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KEROS THERAP (KROS)
NASDAQ
$10.50$0.00 (0.00%)
Price as of Jun 03, 2026 4:10 PM EDT- $222.7MMarket Cap
- -29.43%1-Year Change
- BiotechnologyIndustry
KEROS THERAP (KROS)
$10.50$0.00 (0.00%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 8.53% | 2.7M | +96,670 (+3.54%) | Dec 31, 2024 |
BLACKROCK INC. | 7.85% | 2.5M | +347,234 (+13.82%) | Jun 30, 2024 |
BLACKROCK, INC. | 7.54% | 2.4M | +121,261 (+5.03%) | Mar 31, 2026 |
VANGUARD GROUP INC | 4.77% | 1.5M | -1.2M (-78.24%) | Dec 31, 2025 |
TANG CAPITAL MANAGEMENT LLC | 4.43% | 1.4M | 0 (0.00%) | Sep 30, 2025 |
NANTAHALA CAPITAL MANAGEMENT, LLC | 4.25% | 1.4M | +1.0M (+73.51%) | Mar 31, 2026 |
ALKEON CAPITAL MANAGEMENT LLC | 2.66% | 850,511 | 0 (0.00%) | Sep 30, 2025 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 3.70% | 1.2M | -28,973 (-2.45%) | Mar 31, 2026 |
FIDELITY SECURITIES FUND | 2.83% | 905,140 | 0 (0.00%) | Jan 31, 2026 |
VANGUARD INDEX FUNDS | 2.54% | 812,711 | +4,310 (+0.53%) | Mar 31, 2026 |
FIDELITY ADVISOR SERIES VII | 2.03% | 649,200 | 0 (0.00%) | Jan 31, 2026 |
SPDR SERIES TRUST | 1.57% | 501,687 | 0 (0.00%) | Jan 31, 2026 |
Federated Hermes MDT Series | 1.50% | 480,615 | 0 (0.00%) | Jan 31, 2026 |
Janus Detroit Street Trust | 1.47% | 469,784 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions461.2M (79.02%)
- Mutual Funds116.1M (19.90%)
- Insiders6.3M (1.08%)
- Other0 (0.00%)
Insider Transactions
- 1.08% (6.3M)Current InsiderOwnership (%, shares)
- 1Number of InsiderBuying (last 12 months)
- $61,094.50Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $187.8MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
BIENAIME JEAN JACQUES | Buy | Mar 09, 2026 | $22,420.00 | 2,000 | $11.21 | 7,450 |
Seehra Jasbir CHIEF EXECUTIVE OFFICER | Award | Feb 24, 2026 | $0.00 | 217,000 | $0.00 | 217,000 |
Lerner Lorena Raquel Chief Scientific Officer | Award | Feb 24, 2026 | $0.00 | 75,000 | $0.00 | 75,000 |
Cho Esther Chief Legal Officer | Award | Feb 24, 2026 | $0.00 | 80,000 | $0.00 | 80,000 |
Regnante Keith CHIEF FINANCIAL OFFICER | Award | Feb 24, 2026 | $0.00 | 60,000 | $0.00 | 60,000 |
Seehra Jasbir CHIEF EXECUTIVE OFFICER | Award | Feb 24, 2026 | $0.00 | 100,000 | $0.00 | 100,000 |
Seehra Jasbir CHIEF EXECUTIVE OFFICER | Sell | Feb 19, 2026 | $113,432.55 | 7,015 | $16.17 | 385,708 |
Lerner Lorena Raquel Chief Science Officer | Sell | Feb 18, 2026 | $63,323.55 | 3,873 | $16.35 | 31,127 |
Regnante Keith CHIEF FINANCIAL OFFICER | Sell | Feb 18, 2026 | $77,482.65 | 4,739 | $16.35 | 39,261 |
Seehra Jasbir CHIEF EXECUTIVE OFFICER | Award | Jan 07, 2026 | $0.00 | 62,500 | $0.00 | 62,500 |
Knowles Julius | Return | Nov 21, 2025 | $3.4M | 191,527 | $17.75 | 150,047 |
GORDON CARL L | Return | Nov 21, 2025 | $2.5M | 140,057 | $17.75 | 759,155 |
Knowles Julius | Return | Nov 21, 2025 | $2.3M | 130,494 | $17.75 | 102,233 |
ORBIMED ADVISORS LLC | Return | Nov 21, 2025 | $2.5M | 140,057 | $17.75 | 759,155 |
GORDON CARL L | Return | Nov 21, 2025 | $1.3M | 74,465 | $17.75 | 45,057 |
ORBIMED ADVISORS LLC | Return | Nov 21, 2025 | $1.3M | 74,465 | $17.75 | 45,057 |
ADAR1 Capital Management, LLC | Sell | Oct 15, 2025 | $77.9M | 4.4M | $17.75 | 0 |
Pontifax Management 4 G.P. (2015) Ltd. | Sell | Oct 15, 2025 | $40.6M | 2.3M | $17.75 | 0 |
ADAR1 Capital Management, LLC | Sell | Oct 15, 2025 | $4.5M | 254,669 | $17.75 | 0 |
Pontifax Management 4 G.P. (2015) Ltd. | Sell | Oct 15, 2025 | $19.9M | 1.1M | $17.75 | 0 |
ADAR1 Capital Management, LLC | Sell | Oct 15, 2025 | $13.2M | 743,358 | $17.75 | 0 |
Pontifax Management 4 G.P. (2015) Ltd. | Sell | Oct 15, 2025 | $21.8M | 1.2M | $17.75 | 0 |
Pontifax Management 4 G.P. (2015) Ltd. | Sell | Oct 15, 2025 | $2.8M | 155,262 | $17.75 | 0 |
Seehra Jasbir CHIEF EXECUTIVE OFFICER | Award | Sep 03, 2025 | $0.00 | 90,500 | $0.00 | 392,723 |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $0.00 | 1 | $0.00 | 0 |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $0.00 | 14 | $0.00 | 0 |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $0.00 | 2 | $0.00 | 0 |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $6,000.00 | 100 | $60.00 | 4.4M |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $98,000.00 | 1,400 | $70.00 | 4.4M |
ADAR1 Capital Management, LLC | In The Money | Jun 20, 2025 | $14,000.00 | 200 | $70.00 | 743,358 |