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ZENAS BIOPHARMA (ZBIO)
NASDAQ
$20.21-$0.60 (-2.86%)
Price as of Jun 23, 2026 4:10 PM EDT- $1.3BMarket Cap
- 119.64%1-Year Change
- BiotechnologyIndustry
ZENAS BIOPHARMA (ZBIO)
$20.21-$0.60 (-2.86%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FMR LLC | 20.34% | 9.1M | +1.4M (+15.17%) | Mar 31, 2026 |
SR ONE CAPITAL MANAGEMENT, LP | 11.28% | 5.0M | 0 (0.00%) | Mar 31, 2026 |
NEA MANAGEMENT COMPANY, LLC | 9.01% | 4.0M | +500,000 (+12.43%) | Mar 31, 2026 |
ENAVATE SCIENCES GP, LLC | 8.78% | 3.9M | 0 (0.00%) | Mar 31, 2026 |
FEDERATED HERMES, INC. | 7.00% | 3.1M | +411,453 (+13.16%) | Mar 31, 2026 |
POLAR CAPITAL HOLDINGS PLC | 5.71% | 2.5M | +1.5M (+58.50%) | Mar 31, 2026 |
CAPITAL INTERNATIONAL INVESTORS | 5.45% | 2.4M | +2.4M (+100.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SMALLCAP WORLD FUND INC | 5.45% | 2.4M | +2.4M (+100.00%) | Mar 31, 2026 |
Federated Hermes Equity Funds | 4.55% | 2.0M | +198,209 (+9.77%) | Jan 31, 2026 |
FIDELITY SECURITIES FUND | 3.41% | 1.5M | +109,276 (+7.18%) | Jan 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 3.27% | 1.5M | +120,000 (+8.22%) | Feb 28, 2026 |
VANGUARD INDEX FUNDS | 2.72% | 1.2M | +177,634 (+14.64%) | Mar 31, 2026 |
FIDELITY ADVISOR SERIES VII | 2.53% | 1.1M | +48,015 (+4.25%) | Jan 31, 2026 |
iSHARES TRUST | 2.34% | 1.0M | +223,800 (+21.45%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions222.1M (78.45%)
- Mutual Funds50.9M (17.97%)
- Insiders10.2M (3.59%)
- Other0 (0.00%)
Insider Transactions
- 3.59% (10.2M)Current InsiderOwnership (%, shares)
- 6Number of InsiderBuying (last 12 months)
- $192.0MAmount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Lu Hongbo | Award | Jun 15, 2026 | $0.00 | 18,500 | $0.00 | 18,500 |
Farmer Joseph L See Remarks | Award | Jun 15, 2026 | $0.00 | 175,000 | $0.00 | 175,000 |
ORLOFF JOHN J | Award | Jun 15, 2026 | $0.00 | 18,500 | $0.00 | 18,500 |
Allen Patricia L | Award | Jun 15, 2026 | $0.00 | 18,500 | $0.00 | 18,500 |
Boylan James P | Award | Jun 15, 2026 | $0.00 | 18,500 | $0.00 | 18,500 |
MOULDER LEON O JR Chief Executive Officer | Buy | Mar 31, 2026 | $656,540.00 | 34,000 | $19.31 | 1.7M |
Lu Hongbo | Buy | Mar 31, 2026 | $1.5M | 75,000 | $20.00 | 422,968 |
MOULDER LEON O JR Chief Executive Officer | Buy | Mar 30, 2026 | $364,600.00 | 20,000 | $18.23 | 1.7M |
Allen Patricia L | Buy | Feb 13, 2026 | $109,657.60 | 4,160 | $26.36 | 19,860 |
Allen Patricia L | Buy | Feb 12, 2026 | $118,850.00 | 5,000 | $23.77 | 5,000 |
Allen Patricia L | Buy | Feb 12, 2026 | $138,738.00 | 5,700 | $24.34 | 10,700 |
Allen Patricia L | Buy | Feb 12, 2026 | $132,500.00 | 5,000 | $26.50 | 15,700 |
Farmer Joseph L See Remarks | Award | Feb 05, 2026 | $13,002.90 | 974 | $13.35 | 974 |
MOULDER LEON O JR Chief Executive Officer | Buy | Feb 02, 2026 | $1.0M | 57,000 | $17.96 | 423,155 |
Nunn Jason Raleigh | Buy | Oct 09, 2025 | $1.2M | 63,158 | $19.00 | 1.2M |
SR ONE CAPITAL MANAGEMENT, LLC | Buy | Oct 09, 2025 | $1.2M | 63,158 | $19.00 | 1.2M |
SR ONE CAPITAL MANAGEMENT, LLC | Buy | Oct 09, 2025 | $1.2M | 63,157 | $19.00 | 1.9M |
Fairmount Funds Management LLC | Buy | Oct 07, 2025 | $6.0M | 316,219 | $19.00 | 2.2M |
Lu Hongbo | Buy | Oct 07, 2025 | $5.0M | 263,160 | $19.00 | 321,983 |
Nunn Jason Raleigh | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
Oliveira Orlando See Remarks | Award | Jun 10, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
ENRIGHT PATRICK G | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
Allen Patricia L | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
ORLOFF JOHN J | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
MOULDER LEON O JR See Remarks | Award | Jun 10, 2025 | $0.00 | 400,000 | $0.00 | 400,000 |
Boylan James P | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
Fairmount Funds Management LLC | Award | Jun 10, 2025 | $0.00 | 18,500 | $0.00 | 18,500 |
Fox Jennifer A. See Remarks | Award | Jun 10, 2025 | $0.00 | 150,000 | $0.00 | 150,000 |
von Moltke Lisa See Remarks | Award | Apr 15, 2025 | $0.00 | 400,000 | $0.00 | 400,000 |
MOULDER LEON O JR Chief Executive Officer | Buy | Feb 18, 2025 | $166,750.00 | 25,000 | $6.67 | 266,155 |