MANNKIND CORP (MNKD) Institutional Ownership Changes & 13F Activity
MANNKIND CORP (MNKD). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Rubric Capital Management Lp, Deep Track Capital, Lp, Millennium Management Llc, Wellington Management Group Llp, and Braidwell Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Integrated Wealth Concepts Llc | Buy | +18,264 | — | 18,264 | $77.80K | Q2 2026 | Sep 09, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -3,570 | -2.6% | 133,886 | $570.35K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -294,171 | -24.7% | 896,260 | $3.82M | Q2 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Sell | -131 | -100.0% | 0 | $0.00 | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Buy | +10,988 | — | 10,988 | $46.81K | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -9,479 | -2.5% | 370,233 | $1.58M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +120,726 | +1184.2% | 130,921 | $557.72K | Q2 2026 | Aug 19, 2026 |
| Fulcrum Asset Management Llp | Buy | +29,056 | — | 29,056 | $123.20K | Q2 2026 | Aug 18, 2026 |
| Jefferies Financial Group Inc. | Sell | -294,000 | -42.5% | 397,700 | $1.69M | Q2 2026 | Aug 17, 2026 |
| United Capital Financial Advisors, Llc | Buy | +104 | +0.4% | 23,654 | $100.77K | Q2 2026 | Aug 17, 2026 |
| Rubric Capital Management Lp | Buy | +14,379,587 | +397.2% | 18,000,000 | $76.68M | Q2 2026 | Aug 14, 2026 |
| Deep Track Capital, Lp | Buy | +6,000,000 | — | 6,000,000 | $25.56M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -5,959,796 | -93.3% | 431,126 | $1.84M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +4,561,628 | +138.9% | 7,844,807 | $33.42M | Q2 2026 | Aug 14, 2026 |
| Braidwell Lp | Buy | +3,458,429 | — | 3,458,429 | $14.73M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +3,355,838 | +740.8% | 3,808,824 | $16.23M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -1,018,805 | -30.1% | 2,364,872 | $10.07M | Q2 2026 | Aug 14, 2026 |
| J. Goldman & Co Lp | Buy | +816,589 | — | 816,589 | $3.48M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -787,821 | -26.8% | 2,154,499 | $9.18M | Q2 2026 | Aug 14, 2026 |
| Frazier Life Sciences Management, L.P. | Buy | +700,000 | +11.9% | 6,600,000 | $28.12M | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +615,939 | +71.6% | 1,476,413 | $6.29M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +477,594 | +231.3% | 684,107 | $2.91M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +464,941 | +64.9% | 1,180,803 | $5.03M | Q2 2026 | Aug 14, 2026 |
| Jacobs Levy Equity Management, Inc | Buy | +451,051 | +1038.3% | 494,493 | $2.11M | Q2 2026 | Aug 14, 2026 |
| Apollo Management Holdings, L.P. | Sell | -449,790 | -92.9% | 34,226 | $145.80K | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Sell | -424,727 | -58.5% | 301,669 | $1.29M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +413,062 | — | 413,062 | $1.76M | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +376,872 | +951.4% | 416,483 | $1.77M | Q2 2026 | Aug 14, 2026 |
| State Of Wisconsin Investment Board | Buy | +351,781 | +220.9% | 511,045 | $2.18M | Q2 2026 | Aug 14, 2026 |
| Rafferty Asset Management, Llc | Sell | -344,760 | -59.3% | 236,770 | $1.01M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about MNKD activity
Which institutional owners are buying MNKD?
Institutional owners buying MNKD include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in MNKD activity?
"Buy" means an investor increased their reported position in MNKD compared to the prior reporting period. This reflects growing exposure to MANNKIND CORP (MNKD) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MNKD increasing?
Institutional interest in MNKD can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related MNKD Institutional Insights
- MNKD Overview
- MNKD 13F Institutional Holders
- MNKD Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- MNKD Insider Trading & SEC Form 4 Activity
- MNKD Articles
- Top Institutional Investor Stock Rankings