Tempus AI

TEM · NASDAQ

$66.75+$2.41 (+3.75%)TodayMarket closed · Oct 20, 7:59 PM ET

Prev close $64.34

Who owns TEM

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 56.0% of TEM’s shares.

Blue Media, LLC14.3%
BK TL21 LLC8.4%
Baillie Gifford & Co.6.7%
Red Sky LLC5.3%
Next 6 largest institutions21.3%
All other shareholders44.0%

Top institutional holders of TEM
Holder	Shares	% of shares	Change, last filing	Filed
Blue Media, LLC	25.83M	14.33%	−762.35K	Mar 31, 2025
BK TL21 LLC	15.22M	8.44%	+0	Mar 18, 2025
Baillie Gifford & Co.	12.09M	6.71%	−196.93K	Jun 30, 2025
Red Sky LLC	9.50M	5.27%	−2.06M	Mar 31, 2025
Gray Media, LLC	9.41M	5.22%	−150.00K	Mar 31, 2025
The Vanguard Group, Inc.	7.72M	4.28%	+1.72M	Jun 30, 2025
ARK Investment Management LLC	7.42M	4.12%	−79.63K	Jun 30, 2025
SoftBank Group Corp	5.41M	3.00%	+0	Jun 30, 2025
Lefkofsky (Eric Paul)	4.54M	2.52%	−16.75K	May 20, 2025
Nikko Asset Management Co., Ltd.	3.87M	2.15%	−385.54K	Jun 30, 2025

Largest mutual fund holders

Top mutual fund holders of TEM
Holder	Shares	% of shares	Change, last filing	Filed
Scottish Mortgage Investment Trust PLC	7.39M	4.10%	+0	Apr 30, 2025
ARK Innovation ETF	5.99M	3.32%	+813.58K	Jul 31, 2025
Vanguard Total Stock Market Index Fund	3.25M	1.80%	+565.69K	Jun 30, 2025
Vanguard Small-Cap Index Fund	2.46M	1.37%	+355.38K	Jun 30, 2025
Vanguard U.S. Growth Fund	2.24M	1.24%	−135.28K	Jun 30, 2025

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $115.58M (131 trades) of TEM on the open market, with no buys.

Latest TEM insider transactions
Insider	Date	Type	Shares	Price	Value
Schoenherr Thomas Edward	Sep 25, 2026	Sale	10.28K	$85.00	$873.88K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	160	$78.86	$12.62K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	14.04K	$78.23	$1.10M
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	29.37K	$77.29	$2.27M
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	6.43K	$76.57	$492.42K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	24	$78.86	$1.89K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	2.09K	$78.23	$163.58K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	4.42K	$77.29	$341.62K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	965	$76.57	$73.89K
LEFKOFSKY ERIC P	Sep 22, 2026	Sale	432	$78.86	$34.07K

Congressional trades

Disclosed by members of Congress over the last 12 months

TEM trades disclosed by members of Congress
Member	Type	Amount	Traded	Filed
Nancy PelosiHouse	Purchase	$50K–$100K	Jan 16, 2026	Jan 23, 2026

Short interest

Settled Sep 30, 2026

Shares short: 25.12M
Days to cover: 3.22
% of shares outstanding: 13.94%
Average daily volume: 7.79M
Change since last report: −10.5%

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