TEMPUS AI INC TEM
CL A · Common Stock · CUSIP 88023B103 · ISIN US88023B1035
American health technology company
- SectorTechnology
- IndustryServices-Computer Programming, Data Processing, Etc.
- HeadquartersChicago, IL
- Websitetempus.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($200.1m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $45.11. Options: 27 managers hold calls ($629.8m notional), 27 hold puts ($456.3m).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q2 2024 | 81 |
| Q3 2024 | 98 |
| Q4 2024 | 156 |
| Q1 2025 | 289 |
| Q2 2025 | 371 |
| Q3 2025 | 442 |
| Q4 2025 | 457 |
| Q1 2026 | 427 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 66 | 42 |
| Q4 2024 | 115 | 35 |
| Q1 2025 | 239 | 60 |
| Q2 2025 | 248 | 119 |
| Q3 2025 | 286 | 162 |
| Q4 2025 | 246 | 215 |
| Q1 2026 | 243 | 208 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $1.2bn | $623.1m | 0.50 |
| Q3 2025 | $1.7bn | $1.2bn | 0.69 |
| Q4 2025 | $1.1bn | $705.0m | 0.65 |
| Q1 2026 | $629.8m | $456.3m | 0.72 |
Biggest buyers
| ARK Investment Management LLC | Added | +2.1m |
| UBS Group AG | Added | +1.8m |
| BlackRock, Inc. | Added | +1.5m |
| Sumitomo Mitsui Trust Group, Inc. | Added | +821.5k |
| Amova Asset Management Americas, Inc. | Added | +821.5k |
| FRANKLIN RESOURCES INC | Added | +719.9k |
| CANADA PENSION PLAN INVESTMENT BOARD | Added | +718.7k |
| GOLDMAN SACHS GROUP INC | Added | +551.3k |
| BAMCO INC /NY/ | Added | +543.8k |
| BARCLAYS PLC | Added | +523.9k |
Biggest sellers
| D. E. Shaw & Co., Inc. | Reduced | -1.1m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -792.1k |
| BANK OF AMERICA CORP /DE/ | Reduced | -725.7k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -612.1k |
| MILLENNIUM MANAGEMENT LLC | Sold out | -471.3k |
| Qube Research & Technologies Ltd | Sold out | -465.5k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Reduced | -400.1k |
| TWO SIGMA ADVISERS, LP | Sold out | -311.4k |
| CITADEL ADVISORS LLC | Reduced | -301.3k |
| TUDOR INVESTMENT CORP ET AL | Reduced | -284.0k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $195.7m4.3m shares |
| JANE STREET GROUP, LLC | Reduced | $106.2m2.3m shares |
| CITADEL ADVISORS LLC | Added | $86.3m1.9m shares |
| GROUP ONE TRADING LLC | Reduced | $41.7m921.7k shares |
| TORONTO DOMINION BANK | Unchanged | $40.7m900.0k shares |
| D. E. Shaw & Co., Inc. | Reduced | $38.5m851.2k shares |
| IMC-Chicago, LLC | Reduced | $25.6m565.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $23.5m520.4k shares |
| Caption Management, LLC | Reduced | $15.1m335.0k shares |
| PEAK6 LLC | Reduced | $9.8m217.2k shares |
Biggest puts
| JANE STREET GROUP, LLC | Added | $104.5m2.3m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $104.0m2.3m shares |
| CITADEL ADVISORS LLC | Added | $56.4m1.2m shares |
| PEAK6 LLC | Reduced | $50.0m1.1m shares |
| GOLDMAN SACHS GROUP INC | Reduced | $31.4m694.2k shares |
| IMC-Chicago, LLC | Added | $20.7m456.8k shares |
| SIMPLEX TRADING, LLC | Added | $13.6m299.9k shares |
| Walleye Trading LLC | Reduced | $12.2m270.3k shares |
| GROUP ONE TRADING LLC | Reduced | $8.2m181.4k shares |
| WOLVERINE ASSET MANAGEMENT LLC | Reduced | $7.2m159.9k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| LEFKOFSKY ERIC P 13G · exempt (held before listing) -1.9 pts · filed 2026-02-10 | 24.0% |
| ARK Investment Management LLC 13G · institution new · filed 2026-03-06 | 5.4% |
