Security record
MGNX
name pending profile ingest
63Tracked holders
+12Δ holders
29.89MShares held
$138.06MReported value
+18New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +23.5% ·
share flow +18.5% ·
net new positions +19.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 63 | +12 | 29.89M | $138.06M | +18 | −6 |
| Q1 2026 | 51 | +5 | 25.23M | $72.90M | +7 | −2 |
| Q4 2025 | 46 | +1 | 22.59M | $36.34M | +1 | — |
| Q3 2025 | 14 | -1 | 15.12M | $25.40M | — | −1 |
| Q2 2025 | 12 | 0 | 11.58M | $14.01M | +1 | −1 |
| Q1 2025 | 9 | 0 | 6.98M | $8.87M | +1 | −1 |
| Q4 2024 | 9 | -1 | 8.68M | $28.22M | — | −1 |
| Q3 2024 | 9 | -1 | 8.63M | $28.39M | — | −1 |
| Q2 2024 | 10 | — | 8.97M | $38.13M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.68M | +302.3% | $21.62M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Vanguard Capital Management Llc | 2.66M | +0.1% | $12.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 2.63M | -11.2% | $12.16M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 11 | Bank Of America Corp /De/ | 2.49M | +3.6% | $11.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | Bank Of America Corp /De/ | 2.49M | +3.6% | $11.50M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Two Sigma Investments ✦ | 2.47M | -2.5% | $11.39M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 14 | Millennium Management ✦ | 2.37M | -15.0% | $10.97M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 15 | Mackenzie Financial Corp | 1.64M | +174.9% | $7.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Marshall Wace ✦ | 1.62M | -20.2% | $7.47M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 17 | Marshall Wace ✦ | 1.62M | -20.2% | $7.47M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 1.58M | +126.1% | $7.29M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.58M | +126.1% | $7.29M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 20 | D. E. Shaw & Co. ✦ | 1.06M | +0.4% | $4.91M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 21 | D. E. Shaw & Co. ✦ | 1.06M | +0.4% | $4.91M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Connor, Clark & Lunn Investment… | 1.00M | +15.3% | $4.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | State Street Global Advisors ✦ (passive) | 863.66K | +194.1% | $3.99M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 24 | Goldman Sachs Group ✦ | 558.00K | +104.0% | $2.58M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Goldman Sachs Group ✦ | 558.00K | +104.0% | $2.58M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Northern Trust Corp | 516.13K | +238.9% | $2.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Northern Trust Corp | 516.13K | +238.9% | $2.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Northern Trust Corp | 516.13K | +238.9% | $2.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Nomura Asset Management… | 420.00K | 0.0% | $1.94M | 0.0% | Held | 3 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 379.33K | +50.6% | $1.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 379.33K | +50.6% | $1.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 379.33K | +50.6% | $1.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Dimensional Fund Advisors Lp | 379.33K | +50.6% | $1.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Charles Schwab Investment… | 192.63K | +381.0% | $889,974 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Man Group plc | 188.19K | +292.0% | $869,433 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Amundi | 181.25K | -15.4% | $837,352 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Citadel Advisors ✦ | 179.83K | -77.0% | $830,828 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 38 | Citadel Advisors ✦ | 179.83K | -77.0% | $830,828 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 39 | LPL Financial LLC | 170.26K | +6.6% | $786,615 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Sei Investments Co | 164.70K | +425.9% | $760,932 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Royal Bank Of Canada | 147.06K | +163297.8% | $679,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Royal Bank Of Canada | 147.06K | +163297.8% | $679,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Royal Bank Of Canada | 147.06K | +163297.8% | $679,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Bank of New York Mellon Corp | 135.56K | New | $626,272 | 0.0% | New | 1 | SEC ↗ |
| 45 | Bank of New York Mellon Corp | 135.56K | New | $626,272 | 0.0% | New | 1 | SEC ↗ |
| 46 | Bank of New York Mellon Corp | 135.56K | New | $626,272 | 0.0% | New | 1 | SEC ↗ |
| 47 | Nuveen, LLC | 131.75K | New | $608,698 | 0.0% | New | 1 | SEC ↗ |
| 48 | Nuveen, LLC | 131.75K | New | $608,698 | 0.0% | New | 1 | SEC ↗ |
| 49 | Squarepoint Ops LLC | 117.38K | -36.1% | $542,286 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Invesco Ltd. | 102.98K | -8.3% | $475,790 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Invesco Ltd. | 102.98K | -8.3% | $475,790 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Invesco Ltd. | 102.98K | -8.3% | $475,790 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Invesco Ltd. | 102.98K | -8.3% | $475,790 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 92.79K | -45.1% | $428,681 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 60 | Jane Street Group, Llc | 83.86K | -86.2% | $387,442 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 61 | Fidelity (FMR) ✦ | 83.62K | +37.6% | $386,315 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 62 | Rhumbline Advisers | 67.92K | New | $313,785 | 0.0% | New | 1 | SEC ↗ |
