MANNKIND CORP MNKD
COM NEW · Common Stock · CUSIP 56400P706 · ISIN US56400P7069
Biopharmaceutical company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersDanbury, CT
- Founded1991
- Websitemannkindcorp.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 ($557.5k this quarter). Holder counts are more reliable. Shares outstanding: 303.9m as of 2025-04-25, 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 ≈ $5.03. Options: 10 managers hold calls ($9.0m notional), 8 hold puts ($1.6m).
Trends to Q1 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 176 |
| Q4 2022 | 191 |
| Q1 2023 | 188 |
| Q2 2023 | 186 |
| Q3 2023 | 196 |
| Q4 2023 | 201 |
| Q1 2024 | 204 |
| Q2 2024 | 211 |
| Q3 2024 | 232 |
| Q4 2024 | 244 |
| Q1 2025 | 258 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2023 | 70 | 80 |
| Q3 2023 | 85 | 67 |
| Q4 2023 | 85 | 71 |
| Q1 2024 | 93 | 92 |
| Q2 2024 | 95 | 85 |
| Q3 2024 | 118 | 69 |
| Q4 2024 | 123 | 76 |
| Q1 2025 | 119 | 97 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2024 | $13.5m | $9.2m | 0.68 |
| Q3 2024 | $17.0m | $10.6m | 0.63 |
| Q4 2024 | $20.3m | $11.7m | 0.58 |
| Q1 2025 | $9.0m | $1.6m | 0.17 |
Biggest buyers
| UBS Group AG | Added | +3.3m |
| MILLENNIUM MANAGEMENT LLC | Added | +2.4m |
| Qube Research & Technologies Ltd | Added | +1.7m |
| VANGUARD GROUP INC | Added | +1.3m |
| Squarepoint Ops LLC | Added | +868.6k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +668.1k |
| TWO SIGMA ADVISERS, LP | Added | +643.0k |
| JPMORGAN CHASE & CO | Added | +619.3k |
| Trexquant Investment LP | Added | +619.0k |
| WELLS FARGO & COMPANY/MN | Added | +600.0k |
Biggest sellers
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -2.2m |
| Graham Capital Management, L.P. | Reduced | -1.5m |
| Nitorum Capital, L.P. | Reduced | -961.6k |
| MARSHALL WACE, LLP | Reduced | -835.4k |
| GOLDMAN SACHS GROUP INC | Reduced | -780.9k |
| SCOPIA CAPITAL MANAGEMENT LP | Sold out | -695.0k |
| Parkman Healthcare Partners LLC | Reduced | -632.9k |
| FEDERATED HERMES, INC. | Reduced | -612.0k |
| STATE STREET CORP | Reduced | -477.8k |
| MORGAN STANLEY | Reduced | -437.6k |
Biggest calls
| DIADEMA PARTNERS LP | New | $2.6m519.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.4m485.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.2m229.9k shares |
| GROUP ONE TRADING LLC | Reduced | $919.0k182.7k shares |
| WOLVERINE TRADING, LLC | Added | $667.0k132.6k shares |
| JANE STREET GROUP, LLC | Added | $447.2k88.9k shares |
| Hudson Bay Capital Management LP | New | $377.2k75.0k shares |
| CITADEL ADVISORS LLC | Reduced | $321.9k64.0k shares |
| Persistent Asset Partners Ltd | New | $53.9k1.2k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $562.4k111.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $542.7k107.9k shares |
| SIMPLEX TRADING, LLC | Reduced | $267.0k53.1k shares |
| GROUP ONE TRADING LLC | Reduced | $59.9k11.9k shares |
| JANE STREET GROUP, LLC | Reduced | $53.3k10.6k shares |
| WOLVERINE TRADING, LLC | Reduced | $51.3k10.2k shares |
| Quaker Wealth Management, LLC | First filing | $35.2k7.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 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 |
|---|---|
| STATE STREET CORP 13G · institution new · filed 2026-05-12 | 6.1% |
| Rubric Capital Management LP 13G · institution new · filed 2026-08-14 | 5.8% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.0% |
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 Q1 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 |
|---|---|---|---|---|---|
| Q2 2023 | 0 | — | 3 | $2.2m | $767.0k |
| Q3 2023 | 0 | — | 2 | $170.9k | $124.8k |
| Q4 2023 | 0 | — | 1 | $885.2k | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 2 | $259.3k | $259.3k |
| Q3 2024 | 0 | — | 4 | $1.3m | $760.9k |
| Q4 2024 | 0 | — | 2 | $1.3m | $1.3m |
| Q1 2025 | 0 | — | 0 | — | — |
None reported in Q1 2025.