Fell to 5% or below in the last year: BAILLIE GIFFORD & CO (5.0%, 2026-05-07), VANGUARD GROUP INC (0.0%, 2026-03-27)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 9 | $38.7m | $21.9m |
| Q1 2025 | 0 | — | 11 | $380.1m | $65.5m |
| Q2 2025 | 0 | — | 10 | $62.4m | $46.3m |
| Q3 2025 | 0 | — | 9 | $70.2m | $61.7m |
| Q4 2025 | 0 | — | 9 | $71.7m | $69.8m |
| Q1 2026 | 0 | — | 8 | $33.2m | $31.9m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-26 | LEFKOFSKY ERIC P CEO and Chairman, director · By Blue Media, LLC | Sold plan | $6.2m133.0k shares |
| 2026-03-26 | LEFKOFSKY ERIC P CEO and Chairman, director · By Gray Media, LLC | Sold plan | $1.5m33.2k shares |
| 2026-03-02 | Rogers James William Chief Financial Officer | Sold plan | $578.6k11.4k shares |
| 2026-03-02 | Epstein David R Director | Sold plan | $12.7k250 shares |
| 2026-02-20 | Polovin Andrew EVP, Chief Legal Officer | Sold plan | $660.3k10.9k shares |
| 2026-02-19 | LEFKOFSKY ERIC P CEO and Chairman, director · By Blue Media, LLC | Sold plan | $7.8m133.0k shares |
| 2026-02-19 | LEFKOFSKY ERIC P CEO and Chairman, director · By Gray Media, LLC | Sold plan | $2.0m33.2k shares |
| 2026-02-19 | LEFKOFSKY ERIC P CEO and Chairman, director | Sold plan | $802.3k13.6k shares |
| 2026-02-19 | Rogers James William Chief Financial Officer | Sold | $595.5k10.1k shares |
| 2026-02-19 | Fukushima Ryan Chief Executive Officer, Data | Sold | $566.4k9.6k shares |
| 2026-02-19 | Phelps Erik EVP, Chief Admin. Officer | Sold plan | $562.5k9.5k shares |
| 2026-02-19 | Polovin Andrew EVP, Chief Legal Officer | Sold plan | $480.8k8.1k shares |
| 2026-02-19 | Bartolucci Ryan M Chief Accounting Officer | Sold | $171.4k2.9k shares |
| 2026-02-02 | Epstein David R Director | Sold plan | $22.0k370 shares |
| 2026-01-28 | LEFKOFSKY ERIC P CEO and Chairman, director · By Blue Media, LLC | Sold plan | $8.7m133.0k shares |
| 2026-01-28 | LEFKOFSKY ERIC P CEO and Chairman, director · By Gray Media, LLC | Sold plan | $2.2m33.2k shares |
| 2026-01-05 | Fukushima Ryan Chief Operating Officer · By Spouse | Sold plan | $321.3k5.0k shares |
| 2026-01-02 | Doudna Jennifer A Director | Sold plan | $75.2k1.2k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| ARK Investment Management LLC 3.38% of their portfolio | 9.6m $434.5m | Added +2.1m |
| BlackRock, Inc. 0.01% of their portfolio | 9.0m $405.5m | Added +1.5m |
| BAILLIE GIFFORD & CO 0.40% of their portfolio | 8.6m $391.1m | Reduced -92.1k |
| GC Wealth Management RIA, LLC 12.37% of their portfolio | 6.6m $299.0m | Reduced -150.3k |
| SOFTBANK GROUP CORP. 2.14% of their portfolio | 5.4m $244.4m | Unchanged |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 4.9m $209.0m | Added +23.3k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 4.9m $222.4m | First filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.01% of their portfolio | 4.7m $211.6m | First filing |
| Sumitomo Mitsui Trust Group, Inc. 0.13% of their portfolio | 4.3m $195.6m | Added +821.5k |
| Amova Asset Management Americas, Inc. 2.77% of their portfolio | 4.3m $195.5m | Added +821.5k |
| UBS Group AG 0.03% of their portfolio | 3.2m $146.3m | Added +1.8m |
| FRANKLIN RESOURCES INC 0.03% of their portfolio | 2.6m $116.7m | Added +719.9k |
| MORGAN STANLEY 0.01% of their portfolio | 2.1m $94.2m | Added +41 |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 1.9m $87.8m | Added +69.7k |
| STATE STREET CORP 0.00% of their portfolio | 1.7m $76.4m | Added +73.4k |
| Alphabet Inc. 1.75% of their portfolio | 1.6m $70.1m | Unchanged |
