32 tracked 13F filers disclose a position in MRKR as of the latest SEC 13F filings, a combined $4.8M 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 | NEA Management Company, LLC | $2.1M | 1.6M | —Held | Q1 2026 | |
| 2 | Blue Owl Capital Holdings LP | $815K | 554K | —Held | Q2 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $506K | 389K | →First observed position No prior filed position | Q1 2026 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $228K | 175K | ▲+42% Added · +52K sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $206K | 140K | ▼−13% Reduced · −21K sh | Q2 2026 | |
| 6 | OSAIC HOLDINGS, INC. | $121K | 93K | ▼−1.4% Reduced · −1K sh | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $113K | 87K | →First observed position No prior filed position | Q1 2026 | |
| 8 | LPL Financial LLC | $108K | 83K | ▼−0.2% Reduced · −200 sh | Q1 2026 | |
| 9 | Concurrent Investment Advisors, LLC | $100K | 68K | ▲New +68K sh | Q2 2026 | |
| 10 | XTX Topco Ltd | $83K | 64K | ▲+9.5% Added · +6K sh | Q1 2026 | |
| 11 | TWO SIGMA INVESTMENTS, LP | $79K | 61K | ▼−38% Reduced · −37K sh | Q1 2026 | |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $63K | 49K | ▲New +49K sh | Q1 2026 | |
| 13 | JANE STREET GROUP, LLC | $47K | 36K | ▼−10% Reduced · −4K sh | Q1 2026 | |
| 14 | UBS Group AG | $42K | 32K | ▼−81% Reduced · −142K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $34K | 26K | —Held | Q1 2026 | |
| 16 | STATE STREET CORP | $31K | 21K | —Held | Q2 2026 | |
| 17 | Invst, LLC | $26K | 18K | ▼−38% Reduced · −11K sh | Q2 2026 | |
| 18 | Creative Planning | $23K | 17K | —Held | Q1 2026 | |
| 19 | Ashton Thomas Private Wealth, LLC | $24K | 16K | —Held | Q2 2026 | |
| 20 | FIFTH THIRD BANCORP | $13K | 10K | —Held | Q1 2026 | |
| 21 | Tower Research Capital LLC (TRC) | $4K | 3K | ▲+339% Added · +2K sh | Q1 2026 | |
| 22 | Vanguard Global Advisers, LLC | $3K | 3K | →First observed position No prior filed position | Q1 2026 | |
| 23 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $3K | 2K | —Held | Q2 2026 | |
| 24 | WELLS FARGO & COMPANY/MN | $302 | 232 | ▼−4.1% Reduced · −10 sh | Q1 2026 | |
| 25 | SIGNATUREFD, LLC | $296 | 228 | ▲New +228 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, 2 funds opened a new position in MRKR 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 | 10 funds | $3.5B |
| APPLE INCAAPL | 10 funds | $3.1B |
| MICRON TECHNOLOGY INCMU | 10 funds | $1.9B |
| ALPHABET INC-CL AGOOGL | 10 funds | $1.9B |
| TESLA INCTSLA | 10 funds | $1.5B |
| JPMORGAN CHASE & COJPM | 10 funds | $1.3B |
| COSTCO WHOLESALE CORPCOST | 10 funds | $959.2M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 10 funds | $932.1M |
| UNITEDHEALTH GROUP INCUNH | 10 funds | $824.4M |
| CHEVRON CORPCVX | 10 funds | $768.1M |
| DELL TECHNOLOGIES -CDELL | 10 funds | $674.5M |
| ADVANCED MICRO DEVICESAMD | 10 funds | $491.5M |
Ranked by how many of MRKR's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 23, 2024 | NEA Partners 16, L.P. | 10% Owner | Buy (P) | 554K | $1.8M |
| Dec 23, 2024 | ELMS STEVE | Director | Buy (P) | 11K | $35K |
| May 18, 2021 | Wasserman Frederick Gerald | Director | Buy (P) | 10K | $24K |
| Mar 16, 2021 | Eansor Norman David | Director | Buy (P) | 14K | $250K |
| Mar 16, 2021 | ELMS STEVE | Director | Buy (P) | 1.1M | $2.0M |
| Mar 16, 2021 | Hoang Peter L. | President and CEO, Director | Buy (P) | 143K | $250K |
| Mar 16, 2021 | Vera Juan | Chief Development Officer | Buy (P) | 571K | $1000K |
| Mar 16, 2021 | Wilson John Robert | Director | Buy (P) | 1.7M | $3.0M |
| Mar 16, 2021 | NEA Partners 16, L.P. | 10% Owner | Buy (P) | 5.7M | $10.0M |
| Mar 16, 2021 | BASKETT FOREST | 10% Owner | Buy (P) | 5.7M | $10.0M |
| Mar 16, 2021 | Behbahani Ali | 10% Owner | Buy (P) | 5.7M | $10.0M |
| Mar 16, 2021 | Chang Carmen | 10% Owner | Buy (P) | 5.7M | $10.0M |
Connected entities for MRKR
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/MRKR/capital-change-brief"
Use Arkolith's capital_change_brief for MRKR. 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 MRKR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.