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MannKind Corp
MNKD

234 hedge funds and large institutions have $929M invested in MannKind Corp in 2025 Q3 according to their latest regulatory filings, with 51 funds opening new positions, 59 increasing their positions, 75 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed

229% more call options, than puts

Call options by funds: $19.8M | Put options by funds: $6.02M

200% more funds holding in top 10

Funds holding in top 10: 1 → 3 (+2)

46% more capital invested

Capital invested by funds: $637M → $929M (+$293M)

11% more first-time investments, than exits

New positions opened: 51 | Existing positions closed: 46

1.29% more ownership

Funds ownership: 55.03% → 56.32% (+1.3%)

1% more funds holding

Funds holding: 232 → 234 (+2)

21% less repeat investments, than reductions

Existing positions increased: 59 | Existing positions reduced: 75

Holders
234
Holders Change
+2
Holders Change %
+0.86%
% of All Funds
3.07%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
51
Increased
59
Reduced
75
Closed
46
Calls
$19.8M
Puts
$6.02M
Net Calls
+$13.8M
Net Calls Change
+$8.44M

Top Buyers

1
RCMNY
Rubric Capital Management (New York)
New York
+$50.1M
2
UBS Group
UBS Group
Switzerland
+$13.6M
3
TCMG
TSP Capital Management Group
New Jersey
+$13.1M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$11.6M
5
Adage Capital Partners
Adage Capital Partners
Massachusetts
+$7.43M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$17.1M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$7.31M
3
Two Sigma Advisers
Two Sigma Advisers
New York
-$6.82M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$6.43M
5
ACA
Avoro Capital Advisors
New York
-$6.06M
Name Holding Trade Value Shares
Change 		Change in
Stake
CAS
151
CTC Alternative Strategies
Illinois
$88.1K +$71.9K +16,400 New
KBC Group
152
KBC Group
Belgium
$77K – – –
SGI
153
Summit Global Investments
Utah
$75K – – –
TRCT
154
Tower Research Capital (TRC)
New York
$75K -$58.2K -13,258 -49%
PWSG
155
Pacific Wealth Strategies Group
California
$73K – – –
SLAM
156
Swiss Life Asset Management
$71.9K +$58.7K +13,380 New
National Bank of Canada
157
National Bank of Canada
Quebec, Canada
$71.3K – – –
DFCM
158
Dark Forest Capital Management
Puerto Rico
$70.5K -$1.97M -448,347 -97%
SPIA
159
Steward Partners Investment Advisory
New York
$68.5K +$570 +130 +1%
TSS
160
Two Sigma Securities
New York
$67.7K +$55.3K +12,598 New
MSWM
161
Master's Wealth Management
Pennsylvania
$65K +$1.19K +271 +2%
WA
162
Waverly Advisors
Alabama
$64.5K +$52.7K +12,015 New
IFG
163
Independent Financial Group
California
$64.3K – – –
Mirae Asset Global Investments
164
Mirae Asset Global Investments
South Korea
$63.7K +$531 +121 +1%
SFS
165
Sowell Financial Services
Arkansas
$58K -$1.25K -284 -3%
Capstone Investment Advisors
166
Capstone Investment Advisors
New York
$57.6K +$47.1K +10,734 New
SGA
167
Strategic Global Advisors
California
$55.1K +$45K +10,259 New
WS
168
Wedbush Securities
California
$54K – – –
FA
169
Fountainhead AM
New Jersey
$53.7K -$395 -90 -0.9%
AB
170
Amalgamated Bank
New York
$49K – – –
CA
171
Crewe Advisors
Utah
$43.4K – – –
Northwestern Mutual Wealth Management
172
Northwestern Mutual Wealth Management
Wisconsin
$42.1K – – –
GFM
173
GF Fund Management
China
$35.4K -$2.02K -460 -7%
AAP
174
Arax Advisory Partners
Colorado
$29.9K +$24.4K +5,571 New
Nisa Investment Advisors
175
Nisa Investment Advisors
Missouri
$19.8K +$268 +61 +2%
5 6
7
8 9

MNKD Hedge Fund Activity: Q3 2025 in Review

234 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in MannKind Corp (MNKD) for Q3 2025, worth a combined $929M — up 46% from $637M a quarter earlier.

Buyers outnumbered sellers: 51 funds opened new MNKD positions and 46 closed out — a net gain of 5 holders — while 59 added to existing stakes and 75 trimmed.

The largest buyer was Rubric Capital Management (New York), opening a new position worth an estimated $50.1M. The largest seller was Millennium Management, cutting an estimated $17.1M.

  • 234 institutional investors held MannKind Corp (MNKD) as of Q3 2025, up from 232 in Q2 2025.
  • Funds reported $929M of MannKind Corp stock for Q3 2025, up 46% quarter-over-quarter.
  • 51 funds opened new MannKind Corp positions in Q3 2025 and 46 closed out, a net change of +5 holders.
  • The largest MannKind Corp buyer in Q3 2025 was Rubric Capital Management (New York), an estimated $50.1M added.
  • The largest MannKind Corp seller in Q3 2025 was Millennium Management, an estimated $17.1M sold.

Based on aggregated 13F filings for Q3 2025.