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. Holder counts are more reliable. Shares outstanding: 269.6m as of 2023-10-27, 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 ≈ $3.64. Options: 9 managers hold calls ($3.4m notional), 10 hold puts ($3.7m).
Trends to Q4 2023
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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 95 | 66 |
| Q1 2023 | 79 | 74 |
| Q2 2023 | 70 | 80 |
| Q3 2023 | 85 | 67 |
| Q4 2023 | 85 | 71 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2023 | $5.1m | $2.3m | 0.45 |
| Q2 2023 | $3.8m | $2.5m | 0.66 |
| Q3 2023 | $6.4m | $3.0m | 0.47 |
| Q4 2023 | $3.4m | $3.7m | 1.06 |
Biggest buyers
| BlackRock Inc. | Added | +1.8m |
| MORGAN STANLEY | Added | +1.4m |
| STATE STREET CORP | Added | +723.8k |
| VANGUARD GROUP INC | Added | +598.9k |
| FIRST TRUST ADVISORS LP | Added | +456.1k |
| Parkman Healthcare Partners LLC | Added | +429.7k |
| UBS Group AG | Added | +386.9k |
| Nitorum Capital, L.P. | Added | +360.6k |
| WELLINGTON MANAGEMENT GROUP LLP | New | +350.4k |
| Nuveen Asset Management, LLC | Added | +347.2k |
Biggest sellers
| MILLENNIUM MANAGEMENT LLC | Reduced | -3.1m |
| EMERALD ADVISERS, LLC | Reduced | -1.7m |
| EMERALD MUTUAL FUND ADVISERS TRUST | Reduced | -1.4m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -1.3m |
| MARSHALL WACE, LLP | Reduced | -1.3m |
| D. E. Shaw & Co., Inc. | Reduced | -1.2m |
| CITADEL ADVISORS LLC | Reduced | -823.1k |
| Cubist Systematic Strategies, LLC | Reduced | -594.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold out | -578.1k |
| TWO SIGMA ADVISERS, LP | Reduced | -536.5k |
Biggest calls
| GROUP ONE TRADING LLC | Reduced | $1.5m418.1k shares |
| SIMPLEX TRADING, LLC | Added | $702.0k192.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $641.0k176.1k shares |
| WOLVERINE TRADING, LLC | Added | $172.9k47.5k shares |
| CITADEL ADVISORS LLC | Reduced | $160.5k44.1k shares |
| GTS SECURITIES LLC | Reduced | $96.5k26.5k shares |
| Pale Fire Capital SE | Added | $91.0k25.0k shares |
| JANE STREET GROUP, LLC | Reduced | $53.1k14.6k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| GROUP ONE TRADING LLC | Added | $869.6k238.9k shares |
| GTS SECURITIES LLC | Added | $749.1k205.8k shares |
| CITADEL ADVISORS LLC | Added | $644.6k177.1k shares |
| WOLVERINE ASSET MANAGEMENT LLC | Unchanged | $581.3k159.7k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $400.4k110.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $310.0k85.2k shares |
| WOLVERINE TRADING, LLC | Reduced | $49.1k13.5k shares |
| JANE STREET GROUP, LLC | Reduced | $43.0k11.8k shares |
| BANK OF MONTREAL /CAN/ | New | $4.4k1.2k 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 Q4 2023
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 |
|---|---|---|---|---|---|
| Q1 2022 | 6 | $608.4k | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 2 | $43.5k | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 1 | $52.7k | — |
| Q2 2023 | 0 | — | 3 | $2.2m | $767.0k |
| Q3 2023 | 0 | — | 2 | $170.9k | $124.8k |
| Q4 2023 | 0 | — | 1 | $885.2k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-12-15 | Castagna Michael Chief Executive Officer, director | Sold | $361.9k90.5k shares |
| 2023-12-14 | Castagna Michael Chief Executive Officer, director | Sold | $440.0k110.0k shares |
| 2023-11-01 | Castagna Michael Chief Executive Officer, director | Sold | $42.5k10.0k shares |
| 2023-10-02 | Castagna Michael Chief Executive Officer, director | Sold | $40.8k10.0k 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, Q4 2023
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 22.3m $81.2m | Added +1.8m |
| VANGUARD GROUP INC 0.00% of their portfolio | 15.2m $55.5m | Added +598.9k |
| STATE STREET CORP 0.00% of their portfolio | 12.9m $47.1m | Added +723.8k |
| Nitorum Capital, L.P. 4.22% of their portfolio | 10.8m $39.4m | Added +360.6k |
| Avoro Capital Advisors LLC 0.45% of their portfolio | 9.0m $32.8m | Unchanged |
