Tempus Ai Inc (TEM): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in TEM · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
18
13F filers
Aggregate Value
$700.8M
Across holders
Last Price
$66.75
2026-10-20
Sector
Health Care
GICS
Quarterly fund activity10 increased7 reduced3 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BAILLIE GIFFORD & CO CIK 0001088875 | Institutional Manager | 8.19M | $474.5M | 67.7% | 0.4% | Reduced | $-761.0M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 2.51M | $145.5M | 20.8% | 0.0% | Added | $-75.5M | Q2 2026 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC CIK 0001556921 | Hedge Fund | 309K | $17.9M | 2.6% | 0.1% | Reduced | $-50.0M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 207K | $12.0M | 1.7% | 0.0% | Reduced | $-11.3M | Q2 2026 |
| ARES MANAGEMENT LLC CIK 0001259313 | Hedge Fund | 164K | $9.5M | 1.4% | 0.4% | Unchanged | +$0 | Q2 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 147K | $8.5M | 1.2% | 0.1% | Added | — | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 146K | $8.5M | 1.2% | 0.0% | Added | +$7.4M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 70K | $4.0M | 0.6% | 0.0% | Added | — | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 64K | $3.7M | 0.5% | 0.0% | Reduced | $-42.6M | Q2 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 61K | $3.5M | 0.5% | 0.0% | Added | — | Q2 2026 |
Reduced
Institutional Manager
$474.5M· 67.7% of total· 0.4% port· 8.19M sh· $-761.0M QoQ· Q2 2026
Added
Hedge Fund
$145.5M· 20.8% of total· 0.0% port· 2.51M sh· $-75.5M QoQ· Q2 2026
Reduced
Hedge Fund
$17.9M· 2.6% of total· 0.1% port· 309K sh· $-50.0M QoQ· Q2 2026
Reduced
Hedge Fund
$12.0M· 1.7% of total· 0.0% port· 207K sh· $-11.3M QoQ· Q2 2026
Unchanged
Hedge Fund
$9.5M· 1.4% of total· 0.4% port· 164K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$8.5M· 1.2% of total· 0.1% port· 147K sh· — QoQ· Q2 2026
Added
Hedge Fund
$8.5M· 1.2% of total· 0.0% port· 146K sh· +$7.4M QoQ· Q2 2026
Added
Hedge Fund
$4.0M· 0.6% of total· 0.0% port· 70K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$3.7M· 0.5% of total· 0.0% port· 64K sh· $-42.6M QoQ· Q2 2026
Added
Hedge Fund
$3.5M· 0.5% of total· 0.0% port· 61K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$2.9M· 0.4% of total· 0.0% port· 50K sh· $-1.9M QoQ· Q2 2026
Added
Hedge Fund
$2.8M· 0.4% of total· 0.0% port· 48K sh· +$2.3M QoQ· Q2 2026
Reduced
Hedge Fund
$2.4M· 0.3% of total· 0.0% port· 42K sh· $-1.1M QoQ· Q2 2026
Added
Hedge Fund
$2.2M· 0.3% of total· 0.0% port· 38K sh· +$361K QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 0.2% of total· 0.0% port· 21K sh· $-4.8M QoQ· Q2 2026
Added
Hedge Fund
$1.2M· 0.2% of total· 0.0% port· 20K sh· $-253K QoQ· Q2 2026
Added
Hedge Fund
$435K· 0.1% of total· 0.0% port· 8K sh· +$87K QoQ· Q2 2026
Reduced
Hedge Fund
$23K· 0.0% of total· 0.0% port· 389 sh· $-2K QoQ· Q2 2026
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Recent insider activity
Form 4 purchases and sales · 24 Jul 2026 – 21 Oct 20260 buyers · $07 sellers · $82.3M86 transactions
| Insider ⇅ | Trades ⇅ | Bought ⇅ | Sold ⇅ | Largest ⇅ | Latest ▼ | |
|---|---|---|---|---|---|---|
| Schoenherr Thomas Edward CEO, Diagnostics | 8 0 buy · 8 sell | — | $2.0M | $874K | 25 Sept 2026SEC ↗ | |
| LEFKOFSKY ERIC P CEO and Chairman | 61 0 buy · 61 sell | — | $69.6M | $9.9M | 22 Sept 2026SEC ↗ | |
| Bartolucci Ryan M Chief Accounting Officer | 2 0 buy · 2 sell | — | $836K | $530K | 17 Sept 2026SEC ↗ | |
| Polovin Andrew EVP, Chief Legal Officer | 3 0 buy · 3 sell | — | $1.8M | $1.1M | 17 Sept 2026SEC ↗ | |
| Fukushima Ryan CEO, Data | 9 0 buy · 9 sell | — | $5.2M | $2.0M | 16 Sept 2026SEC ↗ | |
| Rogers James William Chief Financial Officer | 2 0 buy · 2 sell | — | $2.7M | $1.6M | 19 Aug 2026SEC ↗ | |
| West Nadja Director | 1 0 buy · 1 sell | — | $162K | $162K | 14 Aug 2026SEC ↗ |
Distinct buyers and sellers may overlap. “Largest” is the largest reported transaction value in this window. Expand a row to see up to five recent filings.