39 tracked 13F filers disclose a position in SPRB as of the latest SEC 13F filings, a combined $68.7M 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 | AIGH Capital Management LLC | $13.5M | 250K | ▲New +250K sh | Q2 2026 | |
| 2 | Ikarian Capital, LLC | $7.9M | 121K | —Held | Q1 2026 | |
| 3 | MILLENNIUM MANAGEMENT LLC | $7.3M | 112K | ▲New +112K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $3.8M | 71K | ▲+447% Added · +58K sh | Q2 2026 | |
| 5 | CITADEL ADVISORS LLC | $4.6M | 70K | —Held | Q1 2026 | |
| 6 | Cable Car Capital, LP | $3.2M | 60K | ▲New +60K sh | Q2 2026 | |
| 7 | ADAR1 Capital Management, LLC | $3.8M | 59K | ▲+1.0% Added · +600 sh | Q1 2026 | |
| 8 | Alyeska Investment Group, L.P. | $3.4M | 52K | —Held | Q1 2026 | |
| 9 | STATE STREET CORP | $2.7M | 50K | ▲+834% Added · +45K sh | Q2 2026 | |
| 10 | BOOTHBAY FUND MANAGEMENT, LLC | $2.7M | 42K | ▼−12% Reduced · −6K sh | Q1 2026 | |
| 11 | BALYASNY ASSET MANAGEMENT L.P. | $2.6M | 40K | —Held | Q1 2026 | |
| 12 | Eversept Partners, LP | $2.2M | 40K | ▲New +40K sh | Q2 2026 | |
| 13 | Quinn Opportunity Partners LLC | $1.8M | 27K | ▲+18% Added · +4K sh | Q1 2026 | |
| 14 | ExodusPoint Capital Management, LP | $1.2M | 22K | —Held | Q2 2026 | |
| 15 | Knott David M Jr | $1.1M | 20K | ▲New +20K sh | Q2 2026 | |
| 16 | VANGUARD CAPITAL MANAGEMENT LLC | $1.2M | 18K | →First observed position No prior filed position | Q1 2026 | |
| 17 | BlackRock, Inc. | $1.1M | 17K | —Held | Q1 2026 | |
| 18 | Squadron Capital Management LLC | $797K | 12K | ▼−83% Reduced · −58K sh | Q1 2026 | |
| 19 | DIADEMA PARTNERS LP | $654K | 10K | ▲New +10K sh | Q1 2026 | |
| 20 | Persistent Asset Partners Ltd | $415K | 8K | ▲+204% Added · +5K sh | Q2 2026 | |
| 21 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $388K | 7K | ▲New +7K sh | Q2 2026 | |
| 22 | STEMPOINT CAPITAL LP | $416K | 6K | ▲New +6K sh | Q1 2026 | |
| 23 | Sixth Street Partners Management Company, L.P. | $318K | 6K | ▲New +6K sh | Q2 2026 | |
| 24 | VANGUARD FIDUCIARY TRUST CO | $360K | 6K | →First observed position No prior filed position | Q1 2026 | |
| 25 | GOLDMAN SACHS GROUP INC | $360K | 6K | ▲New +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, 11 funds opened a new position in SPRB and 4 added to an existing one, while 2 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 | 14 funds | $8.2B |
| AMAZON.COM INCAMZN | 14 funds | $4.4B |
| MICROSOFT CORPMSFT | 14 funds | $2.7B |
| UNITEDHEALTH GROUP INCUNH | 14 funds | $978.4M |
| CYTOKINETICS INCCYTK | 14 funds | $236.2M |
| VERASTEM INCVSTM | 14 funds | $48.9M |
| ALPHABET INC-CL AGOOGL | 13 funds | $2.2B |
| BROADCOM INCAVGO | 13 funds | $2.0B |
| JOHNSON & JOHNSONJNJ | 13 funds | $1.0B |
| SCHWAB (CHARLES) CORPSCHW | 13 funds | $569.4M |
| INTEL CORPINTC | 13 funds | $542.0M |
| REVOLUTION MEDICINES INCRVMD | 13 funds | $370.2M |
Ranked by how many of SPRB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Sell (S) | 232 | $4K |
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Sell (S) | 25 | $437 |
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Buy (P) | 256 | $5K |
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Sell (S) | 232 | $4K |
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Buy (P) | 256 | $5K |
| Oct 6, 2025 | Parkman Healthcare Partners LLC | 10% Owner | Sell (S) | 25 | $437 |
| Mar 21, 2024 | Novo Holdings A/S | 10% Owner | Sell (S) | 465K | $349K |
| Mar 20, 2024 | Novo Holdings A/S | 10% Owner | Sell (S) | 360K | $263K |
| Mar 19, 2024 | Novo Holdings A/S | 10% Owner | Sell (S) | 593K | $451K |
| Mar 18, 2024 | Novo Holdings A/S | 10% Owner | Sell (S) | 842K | $648K |
| Mar 14, 2024 | Novo Holdings A/S | 10% Owner | Sell (S) | 1.9M | $1.7M |
| Feb 16, 2023 | Novo Holdings A/S | 10% Owner | Buy (P) | 2.2M | $7.0M |
| Class | 13F holders | Value held |
|---|---|---|
| SPRBthis pageEQUITY | 39 funds | $68.7M |
| 85209E109COM | 1 funds | $301K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for SPRB
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/SPRB/capital-change-brief"
Use Arkolith's capital_change_brief for SPRB. 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 SPRB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.