VIKING THERAPEUTICS INC VKTX
COM · Common Stock · CUSIP 92686J106 · ISIN US92686J1060
Company in San Diego, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersSan Diego, CA
- Founded2012
- Websitevikingtherapeutics.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 ($4.1m this quarter). Holder counts are more reliable. Shares outstanding: 112.4m as of 2025-07-15, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $26.50. Options: 31 managers hold calls ($231.2m notional), 17 hold puts ($98.9m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 107 |
| Q4 2022 | 129 |
| Q1 2023 | 186 |
| Q2 2023 | 194 |
| Q3 2023 | 180 |
| Q4 2023 | 199 |
| Q1 2024 | 375 |
| Q2 2024 | 389 |
| Q3 2024 | 423 |
| Q4 2024 | 408 |
| Q1 2025 | 374 |
| Q2 2025 | 393 |
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 2023 | 93 | 91 |
| Q4 2023 | 105 | 83 |
| Q1 2024 | 273 | 111 |
| Q2 2024 | 253 | 172 |
| Q3 2024 | 267 | 158 |
| Q4 2024 | 208 | 213 |
| Q1 2025 | 222 | 197 |
| Q2 2025 | 227 | 168 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $487.2m | $252.0m | 0.52 |
| Q4 2024 | $296.2m | $164.5m | 0.56 |
| Q1 2025 | $222.1m | $96.0m | 0.43 |
| Q2 2025 | $231.2m | $98.9m | 0.43 |
Biggest buyers
| TWO SIGMA INVESTMENTS, LP | Added | +1.3m |
| TWO SIGMA ADVISERS, LP | New | +1.1m |
| ROYAL BANK OF CANADA | Added | +875.7k |
| MILLENNIUM MANAGEMENT LLC | Added | +689.3k |
| CITIGROUP INC | Added | +623.3k |
| Cubist Systematic Strategies, LLC | New | +596.6k |
| Duquesne Family Office LLC | New | +549.3k |
| JANE STREET GROUP, LLC | Added | +545.5k |
| Jump Financial, LLC | New | +460.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | +389.8k |
Biggest sellers
| Balyasny Asset Management L.P. | Sold out | -1.6m |
| FMR LLC | Reduced | -1.4m |
| ALLIANCEBERNSTEIN L.P. | Reduced | -1.0m |
| CITADEL ADVISORS LLC | Reduced | -778.1k |
| BlackRock, Inc. | Reduced | -539.0k |
| JPMORGAN CHASE & CO | Reduced | -487.4k |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -402.1k |
| Squarepoint Ops LLC | Reduced | -383.6k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -336.7k |
| NATIONAL BANK OF CANADA /FI/ | Reduced | -319.4k |
Biggest calls
| Balyasny Asset Management L.P. | Reduced | $62.8m2.4m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $47.6m1.8m shares |
| CITADEL ADVISORS LLC | Reduced | $29.1m1.1m shares |
| GROUP ONE TRADING LLC | Added | $14.1m532.1k shares |
| JANE STREET GROUP, LLC | Reduced | $13.4m506.3k shares |
| Ikarian Capital, LLC | Added | $9.3m350.0k shares |
| SIMPLEX TRADING, LLC | Added | $9.0m341.3k shares |
| Walleye Trading LLC | Added | $8.8m330.2k shares |
| Integral Health Asset Management, LLC | Unchanged | $5.3m200.0k shares |
| Caption Management, LLC | Reduced | $5.0m190.1k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $48.9m1.8m shares |
| CITADEL ADVISORS LLC | Reduced | $21.0m790.6k shares |
| SIMPLEX TRADING, LLC | Added | $4.5m171.1k shares |
| Walleye Trading LLC | Added | $3.8m142.7k shares |
| Parallax Volatility Advisers, L.P. | Reduced | $3.1m116.8k shares |
| WOLVERINE TRADING, LLC | Reduced | $2.9m109.0k shares |
| GROUP ONE TRADING LLC | Added | $2.9m108.4k shares |
| PEAK6 LLC | Added | $2.6m100.0k shares |
| JANE STREET GROUP, LLC | Reduced | $2.5m93.6k shares |
| Squarepoint Ops LLC | Reduced | $1.4m54.2k 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 |
|---|---|
| FMR LLC 13G · institution -3.6 pts · filed 2025-11-05 | 5.1% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
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 |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 3 | $13.2m | $12.9m |
| Q2 2024 | 0 | — | 2 | $27.1m | $27.1m |
| Q3 2024 | 0 | — | 4 | $34.7m | $26.1m |
| Q4 2024 | 0 | — | 4 | $12.4m | $12.3m |
| Q1 2025 | 1 | $29.9k | 3 | $12.8m | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.00% of their portfolio | 10.2m $269.3m | Reduced -1.6k |
| FMR LLC 0.01% of their portfolio | 9.8m $260.3m | Reduced -1.4m |
| BlackRock, Inc. 0.00% of their portfolio | 5.4m $144.1m | Reduced -539.0k |