| Lingotto Investment Management LLP 1.27% of their portfolio | 1.4m $64.0m | Added +272.2k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.3m $57.8m | Added +551.3k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.21% of their portfolio | 1.2m $53.1m | Reduced -400.1k |
| Clear Street Group Inc. 0.24% of their portfolio | 955.6k $43.2m | Added +232.2k |
| BAMCO INC /NY/ 0.12% of their portfolio | 899.3k $40.7m | Added +543.8k |
| Marex Group Ltd 0.39% of their portfolio | 821.3k $37.1m | Added +141.5k |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 799.4k $36.1m | Reduced -792.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 780.4k $35.3m | Added +37.1k |
| Legal & General Group Plc 0.01% of their portfolio | 771.4k $34.9m | Added +213.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 762.1k $34.5m | Added +190.3k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.02% of their portfolio | 725.1k $32.8m | Added +718.7k |
| BARCLAYS PLC 0.01% of their portfolio | 669.7k $30.3m | Added +523.9k |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 668.9k $30.2m | Added +444.1k |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 654.3k $29.6m | First filing |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 601.3k $27.2m | Reduced -301.3k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 514.0k $23.2m | Added +81.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 500.5k $22.6m | Added +21.1k |
| MARSHALL WACE, LLP 0.02% of their portfolio | 496.5k $22.5m | Reduced -242.1k |
| Ilex Capital Partners (UK) LLP 0.51% of their portfolio | 454.2k $20.5m | New |
| Patient Capital Management, LLC 0.75% of their portfolio | 442.2k $20.0m | Added +60.1k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 414.8k $18.8m | Reduced -725.7k |
| Invesco Ltd. 0.00% of their portfolio | 389.7k $17.6m | Added +18.0k |
| GILDER GAGNON HOWE & CO LLC 0.21% of their portfolio | 384.5k $17.4m | Reduced -192.2k |
| Trexquant Investment LP 0.12% of their portfolio | 376.0k $17.0m | Reduced -131.9k |
| Freestone Grove Partners LP 0.12% of their portfolio | 375.9k $17.0m | New |
| KADENSA CAPITAL Ltd 2.33% of their portfolio | 370.9k $16.8m | Added +5.9k |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd 1.16% of their portfolio | 336.5k $15.2m | Added +72.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 328.2k $14.8m | Added +14.8k |
| SG Americas Securities, LLC 0.02% of their portfolio | 324.1k $14.7m | Reduced -48.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 299.2k $13.5m | Reduced -1.4k |
| PEAK6 LLC 0.39% of their portfolio | 294.7k $13.3m | Added +35.4k |
| Casdin Capital, LLC 1.01% of their portfolio | 294.1k $13.3m | Unchanged |
| Nuveen, LLC 0.00% of their portfolio | 292.8k $13.2m | Added +44.6k |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 290.2k $13.1m | Reduced -230.8k |
| Mitsubishi UFJ Trust & Banking Corp 0.03% of their portfolio | 260.1k $11.8m | New |
| CWM, LLC 0.03% of their portfolio | 259.8k $11.7m | Added +65.6k |
| Eagle Health Investments LP 2.43% of their portfolio | 256.3k $11.6m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 244.6k $11.1m | Reduced -612.1k |
| LPL Financial LLC 0.00% of their portfolio | 237.9k $10.8m | Reduced -3.6k |
| CAPITAL FUND MANAGEMENT S.A. 0.09% of their portfolio | 220.3k $10.0m | Reduced -166.3k |
| Vestmark Advisory Solutions, Inc. 0.09% of their portfolio | 189.2k $8.6m | Added +31.1k |
| Swiss National Bank 0.00% of their portfolio | 183.5k $8.3m | Added +600 |
