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Buy Day today: Good (62) Broad market participation · no major macro event
RLAY

Relay Therapeutics Inc

Healthcare · Biotechnology

19.20$ +1.9% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Relay Therapeutics Inc (RLAY)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 66.4% of the shares are freely tradable; institutional investors hold 87.0%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 87.0%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 1.4%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 66.4%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 23.1%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 219Mio.

Largest Shareholders

Institutions

Institutions RLAY
Name Stake (%) Shares Change (%) Date
SB INVESTMENT ADVISERS (UK) LTD 12.73 27,904,963 +0.0 06/30/2026
COMMODORE CAPITAL LP 7.76 17,000,000 +0.0 03/31/2026
Casdin Capital, LLC 7.32 16,035,240 +11.2 06/30/2026
Perceptive Advisors LLC 6.44 14,106,187 +44.7 06/30/2026
BlackRock Inc 5.92 12,975,299 -1.9 03/31/2026
Bellevue Group AG 3.56 7,795,242 -6.6 03/31/2026
Vanguard Capital Management, LLC 3.37 7,387,465 +0.0 03/31/2026
Nextech Invest, Ltd. 3.09 6,776,506 +22.6 06/30/2026

Funds

Funds RLAY
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 3.11 6,825,932 +0.4 07/31/2026
State Street® SPDR® S&P® Biotech ETF 3.03 6,641,545 -1.1 08/31/2026

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

Insider holdings

Insider holdings RLAY
Person Role Shares Value As of Type
SVF Pauling (Cayman) Ltd 10% Owner 21,904,963 420,575,290 $ Aug 25, 2026 indirect
Patel Sanjiv President and CEO 519,500 9,974,400 $ Sep 8, 2026 direct
Bergstrom Donald A President, R&D 399,130 7,663,296 $ Sep 8, 2026 direct
Rahmer Peter See remarks 223,657 4,294,214 $ Aug 26, 2026 direct
Catinazzo Thomas Chief Financial Officer 122,851 2,358,739 $ Sep 8, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Sep 8, 2026 Bergstrom Donald A President, R&D Sell 8,530 18.97 161,814
Sep 8, 2026 Catinazzo Thomas Chief Financial Officer Sell 17,717 18.94 335,560
Sep 8, 2026 Patel Sanjiv President and CEO Sell 48,199 18.94 912,889
Aug 26, 2026 Rahmer Peter See remarks Sell 4,508 20.03 90,295
Aug 25, 2026 SVF Pauling (Cayman) Ltd 10% Owner Sell 6,000,000 19.40 116,400,000
Aug 17, 2026 Patel Sanjiv President and CEO Sell 48,199 20.33 979,886
Aug 14, 2026 Catinazzo Thomas Chief Financial Officer Sell 17,717 19.74 349,734
Jul 28, 2026 Catinazzo Thomas Chief Financial Officer Sell 1,459 18.61 27,152
Jul 28, 2026 Rahmer Peter See remarks Sell 748 18.61 13,920
Jul 28, 2026 Bergstrom Donald A President, R&D Sell 2,237 18.61 41,631
Jul 7, 2026 Patel Sanjiv President and CEO Sell 48,199 19.58 943,736
Jul 6, 2026 Bergstrom Donald A President, R&D Sell 8,660 18.71 162,029
Jul 6, 2026 Catinazzo Thomas Chief Financial Officer Sell 17,717 18.69 331,131
Jun 30, 2026 Patel Sanjiv President and CEO Other 3,056 6.95 21,239

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 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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