46 tracked 13F filers disclose a position in OKUR as of the latest SEC 13F filings, a combined $104.6M 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 | RA CAPITAL MANAGEMENT, L.P. | $16.6M | 4.0M | ▲New +4.0M sh | Q1 2026 | |
| 2 | ACORN CAPITAL ADVISORS, LLC | $11.8M | 2.8M | —Held | Q1 2026 | |
| 3 | StepStone Group LP | $11.0M | 2.7M | ▲+441% Added · +2.2M sh | Q1 2026 | |
| 4 | ADAR1 Capital Management, LLC | $10.1M | 2.4M | ▲+140% Added · +1.4M sh | Q1 2026 | |
| 5 | Prosight Management, LP | $8.9M | 2.2M | ▲+164% Added · +1.3M sh | Q1 2026 | |
| 6 | BVF INC/IL | $8.2M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 7 | Vivo Capital, LLC | $8.0M | 1.9M | ▲New +1.9M sh | Q1 2026 | |
| 8 | Vestal Point Capital, LP | $7.6M | 1.8M | ▲+190% Added · +1.2M sh | Q1 2026 | |
| 9 | Foresite Capital Management VI LLC | $6.0M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $5.0M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | $2.4M | 582K | →First observed position No prior filed position | Q1 2026 | |
| 12 | NEA Management Company, LLC | $2.0M | 479K | —Held | Q1 2026 | |
| 13 | RENAISSANCE TECHNOLOGIES LLC | $1.6M | 377K | ▲+53% Added · +130K sh | Q1 2026 | |
| 14 | Affinity Asset Advisors, LLC | $998K | 241K | ▲New +241K sh | Q1 2026 | |
| 15 | Sofinnova Investments, Inc. | $587K | 142K | ▲New +142K sh | Q1 2026 | |
| 16 | Shay Capital LLC | $547K | 132K | ▼−83% Reduced · −649K sh | Q1 2026 | |
| 17 | CANTOR FITZGERALD, L. P. | $414K | 100K | ▼−78% Reduced · −345K sh | Q1 2026 | |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | $409K | 99K | ▲+27% Added · +21K sh | Q1 2026 | |
| 19 | Rangeley Capital, LLC | $393K | 95K | ▼−34% Reduced · −50K sh | Q1 2026 | |
| 20 | Walleye Capital LLC | $324K | 71K | ▲New +71K sh | Q2 2026 | |
| 21 | BlackRock, Inc. | $205K | 50K | ▼−5.9% Reduced · −3K sh | Q1 2026 | |
| 22 | NewEdge Advisors, LLC | $184K | 45K | ▲New +45K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $180K | 43K | →First observed position No prior filed position | Q1 2026 | |
| 24 | CITADEL ADVISORS LLC | $156K | 38K | ▼−83% Reduced · −186K sh | Q1 2026 | |
| 25 | MARSHALL WACE, LLP | $151K | 36K | ▲New +36K 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, 12 funds opened a new position in OKUR and 7 added to an existing one, while 4 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 |
|---|---|---|
| MONTE ROSA THERAPEUTICS INCGLUE | 15 funds | $315.0M |
| TENAX THERAPEUTICS INCTENX | 15 funds | $46.5M |
| BRISTOL-MYERS SQUIBB COBMY | 14 funds | $1.8B |
| NUVALENT INC-ANUVL | 14 funds | $465.3M |
| WAVE LIFE SCIENCES LTDWVE | 14 funds | $276.4M |
| CORVUS PHARMACEUTICALS INCCRVS | 14 funds | $124.5M |
| SUTRO BIOPHARMA INCSTRO | 14 funds | $113.8M |
| JADE BIOSCIENCES INCJBIO | 14 funds | $106.7M |
| ANTERIS TECHNOLOGIES GLOBALAVR | 14 funds | $68.7M |
| MACROGENICS INCMGNX | 14 funds | $42.5M |
| BOSTON SCIENTIFIC CORPBSX | 13 funds | $2.0B |
| REVOLUTION MEDICINES INCRVMD | 13 funds | $1.3B |
Ranked by how many of OKUR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 22, 2026 | Saccomano Nicholas A | President and CEO, Director | Sell (S) | 86 | $378 |
| Jun 22, 2026 | Leverone Jason A. | Chief Financial Officer | Sell (S) | 303 | $1K |
| Mar 23, 2026 | Saccomano Nicholas A | President and CEO, Director | Sell (S) | 86 | $358 |
| Mar 23, 2026 | Leverone Jason A. | Chief Financial Officer | Sell (S) | 301 | $1K |
| Dec 22, 2025 | Saccomano Nicholas A | President and CEO, Director | Sell (S) | 87 | $258 |
| Dec 22, 2025 | Leverone Jason A. | Chief Financial Officer | Sell (S) | 302 | $897 |
| Sep 22, 2025 | Saccomano Nicholas A | President and CEO, Director | Sell (S) | 88 | $231 |
| Sep 22, 2025 | Leverone Jason A. | Chief Financial Officer | Sell (S) | 303 | $794 |
| Jun 23, 2025 | Leverone Jason A. | Chief Financial Officer | Sell (S) | 303 | $721 |
| Jun 23, 2025 | Saccomano Nicholas A | President and CEO, Director | Sell (S) | 88 | $209 |
| May 15, 2025 | Cormorant Private Healthcare Fund III LP | Insider | Sell (S) | 1.8M | $3.4M |
| May 15, 2025 | ACORN CAPITAL ADVISORS GP, LLC | 10% Owner | Buy (P) | 1.1M | $2.1M |
Connected entities for OKUR
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/OKUR/capital-change-brief"
Use Arkolith's capital_change_brief for OKUR. 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 OKUR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.