Security key
88023B103
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 92,454,668
- Total 13F value
- $7,463,974,765
- Share change
- +8,701,956
- Put/Call ratio
- 71%
- SEC-reported price per share
- $80.71
- Number of holders
- 436
- Value change
- +$723,696,066
- Number of buys
- 285
- Number of sells
- 161
- Shares outstanding
- 172,987,120
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
436
Top holders
10
TEM full security history
Ownership snapshot
Full 13F holder table
Tempus AI, Inc. SEC filings
Tempus AI, Inc. company facts
Tempus AI, Inc. 13D/G history
Broader feeds
Ownership snapshot
Top reported holders of TEM - Tempus AI, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Bradley A. Keywell
Disclosed value leader
BAILLIE GIFFORD & CO
Comparable rows
15/15
Latest evidence
30 Jun 2025
3/4/5
13D/G
13F
Lead comparable stake: 7.6%
13D/G row: Bradley A. Keywell
Showing 1-6 of 15 holder rows.
Quick read
Bradley A. Keywell leads the comparable SEC ownership view at 7.6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Bradley A. Keywell's linked filing trail.
Comparable ownership
Top 5
Bradley A. Keywell
7.6%
Red Sky Ventures LLC
4.7%
Merck & Co., Inc.
13%
Lightspeed Management Company, L....
7.8%
BAILLIE GIFFORD & CO
7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Bradley A. Keywell |
3/4/5
13D/G
10%+ Owner
|
7.6%
from 13D/G
|
$544,732,244
15,218,365 shares
|
— | 15 Jan 2025 |
| Red Sky Ventures LLC |
3/4/5
13D/G
10%+ Owner
|
4.7%
from 13D/G
|
$595,367,647
14,610,249 shares
|
— | 11 Dec 2024 |
| Merck & Co., Inc. |
13F
Company
|
13%
|
$92,134,826
14,044,943 shares
|
— | 30 Jun 2025 |
| Lightspeed Management Company, L.L.C. |
13F
Company
|
7.8%
|
$53,534,415
8,160,734 shares
|
— | 30 Jun 2025 |
| BAILLIE GIFFORD & CO |
13F
Company
|
7%
|
$768,454,602
12,094,029 shares
|
— | 30 Jun 2025 |
| AIGH Capital Management LLC |
13F
Company
|
3.6%
|
$24,429,164
3,723,958 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
436
Shares
92,454,668
Rows available
436
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
364
Q3 2025 holders
436
Holder diff
72
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|