Holders, Q1 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 24.5m $123.2m | Added +493.4k |
| VANGUARD GROUP INC 0.00% of their portfolio | 17.3m $87.1m | Added +1.3m |
| STATE STREET CORP 0.00% of their portfolio | 9.5m $47.6m | Reduced -477.8k |
| Avoro Capital Advisors LLC 0.69% of their portfolio | 8.8m $44.0m | Unchanged |
| Nitorum Capital, L.P. 5.50% of their portfolio | 7.8m $39.2m | Reduced -961.6k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 6.8m $34.1m | Added +411.8k |
| UBS Group AG 0.01% of their portfolio | 6.6m $33.0m | Added +3.3m |
| MILLENNIUM MANAGEMENT LLC 0.03% of their portfolio | 5.8m $29.3m | Added +2.4m |
| FMR LLC 0.00% of their portfolio | 4.3m $21.4m | Reduced -215.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 3.9m $19.6m | Added +537.9k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 3.8m $19.3m | Reduced -431.4k |
| TWO SIGMA ADVISERS, LP 0.04% of their portfolio | 3.7m $18.8m | Added +643.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 3.5m $17.7m | Added +567.1k |
| Nuveen, LLC 0.01% of their portfolio | 3.4m $17.0m | First filing |
| TWO SIGMA INVESTMENTS, LP 0.04% of their portfolio | 3.4m $16.9m | Added +184.5k |
| Qube Research & Technologies Ltd 0.03% of their portfolio | 3.2m $16.3m | Added +1.7m |
| TSP Capital Management Group, LLC 4.60% of their portfolio | 2.8m $14.0m | Added +261.6k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 2.7m $13.7m | Reduced -2.2m |
| NORTHERN TRUST CORP 0.00% of their portfolio | 2.7m $13.6m | Reduced -78.0k |
| Parkman Healthcare Partners LLC 1.49% of their portfolio | 2.5m $12.5m | Reduced -632.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 2.2m $11.2m | Reduced -38.9k |
| 180 WEALTH ADVISORS, LLC 1.76% of their portfolio | 2.2m $11.0m | Added +89.0k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.04% of their portfolio | 2.0m $10.2m | Added +110.9k |
| Connor, Clark & Lunn Investment Management Ltd. 0.04% of their portfolio | 1.8m $8.9m | Reduced -126.8k |
| MORGAN STANLEY 0.00% of their portfolio | 1.7m $8.8m | Reduced -437.6k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 1.6m $8.3m | Added +668.1k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 1.5m $7.7m | Added +600.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 1.5m $7.5m | Added +35.9k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.5m $7.4m | Reduced -780.9k |
| Invesco Ltd. 0.00% of their portfolio | 1.4m $6.9m | Added +145.0k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 1.3m $6.7m | Reduced -612.0k |
| Squarepoint Ops LLC 0.02% of their portfolio | 1.3m $6.6m | Added +868.6k |
| OBERWEIS ASSET MANAGEMENT INC/ 0.24% of their portfolio | 968.4k $4.9m | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 947.2k $4.8m | Added +619.3k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 917.5k $4.6m | Added +400.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 916.2k $4.6m | First filing |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 856.1k $4.3m | Reduced -210.7k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 807.9k $4.1m | Reduced -55.8k |
| ExodusPoint Capital Management, LP 0.05% of their portfolio | 794.2k $4.0m | Added +349.6k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 774.3k $3.9m | Reduced -68.2k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 770.9k $3.9m | Reduced -18.9k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 765.5k $3.9m | Reduced -11.8k |
| Stenham Asset Management Ltd 1.53% of their portfolio | 748.7k $3.8m | First filing |
| Trexquant Investment LP 0.04% of their portfolio | 702.2k $3.5m | Added +619.0k |
| Eversept Partners, LP 0.40% of their portfolio | 697.7k $3.5m | Reduced -213.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 670.9k $3.4m | Added +53.2k |
| Apollo Management Holdings, L.P. 0.08% of their portfolio | 664.1k $3.3m | Unchanged |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 662.8k $3.3m | Added +8.2k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 637.3k $3.2m | Reduced -34.8k |