| STATE STREET CORP 0.00% of their portfolio | 3.8m $100.1m | Reduced -279.7k |
| MORGAN STANLEY 0.01% of their portfolio | 3.2m $86.1m | Added +127.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 2.6m $69.9m | Reduced -487.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.08% of their portfolio | 2.1m $54.8m | Added +389.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.9m $51.0m | Reduced -61.1k |
| Pictet Asset Management Holding SA 0.05% of their portfolio | 1.9m $50.8m | Reduced -4.6k |
| NORGES BANK 0.01% of their portfolio | 1.8m $46.8m | Added +222.2k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 1.5m $39.1m | Added +58.2k |
| BRAIDWELL LP 1.30% of their portfolio | 1.4m $38.1m | Added +1.6k |
| TWO SIGMA INVESTMENTS, LP 0.06% of their portfolio | 1.3m $34.8m | Added +1.3m |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.2m $32.4m | Added +875.7k |
| TWO SIGMA ADVISERS, LP 0.06% of their portfolio | 1.1m $28.9m | New |
| UBS Group AG 0.01% of their portfolio | 951.5k $25.2m | Added +354.9k |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 941.9k $25.0m | Added +689.3k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 873.0k $23.1m | Reduced -778.1k |
| CITIGROUP INC 0.02% of their portfolio | 864.1k $22.9m | Added +623.3k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 822.3k $21.8m | Added +174.9k |
| JANE STREET GROUP, LLC 0.03% of their portfolio | 732.2k $19.4m | Added +545.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 727.4k $19.3m | Added +15.5k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.16% of their portfolio | 638.2k $16.9m | Added +220.4k |
| Clearbridge Investments, LLC 0.01% of their portfolio | 631.4k $16.7m | Reduced -607 |
| Cubist Systematic Strategies, LLC 0.17% of their portfolio | 596.6k $15.8m | New |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 565.1k $15.0m | Reduced -33.1k |
| Duquesne Family Office LLC 0.37% of their portfolio | 549.3k $14.6m | New |
| NORTHERN TRUST CORP 0.00% of their portfolio | 543.1k $14.4m | Added +4.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 524.8k $13.9m | Added +163.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 509.1k $13.5m | Added +39.1k |
| Jump Financial, LLC 0.15% of their portfolio | 460.4k $12.2m | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.04% of their portfolio | 447.2k $11.9m | Reduced -150.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 442.7k $11.7m | Reduced -75.6k |
| PERCEPTIVE ADVISORS LLC 0.38% of their portfolio | 380.7k $10.1m | Reduced -128.3k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 376.4k $10.0m | Added +23.0k |
| TANG CAPITAL MANAGEMENT LLC 0.50% of their portfolio | 370.0k $9.8m | Added +100.0k |
| BlackBarn Capital Partners LP 3.07% of their portfolio | 350.0k $9.3m | New |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 330.7k $8.8m | Reduced -402.1k |
| MACQUARIE GROUP LTD 0.01% of their portfolio | 330.1k $8.7m | Unchanged |
| BLAIR WILLIAM & CO/IL 0.02% of their portfolio | 330.0k $8.7m | Added +21.4k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio | 319.3k $8.5m | Added +150.5k |
| Granahan Investment Management, LLC 0.33% of their portfolio | 305.1k $8.1m | Reduced -62.9k |
| Woodline Partners LP 0.04% of their portfolio | 301.2k $8.0m | Added +119 |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 299.0k $7.9m | Added +1.3k |
| Fiera Capital Corp 0.03% of their portfolio | 279.2k $7.4m | Added +3.3k |
| Steward Partners Investment Advisory, LLC 0.06% of their portfolio | 270.4k $7.2m | Added +32.4k |
| Quinn Opportunity Partners LLC 0.61% of their portfolio | 267.8k $7.1m | Added +24.0k |
| WASATCH ADVISORS LP 0.04% of their portfolio | 262.0k $6.9m | Added +4.6k |
| 683 Capital Management, LLC 0.68% of their portfolio | 254.0k $6.7m | Reduced -51.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 236.1k $6.3m | New |
| BARCLAYS PLC 0.00% of their portfolio | 231.2k $6.1m | Reduced -214.5k |
