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SEPTERNA (SEPN)
NASDAQ
$40.02+$0.02 (+0.04%)
Price as of Aug 21, 2026 7:30 PM EDT- $1.9BMarket Cap
- 233.61%1-Year Change
- BiotechnologyIndustry
SEPTERNA (SEPN)
$40.02+$0.02 (+0.04%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
RA CAPITAL MANAGEMENT, L.P. | 15.52% | 7.0M | 0 (0.00%) | Jun 30, 2026 |
TRV GP V, LLC | 13.79% | 6.2M | 0 (0.00%) | Jun 30, 2026 |
DRIEHAUS CAPITAL MANAGEMENT LLC | 9.83% | 4.4M | +37,486 (+0.85%) | Jun 30, 2026 |
TRV GP VI, LLC | 9.34% | 4.2M | 0 (0.00%) | Jun 30, 2026 |
SAMSARA BIOCAPITAL, LLC | 6.99% | 3.1M | 0 (0.00%) | Jun 30, 2026 |
GOLDMAN SACHS GROUP INC | 6.79% | 3.1M | +156,339 (+5.10%) | Jun 30, 2026 |
BLACKROCK, INC. | 4.29% | 1.9M | +109,914 (+5.69%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 2.59% | 1.2M | +11,627 (+1.00%) | Mar 31, 2026 |
PRIMECAP Odyssey Funds | 1.80% | 812,982 | +361,082 (+44.41%) | Apr 30, 2026 |
DRIEHAUS MUTUAL FUNDS | 1.19% | 537,006 | -123,859 (-23.06%) | Mar 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.61% | 276,108 | +249,579 (+90.39%) | Apr 30, 2026 |
FIDELITY CONCORD STREET TRUST | 0.50% | 224,559 | -1,150 (-0.51%) | May 31, 2026 |
Fidelity Rutland Square Trust II | 0.40% | 181,700 | 0 (0.00%) | May 31, 2026 |
FIDELITY ADVISOR SERIES VII | 0.29% | 130,200 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions273.0M (87.08%)
- Mutual Funds28.3M (9.04%)
- Insiders12.1M (3.87%)
- Other0 (0.00%)
Insider Transactions
- 3.87% (12.1M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 5Number of InsiderSelling (last 12 months)
- $801.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
RA CAPITAL MANAGEMENT, LLC | Sell | Aug 12, 2026 | $31.7M | 746,500 | $42.50 | 4.8M |
Third Rock Ventures V, L.P. | Sell | Aug 12, 2026 | $7.4M | 147,059 | $50.27 | 6.1M |
RA CAPITAL MANAGEMENT, LLC | Sell | Aug 12, 2026 | $31.7M | 746,500 | $42.50 | 725,443 |
Third Rock Ventures V, L.P. | Sell | Aug 12, 2026 | $7,202.28 | 141 | $51.08 | 6.1M |
Long Daniel D. SVP, Drug Discovery | Exempt | Aug 03, 2026 | $0.00 | 1,816 | $0.00 | 5,227 |
Long Daniel D. SVP, Drug Discovery | Exempt | Aug 03, 2026 | $0.00 | 1,518 | $0.00 | 12,418 |
Long Daniel D. SVP, Drug Discovery | Exempt | Aug 03, 2026 | $5,012.16 | 1,816 | $2.76 | 98,228 |
Long Daniel D. SVP, Drug Discovery | Exempt | Aug 03, 2026 | $4,189.68 | 1,518 | $2.76 | 99,746 |
Long Daniel D. SVP, Drug Discovery | Sell | Aug 03, 2026 | $33,975.60 | 1,000 | $33.98 | 98,746 |
Long Daniel D. SVP, Drug Discovery | Sell | Aug 03, 2026 | $80,944.29 | 2,334 | $34.68 | 96,412 |
Shaikhly Samira Chief People Officer | Exempt | Jun 29, 2026 | $0.00 | 2,178 | $0.00 | 20,865 |
Shaikhly Samira Chief People Officer | Exempt | Jun 29, 2026 | $14,832.18 | 2,178 | $6.81 | 2,971 |
Shaikhly Samira Chief People Officer | Sell | Jun 29, 2026 | $76,622.04 | 2,178 | $35.18 | 793 |
Tong Jeffrey K | Award | Jun 26, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
RA CAPITAL MANAGEMENT, LLC | Award | Jun 26, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
Simson Jake | Award | Jun 26, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
Coulie Bernard | Award | Jun 26, 2026 | $0.00 | 15,000 | $0.00 | 15,000 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $0.00 | 53,714 | $0.00 | 15,969 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $0.00 | 11,638 | $0.00 | 3,460 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $0.00 | 5,101 | $0.00 | 5,101 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $83,256.70 | 53,714 | $1.55 | 54,507 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $32,120.88 | 11,638 | $2.76 | 66,145 |
Shaikhly Samira Chief People Officer | Exempt | Mar 02, 2026 | $14,078.76 | 5,101 | $2.76 | 71,246 |
Shaikhly Samira Chief People Officer | Sell | Mar 02, 2026 | $112,496.27 | 4,090 | $27.51 | 67,156 |
Shaikhly Samira Chief People Officer | Sell | Mar 02, 2026 | $1.9M | 66,363 | $28.14 | 793 |
Bhatt Elizabeth President and COO | Exempt | Feb 18, 2026 | $0.00 | 4,000 | $0.00 | 88,911 |
Bhatt Elizabeth President and COO | Exempt | Feb 18, 2026 | $27,240.00 | 4,000 | $6.81 | 178,209 |
Bhatt Elizabeth President and COO | Sell | Feb 18, 2026 | $62,610.68 | 2,200 | $28.46 | 176,009 |
Bhatt Elizabeth President and COO | Sell | Feb 18, 2026 | $53,249.58 | 1,800 | $29.58 | 174,209 |
Finer Jeffrey Chief Executive Officer | Award | Feb 06, 2026 | $0.00 | 400,000 | $0.00 | 400,000 |