | $345K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
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 | 45 | 39 | – |
Insiders Form 4 open-market | 0 | 6 | -$34.7M |
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 KNSA
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/KNSA/capital-change-brief"
Use Arkolith's capital_change_brief for KNSA. 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 KNSA. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.