| Trexquant Investment LP 0.06% of their portfolio | 210.4k $5.6m | New |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 205.5k $5.4m | Reduced -120.8k |
| Swiss National Bank 0.00% of their portfolio | 203.7k $5.4m | Added +9.4k |
| DIADEMA PARTNERS LP 3.25% of their portfolio | 197.5k $5.2m | Added +93.3k |
| Nuveen, LLC 0.00% of their portfolio | 191.9k $5.1m | Reduced -192.5k |
| 5AM Venture Management, LLC 1.93% of their portfolio | 189.6k $5.0m | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 177.1k $4.7m | Added +81.6k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 168.0k $4.5m | Reduced -336.7k |
| Aquatic Capital Management LLC 0.09% of their portfolio | 163.7k $4.3m | Added +85.3k |
| OPPENHEIMER & CO INC 0.06% of their portfolio | 158.2k $4.2m | Added +13.7k |
| Cetera Investment Advisers 0.01% of their portfolio | 157.6k $4.2m | Added +13.3k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 157.5k $4.2m | Reduced -26.3k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 153.4k $4.1m | Added +14.1k |
| GROUP ONE TRADING LLC 0.13% of their portfolio | 149.2k $4.0m | Added +26.5k |
| LPL Financial LLC 0.00% of their portfolio | 138.4k $3.7m | Added +19.8k |
| California Public Employees Retirement System 0.00% of their portfolio | 135.4k $3.6m | Added +11.3k |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 133.4k $3.5m | Added +96.5k |
| Kintayl Capital LP 2.15% of their portfolio | 129.6k $3.4m | Added +29.6k |
| BAMCO INC /NY/ 0.01% of their portfolio | 126.7k $3.4m | Reduced -275.5k |
| Legal & General Group Plc 0.00% of their portfolio | 123.3k $3.3m | Added +6.2k |
| Weiss Asset Management LP 0.05% of their portfolio | 121.8k $3.2m | Not comparable |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 118.9k $3.2m | Unchanged |
| Profit Investment Management, LLC 2.79% of their portfolio | 116.9k $3.1m | Reduced -917 |
| Apis Capital Advisors, LLC 1.10% of their portfolio | 116.5k $3.1m | Added +4.5k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 114.5k $3.0m | Reduced -14.7k |
| First Washington CORP 0.91% of their portfolio | 106.5k $2.8m | Unchanged |
| SIMPLEX TRADING, LLC 0.07% of their portfolio | 103.8k $2.8m | Reduced -18.9k |
| HARBOR CAPITAL ADVISORS, INC. 0.12% of their portfolio | 103.5k $2.7m | Reduced -11.6k |
| Ikarian Capital, LLC 0.88% of their portfolio | 100.0k $2.7m | Added +50.0k |
| Artia Global Partners LP 0.66% of their portfolio | 96.5k $2.6m | Added +6.2k |
| Invesco Ltd. 0.00% of their portfolio | 96.0k $2.5m | Added +11.0k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 95.8k $2.5m | Reduced -2.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 92.8k $2.5m | Added +569 |
| HRT FINANCIAL LP 0.01% of their portfolio | 90.9k $2.4m | Added +39.0k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 90.8k $2.4m | Added +430 |
| Institute for Wealth Management, LLC. 0.27% of their portfolio | 90.4k $2.4m | Added +40 |
| Quantum Private Wealth, LLC 0.74% of their portfolio | 86.7k $2.3m | Added +200 |
| CANTOR FITZGERALD, L. P. 0.06% of their portfolio | 86.7k $2.3m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 86.3k $2.3m | Reduced -17.4k |
| Rhenman & Partners Asset Management AB 0.28% of their portfolio | 85.0k $2.3m | Reduced -15.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 78.2k $2.1m | Added +8.1k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 75.7k $2.0m | Reduced -4.4k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 73.3k $1.9m | Added +25.1k |
| Allianz Asset Management GmbH 0.00% of their portfolio | 72.0k $1.9m | Reduced -24.4k |
| Tejara Capital Ltd 0.84% of their portfolio | 68.0k $1.8m | Added +30.1k |
| State of New Jersey Common Pension Fund D 0.01% of their portfolio | 67.9k $1.8m | Added +1.7k |
| ADAR1 Capital Management, LLC 0.29% of their portfolio | 67.8k $1.8m | Added +8.4k |
| RFG Advisory, LLC 0.04% of their portfolio | 65.0k $1.7m | Added +25.4k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 64.7k $1.7m | Reduced -80.4k |