| 63 | Franklin Resources Inc | 66.10K | New | $305,400 | 0.0% | New | 1 | SEC ↗ |
| 64 | Deutsche Bank Ag\ | 62.33K | New | $287,970 | 0.0% | New | 1 | SEC ↗ |
| 65 | Deutsche Bank Ag\ | 62.33K | New | $287,970 | 0.0% | New | 1 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 62.31K | +4218.3% | $287,884 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Russell Investments Group, Ltd. | 62.31K | +4218.3% | $287,884 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Russell Investments Group, Ltd. | 62.31K | +4218.3% | $287,884 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Russell Investments Group, Ltd. | 62.31K | +4218.3% | $287,884 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 62.31K | +4218.3% | $287,884 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Wells Fargo & Company/Mn | 59.69K | +1889.5% | $275,749 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Wells Fargo & Company/Mn | 59.69K | +1889.5% | $275,749 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Susquehanna International Group, Llp | 53.62K | -88.1% | $247,720 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | T. Rowe Price ✦ | 51.56K | New | $239,000 | 0.0% | New | 1 | SEC ↗ |
| 75 | Barclays Plc | 49.83K | -20.4% | $230,215 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 76 | Barclays Plc | 49.83K | -20.4% | $230,215 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 77 | Wellington Management ✦ | 44.20K | New | $204,204 | 0.0% | New | 1 | SEC ↗ |
| 78 | Wellington Management ✦ | 44.20K | New | $204,204 | 0.0% | New | 1 | SEC ↗ |
| 79 | UBS Group AG | 41.84K | -85.9% | $193,278 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | UBS Group AG | 41.84K | -85.9% | $193,278 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Simplex Trading, Llc | 38.82K | +714.9% | $179,353 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Canada Pension Plan Investment Board | 37.00K | -65.2% | $170,940 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | DZ BANK AG Deutsche Zentral… | 36.47K | New | $168,477 | 0.0% | New | 1 | SEC ↗ |
| 84 | Corient Private Wealth LP | 31.61K | -0.7% | $146,043 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Citigroup Inc | 29.40K | -12.3% | $135,833 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Citigroup Inc | 29.40K | -12.3% | $135,833 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 28.80K | New | $133,056 | 0.0% | New | 1 | SEC ↗ |
| 88 | Allspring Global Investments… | 28.17K | New | $130,155 | 0.0% | New | 1 | SEC ↗ |
| 89 | Prudential Financial Inc | 27.77K | +22.9% | $128,321 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | JPMorgan Chase ✦ | 26.37K | +10.9% | $128,163 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 91 | JPMorgan Chase ✦ | 26.37K | +10.9% | $128,163 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 92 | JPMorgan Chase ✦ | 26.37K | +10.9% | $128,163 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 93 | Bnp Paribas Financial Markets | 24.32K | -12.0% | $112,345 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Manufacturers Life Insurance… | 17.68K | New | $81,686 | 0.0% | New | 1 | SEC ↗ |
| 95 | Tudor Investment Corp Et Al | 16.35K | -0.5% | $75,532 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Stifel Financial Corp | 14.50K | -12.8% | $66,996 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Voya Investment Management Llc | 12.24K | New | $56,572 | 0.0% | New | 1 | SEC ↗ |
| 98 | New York State Common Retirement… | 11.70K | New | $54,054 | 0.0% | New | 1 | SEC ↗ |
| 99 | Arrowstreet Capital ✦ | 11.43K | New | $52,797 | 0.0% | New | 1 | SEC ↗ |
| 100 | Alliancebernstein L.P. | 15.78K | New | $45,604 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Bank of New York Mellon Corp | $626,272 | 0.0% |
| Bank of New York Mellon Corp | $626,272 | 0.0% |
| Bank of New York Mellon Corp | $626,272 | 0.0% |
| Nuveen, LLC | $608,698 | 0.0% |
| Nuveen, LLC | $608,698 | 0.0% |
| Rhumbline Advisers | $313,785 | 0.0% |
| Franklin Resources Inc | $305,400 | 0.0% |
| Deutsche Bank Ag\ | $287,970 | 0.0% |
| Deutsche Bank Ag\ | $287,970 | 0.0% |
| T. Rowe Price | $239,000 | 0.0% |
| Wellington Management | $204,204 | 0.0% |
| Wellington Management | $204,204 | 0.0% |
Exited
| Point72 Asset Management | $602,805 | was 0.0% |
| Qube Research & Technologies… | $541,771 | was 0.0% |
| Ameriprise Financial Inc | $223,301 | was 0.0% |
| Hrt Financial Lp | $158,000 | was 0.0% |
| American Century Companies Inc | $88,307 | was 0.0% |
| Universal- Beteiligungs- und… | $28,900 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 108 holders, 43.15M shares, $116.09M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 19
Peters Jeffrey Stuart
Officer · 31.11K sh · $129,086
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — ARMISTICE CAPITAL, LLC
Aug 03
SC 13G/A — BANK OF AMERICA CORP /DE/
Jul 29
SC 13G — BlackRock, Inc.
Jul 20
SC 13G/A — MILLENNIUM MANAGEMENT LLC
Jun 05
SC 13G — MILLENNIUM MANAGEMENT LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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