| Man Group plc 0.01% of their portfolio | 630.3k $3.2m | Added +52.0k |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 629.4k $3.2m | Added +306.3k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 541.9k $2.7m | Added +29.4k |
| Swiss National Bank 0.00% of their portfolio | 534.3k $2.7m | Reduced -6.6k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.12% of their portfolio | 526.5k $2.6m | Added +491.6k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 482.7k $2.4m | Reduced -27.1k |
| 1492 Capital Management LLC 1.29% of their portfolio | 477.2k $2.4m | Reduced -6.4k |
| BARCLAYS PLC 0.00% of their portfolio | 447.9k $2.3m | Reduced -104.2k |
| CITIGROUP INC 0.00% of their portfolio | 427.5k $2.2m | Added +67.1k |
| Manatuck Hill Partners, LLC 0.99% of their portfolio | 425.0k $2.1m | Added +125.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 399.0k $2.0m | Added +16.8k |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 380.6k $1.9m | Added +143.0k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 357.2k $1.8m | Added +137.8k |
| Jump Financial, LLC 0.03% of their portfolio | 346.8k $1.7m | Added +25.8k |
| Legal & General Group Plc 0.00% of their portfolio | 331.6k $1.7m | Reduced -5.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 331.0k $1.7m | Reduced -181.9k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 274.6k $1.4m | Unchanged |
| DANSKE BANK A/S 0.00% of their portfolio | 272.5k $1.4m | Added +24.0k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 263.9k $1.3m | Reduced -47.6k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 259.9k $1.3m | Added +246.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 256.7k $1.3m | Unchanged |
| Hennion & Walsh Asset Management, Inc. 0.05% of their portfolio | 235.9k $1.2m | Reduced -6.1k |
| ALPS ADVISORS INC 0.01% of their portfolio | 220.0k $1.1m | Reduced -3.0k |
| Mariner, LLC 0.00% of their portfolio | 219.6k $1.1m | Reduced -43.7k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 210.6k $1.1m | Added +6.1k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 209.2k $1.1m | Reduced -48.3k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.02% of their portfolio | 208.2k $1.0m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 201.3k $1.0m | Added +26.3k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 200.4k $1.0m | Added +15.9k |
| Bruce & Co., Inc. 0.31% of their portfolio | 195.1k $981.2k | Unchanged |
| Aaron Wealth Advisors LLC 0.10% of their portfolio | 175.8k $884.1k | Reduced -1.2k |
| Carrera Capital Advisors 0.19% of their portfolio | 167.4k $842.0k | Added +8.2k |
| INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 166.4k $837.0k | Added +40.6k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 160.0k $804.9k | Unchanged |
| MetLife Investment Management, LLC 0.00% of their portfolio | 158.9k $799.1k | Added +395 |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 157.4k $791.9k | Reduced -264.2k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 138.8k $698.2k | Added +4.2k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 136.4k $686.0k | Unchanged |
| Corebridge Financial, Inc. 0.00% of their portfolio | 131.9k $663.6k | Reduced -2.0k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 127.8k $643.3k | Unchanged |
| MACKENZIE FINANCIAL CORP 0.00% of their portfolio | 117.6k $591.7k | Reduced -123.0k |
| Creative Planning 0.00% of their portfolio | 114.0k $573.6k | Reduced -5.3k |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 106.1k $533.7k | Added +27.7k |
| HRT FINANCIAL LP 0.00% of their portfolio | 103.7k $521.0k | New |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 99.4k $502.0k | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 99.4k $500.0k | Added +11.2k |
| Palumbo Wealth Management LLC 0.16% of their portfolio | 97.5k $490.5k | Added +21.9k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 97.1k $488.3k | Added +15.0k |
| Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio | 94.1k $473.2k | Added +54.3k |
| SG Americas Securities, LLC 0.00% of their portfolio | 91.5k $460.0k | Added +63.2k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 91.3k $459.3k | Reduced -835.4k |