Tempus AI
433 hedge funds and large institutions have $4.75B invested in Tempus AI in 2026 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 170 increasing their positions, 109 reducing their positions, and 103 closing their positions.
126% more capital inflows, than outflows
Capital inflows: $1.48B | Capital outflows: $656M
56% more repeat investments, than reductions
Existing positions increased: 170 | Existing positions reduced: 109
38% more call options, than puts
Call options by funds: $630M | Put options by funds: $456M
2.21% more ownership
Funds ownership: 58.39% → 60.61% (+2.2%)
6% less funds holding
Funds holding: 461 → 433 (-28)
13% less funds holding in top 10
Funds holding in top 10: 8 → 7 (-1)
18% less first-time investments, than exits
New positions opened: 84 | Existing positions closed: 103
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ARK Investment Management
St. Petersburg,
Florida
|
+$117M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$99.5M |
| 3 |
BlackRock
New York
|
+$82.5M |
| 4 |
Nikko Asset Management Americas
New York
|
+$46.7M |
| 5 |
Sumitomo Mitsui Trust Group
Minato-Ku, Tokyo,
Japan
|
+$46.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
-$62.2M |
| 2 |
Two Sigma Investments
New York
|
-$45M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$41.2M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$34.8M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$27.5M |
TEM Hedge Fund Activity: Q1 2026 in Review
433 of the 8,232 institutional investors tracked by Wall St. Rank reported a position in Tempus AI (TEM) for Q1 2026, worth a combined $4.75B — down 20% from $5.96B a quarter earlier.
Sellers outnumbered buyers: 103 funds closed out of TEM and 84 opened new positions — a net loss of 19 holders — while 109 trimmed existing stakes and 170 added.
The largest buyer was ARK Investment Management, adding an estimated $117M. The largest seller was D.E. Shaw & Co, cutting an estimated $62.2M.
- 433 institutional investors held Tempus AI (TEM) as of Q1 2026, down from 461 in Q4 2025.
- Funds reported $4.75B of Tempus AI stock for Q1 2026, down 20% quarter-over-quarter.
- 84 funds opened new Tempus AI positions in Q1 2026 and 103 closed out, a net change of -19 holders.
- The largest Tempus AI buyer in Q1 2026 was ARK Investment Management, an estimated $117M added.
- The largest Tempus AI seller in Q1 2026 was D.E. Shaw & Co, an estimated $62.2M sold.
Based on aggregated 13F filings for Q1 2026.