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Buy Day today: Neutral (51) Mixed market breadth · no major macro event
SNTI

Senti Biosciences Inc

Healthcare · Biotechnology

0.32$ +2.2% vs. previous close Closing price · As of: Sep 18, 2026

Ownership

Ownership Structure

Who owns Senti Biosciences Inc (SNTI)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 39.4% of the shares are freely tradable; institutional investors hold 18.5%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 18.5%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 47.9%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 39.4%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 3.0%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 31Mio.

Largest Shareholders

Institutions

Institutions SNTI
Name Stake (%) Shares Change (%) Date
NEA Management Company, LLC 12.12 3,775,615 +0.0 03/31/2026
Nantahala Capital Management, LLC 2.85 888,000 +0.0 03/31/2026
Geode Capital Management, LLC 0.66 207,043 +43.0 03/31/2026
Citadel Advisors Llc 0.34 107,100 +0.0 06/30/2026
Menlo Ventures Management, L.P. 0.11 35,737 +0.0 06/30/2026
BlackRock Inc 0.08 25,074 +7.2 03/31/2026

Funds

Funds SNTI
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 1.18 368,878 +0.0 07/31/2026
Vanguard Institutional Extnd Mkt Idx Tr 0.54 168,626 +0.0 07/31/2026
Fidelity Extended Market Index 0.31 95,549 -0.2 07/31/2026
Fidelity Nasdaq Composite Index 0.08 24,798 +0.0 07/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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