77 tracked 13F filers disclose a position in PLRX as of the latest SEC 13F filings, a combined $50.9M 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 | TANG CAPITAL MANAGEMENT LLC | $7.7M | 6.1M | —Held | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $4.1M | 3.2M | ▲+25% Added · +643K sh | Q1 2026 | |
| 3 | ADAR1 Capital Management, LLC | $3.3M | 2.6M | ▲35× Added · +2.5M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $3.0M | 2.3M | →First observed position No prior filed position | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $2.8M | 2.3M | ▲+136% Added · +1.3M sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $2.3M | 1.9M | ▲+77% Added · +807K sh | Q1 2026 | |
| 7 | Prosight Management, LP | $2.1M | 1.7M | ▲+7.2% Added · +112K sh | Q1 2026 | |
| 8 | Woodline Partners LP | $2.1M | 1.7M | ▼−18% Reduced · −359K sh | Q1 2026 | |
| 9 | BML Capital Management, LLC | $1.8M | 1.5M | —Held | Q2 2026 | |
| 10 | Peapod Lane Capital LLC | $1.5M | 1.3M | ▲+1.6% Added · +20K sh | Q2 2026 | |
| 11 | MILLENNIUM MANAGEMENT LLC | $1.5M | 1.2M | ▲+189% Added · +772K sh | Q1 2026 | |
| 12 | BlackRock, Inc. | $1.4M | 1.1M | ▲+2.1% Added · +23K sh | Q1 2026 | |
| 13 | UBS Group AG | $1.3M | 1.1M | ▼−0.4% Reduced · −5K sh | Q1 2026 | |
| 14 | MARSHALL WACE, LLP | $1.3M | 996K | ▼−7.8% Reduced · −84K sh | Q1 2026 | |
| 15 | Eversept Partners, LP | $1.1M | 891K | ▲+5.9% Added · +49K sh | Q1 2026 | |
| 16 | JPMORGAN CHASE & CO | $1.0M | 862K | ▼−29% Reduced · −351K sh | Q1 2026 | |
| 17 | Redmile Group, LLC | $973K | 772K | ▼−52% Reduced · −844K sh | Q1 2026 | |
| 18 | JACOBS LEVY EQUITY MANAGEMENT, INC | $905K | 719K | ▲+29% Added · +162K sh | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $752K | 597K | ▲+116% Added · +320K sh | Q1 2026 | |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $698K | 554K | ▲+72% Added · +232K sh | Q1 2026 | |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | $652K | 517K | ▲+39% Added · +146K sh | Q1 2026 | |
| 22 | MORGAN STANLEY | $637K | 506K | ▼−7.9% Reduced · −43K sh | Q1 2026 | |
| 23 | XTX Topco Ltd | $631K | 501K | ▼−8.1% Reduced · −44K sh | Q1 2026 | |
| 24 | DAFNA Capital Management LLC | $614K | 487K | ▲New +487K sh | Q1 2026 | |
| 25 | Centiva Capital, LP | $545K | 433K | ▼−57% Reduced · −567K 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, 4 funds opened a new position in PLRX and 17 added to an existing one, while 6 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 26 funds | $14.9B |
| MICROSOFT CORPMSFT | 26 funds | $14.6B |
| ELI LILLY & COLLY | 26 funds | $4.4B |
| NVIDIA CORPNVDA | 25 funds | $25.8B |
| ALPHABET INC-CL AGOOGL | 25 funds | $11.3B |
| ALPHABET INC-CL CGOOG | 25 funds | $7.6B |
| JPMORGAN CHASE & COJPM | 25 funds | $4.7B |
| COSTCO WHOLESALE CORPCOST | 25 funds | $4.0B |
| VISA INC-CLASS A SHARESV | 25 funds | $3.7B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 25 funds | $3.7B |
| ADVANCED MICRO DEVICESAMD | 25 funds | $3.4B |
| BANK OF AMERICA CORPBAC | 25 funds | $2.9B |
Ranked by how many of PLRX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jan 20, 2026 | Kuo Minnie | Chief Operating Officer | Sell (S) | 7K | $9K |
| Jan 20, 2026 | Coulie Bernard | President and CEO, Director | Sell (S) | 89K | $114K |
| Jan 20, 2026 | Cheung Lily | Chief Human Resource Officer | Sell (S) | 8K | $10K |
| Jan 20, 2026 | Cummings Keith Lamont | Chief Financial Officer | Sell (S) | 24K | $31K |
| Jan 22, 2025 | Ouimette Mike | General Counsel & Corp. Sec'y | Sell (S) | 10K | $112K |
| Jan 17, 2025 | Ouimette Mike | General Counsel & Corp. Sec'y | Sell (S) | 13K | $149K |
| Jan 17, 2025 | Cheung Lily | Chief Human Resource Officer | Sell (S) | 4K | $42K |
| Jan 17, 2025 | Lefebvre Eric | Chief Medical Officer | Sell (S) | 18K | $207K |
| Jan 17, 2025 | Hull Hans | Chief Business Officer | Sell (S) | 16K | $178K |
| Jan 17, 2025 | Cummings Keith Lamont | Chief Financial Officer | Sell (S) | 20K | $226K |
| Jan 17, 2025 | Coulie Bernard | President and CEO, Director | Sell (S) | 52K | $587K |
| Jul 10, 2024 | Ouimette Mike | General Counsel & Corp. Sec'y | Sell (S) | 8K | $89K |
Connected entities for PLRX
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/PLRX/capital-change-brief"
Use Arkolith's capital_change_brief for PLRX. 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 PLRX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.