Seaport Therapeutics, Inc. SPTX
Set alert
19.60 USD -1.50 -7.11%
At close · Oct 30
19.60 0.00 0.00%
After hours · Oct 30, 4:33 PM ET
19.00 Day range 21.16
15.25 52-week range 27.84
- YTD
- -1.21%
- 1 year
- -1.21%
- Open
- 20.96
- Prev close
- 21.10
- Mkt cap
- 1.05B
- Vol
- 549.19K
- Avg vol
- 203.02K
- EPS
- -5.81
- P/E
- 0.00
- Div yield
- 0.00%
More statistics
- Low
- 19.00
- High
- 21.16
- Forward P/E
- -7.60
- Beta
- 0.00
- Short ratio
- 12.17
- Inst. own
- 70.99%
- Dividend
- 0.00
- Ex-div date
- Earnings
- Nov 2, 2026
- 50-d avg
- 21.25
- 200-d avg
- 20.13
- 1y target
- 37.00
Ownership
Held by insiders 35.14%
Held by institutions 70.99%
Float held by institutions 109.46%
Institutions 76
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Arch Venture Management, Llc | 11.76% | 6,294,951 | 120.58M | Jun 29, 2026 |
| General Atlantic, L.P. | 11.40% | 6,101,582 | 116.88M | Jun 29, 2026 |
| Sofinnova Investments, Inc. | 6.66% | 3,564,871 | 68.29M | Jun 29, 2026 |
| Goldman Sachs Group Inc | 4.07% | 2,178,642 | 41.73M | Jun 29, 2026 |
| Trv Gp VI, LLC | 3.85% | 2,061,222 | 39.48M | Jun 29, 2026 |
| Canada Pension Plan Investment Board | 3.69% | 1,975,791 | 37.85M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| JPMorgan Trust II-JPMorgan Small Cap Growth Fund | 1.57% | 840,931 | 16.11M | Jun 29, 2026 |
| Prudential Sector Funds, Inc.-PGIM Jennison Health Sciences Fund | 0.82% | 438,754 | 8.40M | Aug 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 0.80% | 426,371 | 8.17M | Jun 29, 2026 |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 0.79% | 424,190 | 8.13M | Aug 30, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 0.66% | 355,159 | 6.80M | Sep 29, 2026 |
| T. Rowe Price Health Sciences Fund, Inc. | 0.56% | 299,319 | 5.73M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ARCH VENTURE PARTNERS XII, LLC | Beneficial Owner of more than 10% of a Class of Security | Purchase | May 3, 2026 | 0 |
| CHEN MICHAEL CUNYUAN PH.D. | Officer | Conversion of Exercise of derivative security | May 3, 2026 | 3,351 |
| GLADSTEIN LANA J.D. | General Counsel | Conversion of Exercise of derivative security | May 3, 2026 | 33,515 |
| HEALY JAMES I | Director | Conversion of Exercise of derivative security | May 3, 2026 | 0 |
| HOMBACH ROBERT J. CPA | Director | Purchase | Jun 21, 2026 | 0 |
| LOEBEL ANTONY M.D. | Officer | Conversion of Exercise of derivative security | May 3, 2026 | 20,109 |
Held by funds
45 US ETFs and mutual funds hold SPTX · largest positions