MannKind Corp
MNKD
258 hedge funds and large institutions have $1.03B invested in MannKind Corp in 2025 Q4 according to their latest regulatory filings, with 48 funds opening new positions, 87 increasing their positions, 68 reducing their positions, and 22 closing their positions.
118% more first-time investments, than exits
New positions opened: 48 | Existing positions closed: 22
72% more call options, than puts
Call options by funds: $8.08M | Put options by funds: $4.7M
28% more repeat investments, than reductions
Existing positions increased: 87 | Existing positions reduced: 68
10% more capital invested
Capital invested by funds: $929M → $1.03B (+$96.3M)
10% more funds holding
Funds holding: 234 → 258 (+24)
1.63% more ownership
Funds ownership: 56.32% → 57.95% (+1.6%)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FLSM
Frazier Life Sciences Management
Palo Alto,
California
|
+$23.3M |
| 2 |
State Street
Boston,
Massachusetts
|
+$21.4M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$12.5M |
| 4 |
EC
EcoR1 Capital
San Francisco,
California
|
+$9.14M |
| 5 |
ACA
Apis Capital Advisors
New York
|
+$6.61M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCMNY
Rubric Capital Management (New York)
New York
|
-$21.7M |
| 2 |
TCMG
TSP Capital Management Group
Summit,
New Jersey
|
-$16.4M |
| 3 |
JP Morgan Chase
New York
|
-$8.4M |
| 4 |
Connor, Clark & Lunn Investment Management (CC&L)
Vancouver,
British Columbia, Canada
|
-$7.96M |
| 5 |
Two Sigma Advisers
New York
|
-$7.27M |
MNKD Hedge Fund Activity: Q4 2025 in Review
258 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in MannKind Corp (MNKD) for Q4 2025, worth a combined $1.03B — up 10% from $929M a quarter earlier.
Buyers outnumbered sellers: 48 funds opened new MNKD positions and 22 closed out — a net gain of 26 holders — while 87 added to existing stakes and 68 trimmed.
The largest buyer was Frazier Life Sciences Management, opening a new position worth an estimated $23.3M. The largest seller was Rubric Capital Management (New York), cutting an estimated $21.7M.
- 258 institutional investors held MannKind Corp (MNKD) as of Q4 2025, up from 234 in Q3 2025.
- Funds reported $1.03B of MannKind Corp stock for Q4 2025, up 10% quarter-over-quarter.
- 48 funds opened new MannKind Corp positions in Q4 2025 and 22 closed out, a net change of +26 holders.
- The largest MannKind Corp buyer in Q4 2025 was Frazier Life Sciences Management, an estimated $23.3M added.
- The largest MannKind Corp seller in Q4 2025 was Rubric Capital Management (New York), an estimated $21.7M sold.
Based on aggregated 13F filings for Q4 2025.