64 tracked 13F filers disclose a position in PRQR as of the latest SEC 13F filings, a combined $61.7M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $10.1M | 6.3M | —Held | Q1 2026 | |
| 2 | Privium Fund Management B.V. | $10.3M | 5.5M | ▲+1.0% Added · +53K sh | Q2 2026 | |
| 3 | Aberdeen Group plc | $5.4M | 3.3M | ▲+12% Added · +366K sh | Q1 2026 | |
| 4 | HEIGHTS CAPITAL MANAGEMENT, INC | $5.1M | 2.8M | ▲New +2.8M sh | Q2 2026 | |
| 5 | Affinity Asset Advisors, LLC | $4.0M | 2.5M | —Held | Q1 2026 | |
| 6 | DAFNA Capital Management LLC | $2.5M | 1.6M | —Held | Q1 2026 | |
| 7 | Kynam Capital Management, LP | $2.5M | 1.6M | —Held | Q1 2026 | |
| 8 | Ikarian Capital, LLC | $2.4M | 1.5M | —Held | Q1 2026 | |
| 9 | 683 Capital Management, LLC | $2.6M | 1.4M | ▲New +1.4M sh | Q2 2026 | |
| 10 | MORGAN STANLEY | $2.1M | 1.3M | ▼−4.9% Reduced · −67K sh | Q1 2026 | |
| 11 | PLATINUM INVESTMENT MANAGEMENT LTD | $2.2M | 1.2M | ▼−6.2% Reduced · −76K sh | Q2 2026 | |
| 12 | Eversept Partners, LP | $1.9M | 1.0M | ▲New +1.0M sh | Q2 2026 | |
| 13 | TWO SIGMA INVESTMENTS, LP | $1.5M | 919K | ▲+9.5% Added · +79K sh | Q1 2026 | |
| 14 | Point72 Asset Management, L.P. | $1.2M | 756K | ▼−7.1% Reduced · −58K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $1.1M | 703K | ▲+21% Added · +120K sh | Q1 2026 | |
| 16 | RAYMOND JAMES FINANCIAL INC | $885K | 546K | ▲+59% Added · +203K sh | Q1 2026 | |
| 17 | BOOTHBAY FUND MANAGEMENT, LLC | $576K | 355K | —Held | Q1 2026 | |
| 18 | UBS Group AG | $495K | 305K | ▼−62% Reduced · −492K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $472K | 291K | ▼−1.2% Reduced · −3K sh | Q1 2026 | |
| 20 | Persistent Asset Partners Ltd | $440K | 236K | ▲+413% Added · +190K sh | Q2 2026 | |
| 21 | MILLENNIUM MANAGEMENT LLC | $315K | 194K | ▼−55% Reduced · −241K sh | Q1 2026 | |
| 22 | Palo Alto Investors LP | $351K | 189K | —Held | Q2 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $300K | 185K | ▲+6.4% Added · +11K sh | Q1 2026 | |
| 24 | DIADEMA PARTNERS LP | $292K | 180K | ▲+7.5% Added · +13K sh | Q1 2026 | |
| 25 | BNP PARIBAS FINANCIAL MARKETS | $279K | 172K | ▲+9.7% Added · +15K 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, 8 funds opened a new position in PRQR and 10 added to an existing one, while 7 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 31 funds | $20.8B |
| ELI LILLY & COLLY | 31 funds | $3.4B |
| AMAZON.COM INCAMZN | 30 funds | $12.6B |
| UNITEDHEALTH GROUP INCUNH | 30 funds | $2.5B |
| VISA INC-CLASS A SHARESV | 29 funds | $2.2B |
| ANALOG DEVICES INCADI | 29 funds | $1.7B |
| MICROSOFT CORPMSFT | 28 funds | $11.5B |
| MICRON TECHNOLOGY INCMU | 28 funds | $4.8B |
| ADVANCED MICRO DEVICESAMD | 28 funds | $3.3B |
| COCA-COLA CO/THEKO | 28 funds | $2.2B |
| INTEL CORPINTC | 28 funds | $1.8B |
| GENERAL ELECTRICGE | 28 funds | $1.7B |
Ranked by how many of PRQR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 31, 2026 | de Boer Daniel Anton | Chief Executive Officer, Director | Buy (P) | 200K | $354K |
| Jul 17, 2026 | Filius Bart | Director | Buy (P) | 150K | $258K |
| Jul 9, 2026 | de Boer Daniel Anton | Chief Executive Officer, Director | Buy (P) | 150K | $261K |
| Jul 7, 2026 | de Boer Daniel Anton | Chief Executive Officer, Director | Buy (P) | 150K | $239K |
| Jun 26, 2026 | Filius Bart | Director | Buy (P) | 150K | $231K |
Connected entities for PRQR
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/PRQR/capital-change-brief"
Use Arkolith's capital_change_brief for PRQR. 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 PRQR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.