Security key
88023B103
- Security type / class
- Equity / Common Stock
- Shares outstanding
- 172,987,120
- Total 13F shares
- 100,944,125
- Share change
- +9,567,799
- Total reported value
- $5,962,178,222
- Put/Call ratio
- 63%
- Reported price per share
- $59.05
- Number of holders
- 454
- Value change
- +$530,322,907
- Number of buys
- 249
- Number of sells
- 209
Security identity
Holder snapshot
Report period
Q4 2025
Institutions
454
Top holders
10
TEM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
Tempus AI, Inc. SEC filings
Tempus AI, Inc. company facts
Tempus AI, Inc. 13D/G history
Broader feeds
Reporting periods
Holder history for CUSIP 88023B103
Recent filing periods:
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.
Lead holder
Eric Paul Lefkofsky
13D/G signal
Eric Paul Lefkofsky
Evidence rows
15
Latest as of
31 Dec 2025
13D/G
3/4/5
13F
Lead comparable stake: 24%
13D/G row: Eric Paul Lefkofsky
Showing 1-6 of 15 holder rows.
Rank 1 holder
Eric Paul Lefkofsky
13D/G
- Ownership
- 24%
- Position
- $2.92B
Rank 2 holder
Bradley A. Keywell
3/4/5
13D/G
- Ownership
- 7.6%
- Position
- $544.73M
Rank 3 holder
Red Sky Ventures LLC
3/4/5
13D/G
- Ownership
- 4.7%
- Position
- $595.37M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Eric Paul Lefkofsky |
13D/G
|
24%
|
$2,923,620,275
42,767,997 shares
|
-$143,612,055 | 31 Dec 2025 |
| 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%
|
$91,573,028
14,044,943 shares
|
— | 30 Sep 2025 |
| Lightspeed Management Company, L.L.C. |
13F
Company
|
7.8%
|
$53,207,986
8,160,734 shares
|
— | 30 Sep 2025 |
| BAILLIE GIFFORD & CO |
13F
Company
|
5.6%
|
$782,276,913
9,692,441 shares
|
— | 30 Sep 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
454
Shares
100,944,125
Rows available
454
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* 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 failed the local validity check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
436
Q4 2025 holders
454
Holder diff
18
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend