Senti Biosciences, Inc. (SNTI) Ownership
SNTI ownership summary
as of October 17, 2026- Institutions
- 19.0% of shares outstanding
- Insiders
- 48.43% of shares outstanding
- Shares outstanding
- 31.1M
- Float
- 12.3M shares available to trade
- Short interest
- 2.74% 487K shares short
- Days to cover
- 0.47 short interest down 4.6% vs prior month
- Institutions 19.03%
- Insiders 48.43%
- Other investors 32.54%
SNTI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 2.85% | 888K | $199,800 | — | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 1.73% | 538K | $120,938 | +537,504 (0.0%) | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 0.60% | 187K | $42,090 | −19,978 (−9.6%) | June 30, 2026 |
| 4 | Citadel Advisors Llc | 0.34% | 107K | $24,098 | +107,100 (0.0%) | June 30, 2026 |
| 5 | Vanguard Fiduciary Trust Co | 0.29% | 91K | $20,518 | +91,193 (0.0%) | June 30, 2026 |
| 6 | Jane Street Group LLC | 0.17% | 53K | $11,819 | +52,530 (0.0%) | June 30, 2026 |
| 7 | Menlo Ventures Management, L.P. | 0.11% | 36K | $8,041 | — | June 30, 2026 |
| 8 | Northern Trust Corp | 0.10% | 32K | $7,235 | +15,376 (+91.6%) | June 30, 2026 |
| 9 | XTX Topco Ltd | 0.08% | 24K | $5,312 | +6,333 (+36.7%) | June 30, 2026 |
| 10 | Virtu Financial LLC | 0.07% | 23K | $5,129 | +22,795 (0.0%) | June 30, 2026 |
| 11 | UBS Group AG | 0.05% | 14K | $3,247 | +5,795 (+67.1%) | June 30, 2026 |
| 12 | State Street Corp | 0.03% | 10K | $2,252 | — | June 30, 2026 |
| 13 | Tower Research Capital LLC | 0.02% | 7,344 | $1,652 | +7,344 (0.0%) | June 30, 2026 |
| 14 | Royal Bank of Canada | 0.01% | 4,015 | $903 | +4,015 (0.0%) | June 30, 2026 |
| 15 | BlackRock Inc | 0.01% | 4,004 | $901 | −21,070 (−84.0%) | June 30, 2026 |
| 16 | Barclays PLC | <0.01% | 768 | $173 | +768 (0.0%) | June 30, 2026 |
| 17 | SBI Securities Co Ltd | <0.01% | 334 | $75 | — | June 30, 2026 |
| 18 | Morgan Stanley - Brokerage Accounts | <0.01% | 169 | $38 | +9 (+5.6%) | June 30, 2026 |
| 19 | Caitong International Asset Management Co., Limited. | 0.00% | 1 | $0 | +1 (0.0%) | June 30, 2026 |
| 20 | NEA Management Company, LLC | 0.00% | — | — | −3.8M (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 851K shares and 3 cut 3.8M.
SNTI top mutual fund and ETF holders
5 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 1.18% | 369K | $82,998 | — | August 31, 2026 |
| 2 | Fidelity Extended Market Index | 0.31% | 95K | $21,384 | −511 (−0.5%) | August 31, 2026 |
| 3 | Fidelity Nasdaq Composite Index | 0.08% | 25K | $5,580 | — | August 31, 2026 |
| 4 | Fidelity Total Market Index | 0.06% | 20K | $4,498 | — | August 31, 2026 |
| 5 | Fidelity Series Total Market Index | 0.06% | 19K | $4,230 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SNTI insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-06 | Kanya Rajangam | Sell | $4.37 | 182 | $795 |
| 2025-02-06 | Timothy K Lu | Sell | $4.36 | 545 | $2,376 |
| 2025-02-04 | Kanya Rajangam | Sell | $4.07 | 1,297 | $5,279 |
| 2025-02-04 | Timothy K Lu | Sell | $4.07 | 3,922 | $15,963 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SNTI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SNTI
Institutional investors own 19.0% of Senti Biosciences's shares and insiders 48.43%. The largest holder is Nantahala Capital Management, LLC with 2.85% of the shares (888K), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 3 reduced their stake in the latest filings. Short interest is 2.74% of the float, or 0.47 days of average trading volume. The share count rose 56.6% since 2020.
Related: SNTI analyst forecast, SNTI key metrics. See the SNTI stock overview for the latest quote and news.
SNTI ownership FAQ
Who owns the most Senti Biosciences stock?
The largest shareholders of Senti Biosciences are Nantahala Capital Management, LLC (2.85%), Vanguard Capital Management, LLC (1.73%), Geode Capital Management, LLC (0.60%), Citadel Advisors Llc (0.34%), Vanguard Fiduciary Trust Co (0.29%).
What percentage of Senti Biosciences is owned by institutions?
Institutions hold 19.0% of Senti Biosciences's shares outstanding; insiders hold 48.43%.
Which funds own Senti Biosciences?
The largest fund holders of Senti Biosciences are Vanguard MStar Total Stk Mkt Idx Invest (1.18%), Fidelity Extended Market Index (0.31%), Fidelity Nasdaq Composite Index (0.08%), Fidelity Total Market Index (0.06%), Fidelity Series Total Market Index (0.06%).
What is Senti Biosciences's short interest?
487K shares of Senti Biosciences were sold short, 2.74% of the float; at the average daily volume it would take 0.47 days to cover.
Are insiders buying or selling Senti Biosciences?
Of the latest 4 reported insider transactions in Senti Biosciences (since February 4, 2025), 0 were purchases and 4 were sales.
How many shares of Senti Biosciences are outstanding?
Senti Biosciences has 31.1M shares outstanding, of which 12.3M are in the public float.