| FMR LLC 0.00% of their portfolio | 5.9m $21.6m | Reduced -517.7k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 5.8m $21.3m | Added +327.8k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 3.0m $11.1m | Added +336.3k |
| D. E. Shaw & Co., Inc. 0.02% of their portfolio | 3.0m $10.9m | Reduced -1.2m |
| NORTHERN TRUST CORP 0.00% of their portfolio | 2.6m $9.6m | Added +94.5k |
| Parkman Healthcare Partners LLC 1.29% of their portfolio | 2.5m $9.1m | Added +429.7k |
| MORGAN STANLEY 0.00% of their portfolio | 2.3m $8.3m | Added +1.4m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 2.1m $7.5m | Added +30.4k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 1.9m $7.1m | Reduced -1.3m |
| Invesco Ltd. 0.00% of their portfolio | 1.8m $6.4m | Added +146.6k |
| 180 WEALTH ADVISORS, LLC 1.35% of their portfolio | 1.7m $6.8m | Added +143.9k |
| EMERALD ADVISERS, LLC 0.19% of their portfolio | 1.2m $4.4m | Reduced -1.7m |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 1.2m $4.2m | Added +36.3k |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 1.1m $3.9m | Reduced -536.5k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 1.0m $3.7m | Reduced -823.1k |
| Schonfeld Strategic Advisors LLC 0.03% of their portfolio | 1.0m $3.7m | Added +41.7k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 1.0m $3.7m | Reduced -1.3m |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 981.0k $3.6m | Added +347.2k |
| Apollo Management Holdings, L.P. 0.04% of their portfolio | 964.1k $3.5m | Unchanged |
| EMERALD MUTUAL FUND ADVISERS TRUST 0.18% of their portfolio | 956.5k $3.5m | Reduced -1.4m |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 884.0k $3.2m | Reduced -3.1m |
| Bank of New York Mellon Corp 0.00% of their portfolio | 881.3k $3.2m | Added +58.4k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 817.1k $3.0m | Reduced -38.7k |
| Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio | 752.8k $2.7m | Added +12.7k |
| OBERWEIS ASSET MANAGEMENT INC/ 0.25% of their portfolio | 722.8k $2.6m | Reduced -75.6k |
| UBS Group AG 0.00% of their portfolio | 717.5k $2.6m | Added +386.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 715.3k $2.6m | Added +137.3k |
| BARCLAYS PLC 0.00% of their portfolio | 710.9k $2.6m | Added +230.4k |
| SCOPIA CAPITAL MANAGEMENT LP 0.34% of their portfolio | 695.0k $2.5m | Unchanged |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 669.5k $2.4m | Added +456.1k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 662.7k $2.4m | Added +284.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 650.0k $2.4m | Added +183.8k |
| Swiss National Bank 0.00% of their portfolio | 528.9k $1.9m | Reduced -52.1k |
| 1492 Capital Management LLC 1.07% of their portfolio | 516.9k $1.9m | Reduced -4.1k |
| GSA CAPITAL PARTNERS LLP 0.15% of their portfolio | 500.5k $1.8m | Added +337.5k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 434.2k $1.6m | Reduced -125.5k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 421.6k $1.5m | Added +142.8k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 410.2k $1.5m | Reduced -27.8k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 395.6k $1.4m | Added +259.2k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 377.9k $1.4m | Added +23.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 373.0k $1.4m | Added +114.5k |
| RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio | 370.2k $1.3m | Added +34.4k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 369.6k $1.3m | Reduced -12.2k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 365.4k $1.3m | Added +80.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 352.8k $1.3m | Added +177.1k |
| CITIGROUP INC 0.00% of their portfolio | 351.4k $1.3m | Reduced -11.7k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 350.4k $1.3m | New |
