MannKind Corp
MNKD
250 hedge funds and large institutions have $442M invested in MannKind Corp in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 84 increasing their positions, 71 reducing their positions, and 50 closing their positions.
18% more repeat investments, than reductions
Existing positions increased: 84 | Existing positions reduced: 71
0.6% less ownership
Funds ownership: 57.95% → 57.36% (-0.6%)
3% less funds holding
Funds holding: 258 → 250 (-8)
10% less first-time investments, than exits
New positions opened: 45 | Existing positions closed: 50
34% less call options, than puts
Call options by funds: $3.62M | Put options by funds: $5.45M
57% less capital invested
Capital invested by funds: $1.03B → $442M (-$584M)
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$26.2M |
| 2 |
State Street
Boston,
Massachusetts
|
+$18.1M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$14.1M |
| 4 |
Two Sigma Investments
New York
|
+$7.62M |
| 5 |
FLSM
Frazier Life Sciences Management
Palo Alto,
California
|
+$7.47M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NC
Nitorum Capital
New York
|
-$30.2M |
| 2 |
RCMNY
Rubric Capital Management (New York)
New York
|
-$17.2M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$10.7M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$10.6M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$10.6M |
MNKD Hedge Fund Activity: Q1 2026 in Review
250 of the 6,408 institutional investors tracked by Wall St. Rank reported a position in MannKind Corp (MNKD) for Q1 2026, worth a combined $442M — down 57% from $1.03B a quarter earlier.
Sellers outnumbered buyers: 50 funds closed out of MNKD and 45 opened new positions — a net loss of 5 holders — while 71 trimmed existing stakes and 84 added.
The largest buyer was Millennium Management, adding an estimated $26.2M. The largest seller was Nitorum Capital, exiting entirely with an estimated $30.2M sold.
- 250 institutional investors held MannKind Corp (MNKD) as of Q1 2026, down from 258 in Q4 2025.
- Funds reported $442M of MannKind Corp stock for Q1 2026, down 57% quarter-over-quarter.
- 45 funds opened new MannKind Corp positions in Q1 2026 and 50 closed out, a net change of -5 holders.
- The largest MannKind Corp buyer in Q1 2026 was Millennium Management, an estimated $26.2M added.
- The largest MannKind Corp seller in Q1 2026 was Nitorum Capital, an estimated $30.2M sold.
Based on aggregated 13F filings for Q1 2026.