Security record · archived quarter
ZBIO
Zenas BioPharma, Inc. · Healthcare · Biotechnology
57Tracked holders
0Δ holders
27.25MShares held
$547.68MReported value
+9New positions
−9Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +30.0% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 58 | +3 | 32.34M | $814.38M | +8 | −5 |
| Q1 2026 | 57 | 0 | 27.25M | $547.68M | +9 | −9 |
| Q4 2025 | 56 | +4 | 18.00M | $649.25M | +4 | n/a |
| Q3 2025 | 12 | 0 | 9.51M | $211.12M | +1 | −1 |
| Q2 2025 | 10 | +3 | 7.80M | $75.56M | +3 | n/a |
| Q1 2025 | 4 | -5 | 2.01M | $15.92M | n/a | −5 |
| Q4 2024 | 9 | -1 | 2.55M | $20.73M | +1 | −2 |
| Q3 2024 | 9 | +9 | 2.41M | $40.14M | +9 | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 9.08M | +17.9% | $177.55M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 2 | Federated Hermes, Inc. | 3.13M | +15.2% | $61.13M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 3 | Capital International Investors | 2.43M | New | $47.58M | 0.0% | New | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.04M | +15.3% | $39.83M | 0.0% | ▲ Add | 4 | SEC ↗ ×9 |
| 5 | Alliancebernstein L.P. | 897.32K | +4790.0% | $32.58M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | State Street Global Advisors ✦ (passive) | 1.47M | +235.6% | $28.76M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 7 | Wellington Management ✦ | 1.25M | +45.7% | $24.36M | 0.0% | ▲ Add | 7 | SEC ↗ ×5 |
| 8 | Vanguard Capital Management Llc | 1.25M | n/a | $24.35M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Balyasny Asset Management L.P. | 667.07K | +245.4% | $13.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Geode Capital Management ✦ (passive) | 655.78K | +11.4% | $12.82M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 11 | Marshall Wace ✦ | 501.93K | +6969.4% | $9.81M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 12 | Millennium Management ✦ | 476.82K | +869.9% | $9.32M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 13 | Bank Of America Corp /De/ | 388.35K | +723.5% | $7.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Goldman Sachs Group ✦ | 381.46K | +191.9% | $7.46M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 15 | UBS Group AG | 367.40K | +428.7% | $7.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | T. Rowe Price ✦ | 357.27K | -3.2% | $6.99M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 17 | Two Sigma Investments ✦ | 275.06K | +1721.6% | $5.38M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 18 | Jennison Associates Llc | 250.00K | New | $4.89M | 0.0% | New | 1 | SEC ↗ |
| 19 | Charles Schwab Investment… | 224.40K | +5.3% | $4.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Northern Trust Corp | 194.64K | +25.3% | $3.81M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 21 | Invesco Ltd. | 113.48K | -39.6% | $2.22M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 22 | Morgan Stanley ✦ | 93.40K | -27.2% | $1.83M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 23 | Susquehanna International Group, Llp | 85.00K | +521.5% | $1.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Nuveen, LLC | 67.77K | +33.3% | $1.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 25 | Citadel Advisors ✦ | 66.87K | +173.4% | $1.31M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 26 | Bank of New York Mellon Corp | 60.86K | +17.5% | $1.19M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 27 | AQR Capital Management ✦ | 50.97K | -34.8% | $996,483 | 0.0% | ▼ Trim | 4 | SEC ↗ ×6 |
| 28 | Squarepoint Ops LLC | 42.87K | +175.9% | $838,187 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Swiss National Bank | 31.60K | 0.0% | $617,780 | 0.0% | Held | 2 | SEC ↗ |
| 30 | Schroder Investment Management Group | 33.70K | n/a | $614,128 | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Barclays Plc | 29.61K | -13.9% | $578,875 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 32 | Rhumbline Advisers | 26.81K | +22.2% | $524,187 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Hrt Financial Lp | 25.75K | New | $503,000 | 0.0% | New | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 25.11K | +15.6% | $457,612 | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 35 | Quantinno Capital Management LP | 21.13K | New | $413,013 | 0.0% | New | 1 | SEC ↗ |
| 36 | State Of Wisconsin Investment Board | 20.81K | +103.6% | $406,914 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Deutsche Bank Ag\ | 19.27K | +50.7% | $376,650 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 38 | Corient Private Wealth LP | 16.84K | New | $329,320 | 0.0% | New | 1 | SEC ↗ |
| 39 | California State Teachers… | 15.82K | +0.8% | $309,261 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | UBS AM, a distinct business unit of… | 15.52K | +84.8% | $303,475 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 41 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 14.39K | +63.9% | $276,806 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 42 | Creative Planning | 12.66K | +3.1% | $247,464 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Sei Investments Co | 12.39K | New | $242,142 | 0.0% | New | 1 | SEC ↗ ×2 |
| 44 | Legal & General Group Plc | 10.43K | -19.9% | $203,946 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 45 | Bnp Paribas Financial Markets | 10.00K | +40.1% | $195,480 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Citigroup Inc | 9.89K | +320.6% | $193,310 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Wells Fargo & Company/Mn | 8.88K | -58.0% | $173,702 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Zurcher Kantonalbank (Zurich… | 6.78K | New | $132,490 | 0.0% | New | 1 | SEC ↗ |
| 49 | New York State Common Retirement… | 6.20K | 0.0% | $121,210 | 0.0% | Held | 2 | SEC ↗ |
| 50 | Pnc Financial Services Group, Inc. | 4.77K | -18.1% | $93,195 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 51 | Mirae Asset Global Investments Co.… | 2.80K | +7.4% | $54,740 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Russell Investments Group, Ltd. | 2.72K | +102.3% | $53,210 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 53 | Cwm, Llc | 1.47K | -32.4% | $28,778 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | Us Bancorp \De\ | 994 | +12.4% | $19,433 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Osaic Holdings, Inc. | 677 | +22466.7% | $13,234 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Group One Trading Llc | 300 | New | $5,865 | 0.0% | New | 1 | SEC ↗ |
| 57 | Fifth Third Bancorp | 107 | New | $2,092 | 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
| Capital International… | $47.58M | 0.0% |
| Jennison Associates Llc | $4.89M | 0.0% |
| Hrt Financial Lp | $503,000 | 0.0% |
| Quantinno Capital Management… | $413,013 | 0.0% |
| Corient Private Wealth LP | $329,320 | 0.0% |
| Sei Investments Co | $242,142 | 0.0% |
| Zurcher Kantonalbank (Zurich… | $132,490 | 0.0% |
| Group One Trading Llc | $5,865 | 0.0% |
| Fifth Third Bancorp | $2,092 | 0.0% |
Exited
| Point72 Asset Management | $9.21M | was 0.0% |
| Voya Investment Management Llc | $534,664 | was 0.0% |
| Janus Henderson Group Plc | $286,573 | was 0.0% |
| Mariner, LLC | $278,718 | was 0.0% |
| Manufacturers Life Insurance… | $227,155 | was 0.0% |
| ProShare Advisors LLC | $211,325 | was 0.0% |
| Simplex Trading, Llc | $71,675 | was 0.0% |
| Royal Bank Of Canada | $20,000 | was 0.0% |
| Daiwa Securities Group Inc. | $6,000 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 138 holders, 55.37M shares, $1.09B 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.
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: Q1 2026 ·
Methodology ·
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