| CAPTRUST FINANCIAL ADVISORS 0.01% of their portfolio | 175.1k $7.9m | Added +6.0k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 166.1k $7.5m | Added +48.7k |
| ARES MANAGEMENT LLC 0.49% of their portfolio | 164.4k $7.4m | Unchanged |
| Blue Water Life Science Advisors, LP 5.67% of their portfolio | 156.4k $7.1m | Added +70.0k |
| Aberdeen Group plc 0.01% of their portfolio | 153.4k $6.9m | Reduced -109.6k |
| EXCHANGE TRADED CONCEPTS, LLC 0.05% of their portfolio | 141.0k $6.4m | Added +35.0k |
| Aristotle Atlantic Partners, LLC 0.29% of their portfolio | 136.6k $6.2m | New |
| Walleye Trading LLC 0.13% of their portfolio | 135.3k $6.1m | Added +12.4k |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.04% of their portfolio | 125.6k $5.7m | Added +4.1k |
| CITIGROUP INC 0.00% of their portfolio | 122.2k $5.5m | Added +74.5k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.00% of their portfolio | 118.4k $5.4m | Reduced -266.1k |
| Kohlberg Kravis Roberts & Co. L.P. 0.10% of their portfolio | 117.7k $5.3m | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 109.6k $5.0m | Reduced -63.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 107.7k $4.9m | Added +20.2k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 107.0k $4.8m | Added +7.7k |
| Vontobel Holding Ltd. 0.02% of their portfolio | 100.5k $4.5m | New |
| Mirae Asset Global Investments Co., Ltd. 0.01% of their portfolio | 99.9k $4.5m | Reduced -5.4k |
| DIVERSIFY WEALTH MANAGEMENT, LLC 0.09% of their portfolio | 95.9k $4.8m | Added +44.4k |
| Summit Financial, LLC 0.05% of their portfolio | 94.6k $4.3m | Added +3.9k |
| Bank Julius Baer & Co. Ltd, Zurich 0.01% of their portfolio | 93.6k $4.0m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 91.5k $4.1m | Reduced -126.4k |
| DLD Asset Management, LP 0.41% of their portfolio | 90.1k $4.1m | Reduced -170 |
| Avidity Partners Management LP 0.51% of their portfolio | 90.0k $4.7m | New |
| BLAIR WILLIAM & CO/IL 0.01% of their portfolio | 88.3k $4.0m | Added +7.1k |
| TORONTO DOMINION BANK 0.01% of their portfolio | 87.5k $4.0m | Added +24.0k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 85.2k $3.9m | Reduced -1.1m |
| Walleye Capital LLC 0.02% of their portfolio | 84.3k $3.8m | Reduced -86.4k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 82.8k $3.7m | First filing |
| VAN ECK ASSOCIATES CORP 0.00% of their portfolio | 82.8k $3.7m | Added +13.3k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.01% of their portfolio | 81.5k $3.7m | Added +52.1k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio | 80.4k $3.6m | Added +6.3k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 80.0k $3.6m | Unchanged |
| ALLEN OPERATIONS LLC 0.52% of their portfolio | 76.6k $3.5m | Unchanged |
| Baker Avenue Asset Management, LP 0.08% of their portfolio | 75.9k $3.4m | Added +35.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 75.1k $3.4m | Added +29.7k |
| IMC-Chicago, LLC 0.05% of their portfolio | 75.1k $3.4m | New |
| Janney Montgomery Scott LLC 0.01% of their portfolio | 65.0k $2.9m | Added +46.8k |
| Brevan Howard Capital Management LP 0.03% of their portfolio | 61.0k $2.8m | Added +10.9k |
| Pictet Asset Management Holding SA 0.00% of their portfolio | 60.5k $2.6m | Added +12.0k |
| Washington Trust Advisors, Inc. 0.22% of their portfolio | 59.8k $2.7m | New |
| TITLEIST ASSET MANAGEMENT, LLC 0.20% of their portfolio | 59.6k $2.7m | Reduced -11.0k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 57.1k $2.6m | Reduced -834 |