TEM
Tempus AI, Inc.
77.80$
-0.9%
vs. previous close
Closing price · As of: Nov 3, 2026
Ownership
Ownership Structure
Who owns Tempus AI, Inc. (TEM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 65.6% of the shares are freely tradable; institutional investors hold 57.0%.
Institutional ownership
?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
57.0%
Insiders
?Share of the stock held by the executives, founders and major shareholders of the company itself.
37.1%
Float
?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
65.6%
Short % of float
?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
24.9%
Shares Outstanding
?Total number of shares issued. Price times share count gives market cap.
177Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Investment Management LLC | 5.62 | 10,022,634 | +4.3 | 06/30/2026 |
| BlackRock Inc | 4.65 | 8,291,053 | -7.6 | 06/30/2026 |
| Baillie Gifford & Co Limited. | 4.59 | 8,190,133 | -5.3 | 06/30/2026 |
| SoftBank Group Corp | 3.03 | 5,405,406 | +0.0 | 06/30/2026 |
| JPMorgan Chase & Co | 2.80 | 4,989,062 | +1.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.80 | 4,988,038 | +1.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 2.76 | 4,914,410 | +5.0 | 06/30/2026 |
| Amova Asset Management Americas, Inc | 2.29 | 4,089,029 | -5.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Innovation ETF | 3.20 | 5,710,989 | -9.3 | 09/30/2026 |
| Scottish Mortgage Ord | 2.35 | 4,192,158 | +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.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lefkofsky Eric P | CEO and Chairman | 26,146,013 | 2,034,159,811 $ | Aug 18, 2026 | both |
| Fukushima Ryan | CEO, Data | 578,337 | 44,994,619 $ | Aug 18, 2026 | both |
| Polovin Andrew | EVP, Chief Legal Officer | 135,189 | 10,517,704 $ | Sep 17, 2026 | direct |
| Rogers James William | Chief Financial Officer | 106,024 | 8,248,667 $ | Aug 19, 2026 | direct |
| Schoenherr Thomas Edward | CEO, Diagnostics | 76,740 | 5,970,372 $ | Sep 25, 2026 | direct |
| Bartolucci Ryan M | Chief Accounting Officer | 60,804 | 4,730,551 $ | Sep 17, 2026 | direct |
| West Nadja | Director | 31,981 | 2,488,122 $ | Aug 28, 2026 | direct |
| Epstein David R | Director | 30,844 | 2,399,663 $ | Sep 1, 2026 | direct |
| Doudna Jennifer A | Director | 25,266 | 1,965,695 $ | Sep 1, 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
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 13,209 | 72.31 | 955,143 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 14,237 | 71.56 | 1,018,800 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 5,486 | 70.58 | 387,202 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 1,300 | 69.28 | 90,064 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 6,636 | 68.00 | 451,248 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 9,132 | 67.36 | 615,132 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 2,071 | 72.31 | 149,754 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 2,167 | 71.56 | 155,071 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 824 | 70.58 | 58,158 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 195 | 69.28 | 13,510 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 961 | 68.00 | 65,348 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 1,282 | 67.36 | 86,356 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 35,759 | 72.31 | 2,585,733 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 38,489 | 71.56 | 2,754,273 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 14,820 | 70.58 | 1,045,996 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 3,510 | 69.28 | 243,173 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 17,825 | 68.00 | 1,212,100 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 24,597 | 67.36 | 1,656,854 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 15,259 | 72.31 | 1,103,378 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 16,414 | 71.56 | 1,174,586 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 6,312 | 70.58 | 445,501 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 1,495 | 69.28 | 103,574 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 7,592 | 68.00 | 516,256 |
| Oct 27, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 10,428 | 67.36 | 702,430 |
| Sep 25, 2026 | Schoenherr Thomas Edward | CEO, Diagnostics | Sell | 10,281 | 85.00 | 873,885 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 160 | 78.86 | 12,618 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 14,042 | 78.23 | 1,098,506 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 29,367 | 77.29 | 2,269,775 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 6,431 | 76.57 | 492,422 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 24 | 78.86 | 1,893 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 2,091 | 78.23 | 163,579 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 4,420 | 77.29 | 341,622 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 965 | 76.57 | 73,890 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 432 | 78.86 | 34,068 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 37,950 | 78.23 | 2,968,829 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 79,259 | 77.29 | 6,125,928 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 17,359 | 76.57 | 1,329,179 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 184 | 78.86 | 14,510 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 16,152 | 78.23 | 1,263,571 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 33,770 | 77.29 | 2,610,083 |
| Sep 22, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 7,394 | 76.57 | 566,159 |
| Sep 17, 2026 | Polovin Andrew | EVP, Chief Legal Officer | Sell | 2,951 | 75.00 | 221,325 |
| Sep 17, 2026 | Bartolucci Ryan M | Chief Accounting Officer | Sell | 7,062 | 75.00 | 529,650 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 645 | 81.09 | 52,303 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 6,855 | 80.52 | 551,965 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 11,609 | 81.09 | 941,374 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 123,391 | 80.52 | 9,935,443 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 4,942 | 81.09 | 400,747 |
| Sep 17, 2026 | Lefkofsky Eric P | CEO and Chairman | Sell | 52,558 | 80.52 | 4,231,970 |
| Sep 16, 2026 | Fukushima Ryan | CEO, Data | Sell | 700 | 70.00 | 49,000 |
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: November 3, 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.