ZBIO · Zenas BioPharma, Inc. · Held by Funds
Registered funds — mutual funds, ETFs and closed-end funds — whose latest Form N-PORT portfolio report holds this exact listed security, matched by CUSIP. Each row is one fund position with its size, value and weight in that fund.
Fund Ownership of ZBIO by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 8.65% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 1.45% | 944,814 |
| Index ETFs | 7.20% | 4,694,160 |
| Active ETFs | 0.28% | 181,491 |
| Active funds | 21.59% | 14,072,903 |
| Unclassified | 0.00% | 0 |
| All registered funds | 30.52% | 19,893,368 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
Funds holding ZBIO
175 fund positions| Fund | Ticker | Balance | Value | % of Fund | Side | Reported | Open |
|---|---|---|---|---|---|---|---|
| VANGUARD HEALTH CARE FUND | — | 2,937,055 | $92,341,009 | 0.24% | Long | 2026-07-31 | |
| SMALLCAP World Fund Inc | — | 2,434,000 | $61,774,920 | 0.07% | Long | 2026-06-30 | |
| Federated Hermes Kaufmann Fund | — | 1,330,000 | $41,815,200 | 0.85% | Long | 2026-07-31 | |
| State Street(R) SPDR(R) S&P(R) Biotech ETF | XBI | 1,349,396 | $34,247,670 | 0.32% | Long | 2026-06-30 | |
| Fidelity Small Cap Growth Fund | — | 988,639 | $31,082,810 | 0.35% | Long | 2026-07-31 | |
| Federated Hermes Kaufmann Small Cap Fund | — | 897,000 | $28,201,680 | 0.99% | Long | 2026-07-31 | |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | — | 891,196 | $22,618,554 | 0.00% | Long | 2026-06-30 | |
| Fidelity Stock Selector Small Cap Fund | — | 662,841 | $20,839,721 | 0.28% | Long | 2026-07-31 | |
| Select Health Care Portfolio | — | 1,080,000 | $19,872,000 | 0.34% | Long | 2026-05-31 | |
| iShares Russell 2000 ETF | IWM | 744,852 | $18,904,344 | 0.02% | Long | 2026-06-30 | |
| Strategic Advisers Fidelity U.S. Total Stock Fund | FCTDX | 1,008,169 | $18,550,310 | 0.01% | Long | 2026-05-31 | |
| Fidelity Small Cap Growth K6 Fund | FOCSX | 531,120 | $16,698,413 | 0.36% | Long | 2026-07-31 | |
| Fidelity Advisor Health Care Fund | — | 500,000 | $15,720,000 | 0.50% | Long | 2026-07-31 | |
| Fidelity Advisor Biotechnology Fund | — | 491,724 | $15,459,803 | 0.70% | Long | 2026-07-31 | |
| Fidelity Series Small Cap Opportunities Fund | FSOPX | 391,332 | $12,303,478 | 0.26% | Long | 2026-07-31 | |
| AB Small Cap Growth Portfolio | — | 467,848 | $11,873,982 | 0.38% | Long | 2026-06-30 | |
| T. Rowe Price New Horizons Fund, Inc. | — | 466,346 | $11,835,861 | 0.08% | Long | 2026-06-30 | |
| VANGUARD EXTENDED MARKET INDEX FUND | — | 435,512 | $11,053,295 | 0.01% | Long | 2026-06-30 | |
| Fidelity Small Cap Index Fund | FSSNX | 311,608 | $9,796,956 | 0.03% | Long | 2026-07-31 | |
| T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund | — | 385,100 | $9,773,838 | 0.10% | Long | 2026-06-30 | |
