Who owns Tempus AI, Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
BAILLIE GIFFORD & CO: 5.0% · 8,649,356 shares
The Vanguard Group: 0.0% · 0 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Tempus AI, Inc. they hold. Together these 670 managers report 122387.53% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| ARK Investment Management LLC | $691M | 18,293,973 | 4.49% | 10168.01% | June 30, 2026 |
| VANGUARD GROUP INC | $632M | 13,512,418 | 0.01% | 7510.36% | December 31, 2025 |
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 383 funds hold 35864.83% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| ARK Innovation ETF | $347M | 5.36% | 3478.02% | April 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $237M | 0.01% | 3192.14% | June 30, 2026 |
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