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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
BlackRock
1
BlackRock
New York
$154M -$1.71M -389,822 -1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$94.7M -$2.33M -530,280 -3%
RCMNY
3
Rubric Capital Management (New York)
New York
$61.3M +$50.1M +11,414,671 New
State Street
4
State Street
Massachusetts
$57.7M -$25.1K -5,718 -0.1%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$39.7M -$1.02M -232,070 -3%
NC
6
Nitorum Capital
New York
$35.2M -$1.97M -450,050 -6%
UBS Group
7
UBS Group
Switzerland
$27.9M +$13.6M +3,088,820 +147%
ACA
8
Avoro Capital Advisors
New York
$24M -$6.06M -1,381,123 -24%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$21.6M -$164K -37,338 -0.9%
Morgan Stanley
10
Morgan Stanley
New York
$20.7M +$4.79M +1,092,228 +40%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$18.6M +$11.6M +2,634,533 +316%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$17.8M -$2.77M -631,810 -16%
TCMG
13
TSP Capital Management Group
New Jersey
$16M +$13.1M +2,983,975 New
Bank of America
14
Bank of America
North Carolina
$15.8M -$1.92M -438,153 -13%
1WA
15
180 Wealth Advisors
Washington
$15.4M +$1.27M +290,276 +11%
Northern Trust
16
Northern Trust
Illinois
$14.9M +$14.4K +3,286 +0.1%
N
17
Nuveen
North Carolina
$14.1M -$2.36M -537,072 -17%
Qube Research & Technologies (QRT)
18
Qube Research & Technologies (QRT)
United Kingdom
$14M -$6.43M -1,465,774 -36%
Charles Schwab
19
Charles Schwab
California
$13.8M -$238K -54,257 -2%
JP Morgan Chase
20
JP Morgan Chase
New York
$11M +$3.05M +695,852 +51%
EP
21
Eversept Partners
New York
$11M +$5.9M +1,345,017 +193%
Two Sigma Investments
22
Two Sigma Investments
New York
$10.8M -$2.26M -515,759 -20%
Goldman Sachs
23
Goldman Sachs
New York
$10.5M +$1.82M +413,729 +27%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$9.83M -$6.82M -1,555,400 -46%
Squarepoint
25
Squarepoint
New York
$9.21M +$1.1M +249,813 +17%
1
2 3 4 5

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.