| Fidelity Small Cap Discovery Fund | FSCRX | 282,285 | $8,875,040 | 0.39% | Long | 2026-07-31 | |
| Fidelity Series Small Cap Discovery Fund | FJACX | 246,621 | $7,753,764 | 0.40% | Long | 2026-07-31 | |
| Select Biotechnology Portfolio | FBIOX | 380,400 | $6,999,360 | 0.13% | Long | 2026-05-31 | |
| iShares Russell 2000 Growth ETF | IWO | 267,610 | $6,791,942 | 0.04% | Long | 2026-06-30 | |
| iShares Biotechnology ETF | IBB | 224,446 | $5,696,439 | 0.06% | Long | 2026-06-30 | |
| Meridian Contrarian Fund | — | 222,812 | $5,654,969 | 0.83% | Long | 2026-06-30 | |
| Fidelity Series Small Cap Core Fund | FSSLX | 163,200 | $5,131,008 | 0.33% | Long | 2026-07-31 | |
| VIP Health Care Portfolio | — | 185,000 | $4,695,300 | 0.41% | Long | 2026-06-30 | |
| SmallCap Growth Fund I | — | 139,928 | $4,399,336 | 0.18% | Long | 2026-07-31 | |
| THE HARTFORD HEALTHCARE FUND | — | 108,627 | $3,415,233 | 0.44% | Long | 2026-07-31 | |
| Small Cap Core Portfolio | — | 122,154 | $3,100,269 | 0.36% | Long | 2026-06-30 | |
| Fidelity Extended Market Index Fund | FSMAX | 147,601 | $2,715,858 | 0.01% | Long | 2026-05-31 | |
| Fidelity U.S. Equity Central Fund | — | 100,000 | $2,538,000 | 0.01% | Long | 2026-06-30 | |
| Schwab U.S. Small-Cap ETF | SCHA | 134,982 | $2,483,669 | 0.01% | Long | 2026-05-31 | |
| iShares Micro-Cap ETF | IWC | 95,784 | $2,430,998 | 0.16% | Long | 2026-06-30 | |
| VANGUARD RUSSELL 2000 INDEX FUND | — | 120,555 | $2,218,212 | 0.01% | Long | 2026-05-31 | |
| Schwab Small-Cap Index Fund | SWSSX | 69,038 | $2,170,555 | 0.03% | Long | 2026-07-31 | |
| Meridian Small Cap Growth Fund | — | 84,524 | $2,145,219 | 0.79% | Long | 2026-06-30 | |
| Fidelity Fundamental Small-Mid Cap ETF | FFSM | 66,271 | $2,083,560 | 0.14% | Long | 2026-07-31 | |
| Strategic Advisers U.S. Total Stock Fund | FSAKX | 103,767 | $1,909,313 | 0.00% | Long | 2026-05-31 | |
| SMALLCAP World Fund | — | 68,912 | $1,748,987 | 0.07% | Long | 2026-06-30 | |
| iShares Core S&P Total U.S. Stock Market ETF | ITOT | 58,553 | $1,486,075 | 0.00% | Long | 2026-06-30 | |
| Direxion Daily S&P Biotech Bull 3X Shares | LABU | 45,855 | $1,441,681 | 0.29% | Long | 2026-07-31 | |
| Master Small Cap Index Series | — | 53,267 | $1,351,916 | 0.02% | Long | 2026-06-30 | |
| VANGUARD U.S. MOMENTUM FACTOR ETF | VFMO | 68,019 | $1,251,550 | 0.07% | Long | 2026-05-31 | |
| Nuveen Small Cap Blend Index Fund | — | 37,764 | $1,187,300 | 0.03% | Long | 2026-07-31 | |
| Fidelity Enhanced Small Cap Core ETF | FESM | 45,975 | $1,166,846 | 0.02% | Long | 2026-06-30 | |
| T.Rowe Price Small Cap Growth Portfolio | — | 43,542 | $1,105,096 | 0.10% | Long | 2026-06-30 | |
| Invesco Dorsey Wright SmallCap Momentum ETF | DWAS | 59,555 | $1,095,812 | 0.26% | Long | 2026-05-31 | |
| ALPS Medical Breakthroughs ETF | SBIO | 55,332 | $1,018,109 | 0.63% | Long | 2026-05-31 |