| Susquehanna Portfolio Strategies, LLC 0.02% of their portfolio | 328.9k $1.2m | First filing |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 326.0k $1.2m | Reduced -151.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 282.0k $1.0m | Reduced -8.3k |
| Legal & General Group Plc 0.00% of their portfolio | 274.8k $1.0m | Added +25.4k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 254.5k $926.4k | Unchanged |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 208.8k $760.1k | Reduced -6.8k |
| ClariVest Asset Management LLC 0.04% of their portfolio | 196.9k $716.8k | Added +4.7k |
| Bruce & Co., Inc. 0.25% of their portfolio | 195.1k $710.1k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 186.5k $680.0k | Added +52.6k |
| ALPS ADVISORS INC 0.01% of their portfolio | 183.0k $666.0k | Reduced -15.1k |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 176.5k $642.6k | Added +1.3k |
| SG Americas Securities, LLC 0.01% of their portfolio | 166.8k $607.0k | Added +95.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 162.6k $593.0k | Added +51.3k |
| GTS SECURITIES LLC 0.01% of their portfolio | 158.8k $578.0k | Added +95.4k |
| Man Group plc 0.00% of their portfolio | 140.2k $510.5k | New |
| Raymond James Financial Services Advisors, Inc. 0.00% of their portfolio | 138.6k $504.3k | Reduced -15.4k |
| Hennion & Walsh Asset Management, Inc. 0.03% of their portfolio | 137.6k $500.9k | New |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 136.5k $496.9k | New |
| ExodusPoint Capital Management, LP 0.01% of their portfolio | 135.7k $494.0k | Added +17.3k |
| PROFUND ADVISORS LLC 0.02% of their portfolio | 135.3k $492.4k | Reduced -10.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 134.0k $487.6k | Reduced -447 |
| MetLife Investment Management, LLC 0.00% of their portfolio | 133.4k $485.7k | Unchanged |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 129.6k $471.9k | Added +1.5k |
| Aigen Investment Management, LP 0.08% of their portfolio | 127.4k $463.7k | Added +22.9k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 125.0k $452.0k | Added +21.2k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio | 123.3k $448.8k | Reduced -112.3k |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 112.8k $410.6k | New |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 110.5k $402.2k | Added +56 |
| GLOBEFLEX CAPITAL L P 0.04% of their portfolio | 106.6k $388.0k | Added +33.0k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 106.4k $387.8k | Reduced -202 |
| Aaron Wealth Advisors LLC 0.06% of their portfolio | 97.0k $353.1k | Unchanged |
| Virtu Financial LLC 0.03% of their portfolio | 96.1k $350.0k | Added +44.7k |
| Creative Planning 0.00% of their portfolio | 95.1k $346.0k | Added +118 |
| Skandinaviska Enskilda Banken AB (publ) 0.00% of their portfolio | 87.1k $317.0k | New |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 79.7k $290.0k | Reduced -15.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 79.0k $287.4k | Reduced -25.3k |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 76.9k $279.9k | Reduced -594.1k |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 75.0k $273.1k | Reduced -239 |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 73.3k $266.8k | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 68.7k $250.2k | Added +7.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 67.7k $246.6k | Added +141 |
| CAPSTONE INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 65.1k $237.1k | New |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio | 61.9k $225.0k | Reduced -13.2k |
| ProShare Advisors LLC 0.00% of their portfolio | 60.4k $219.8k | Added +9.5k |
| SHERBROOKE PARK ADVISERS LLC 0.10% of their portfolio | 59.6k $217.1k | Added +22.1k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 59.4k $216.2k | Reduced -9.1k |
| Bayesian Capital Management, LP 0.02% of their portfolio | 58.1k $211.5k | Added +25.3k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 57.5k $209.3k | Added +51.0k |