$MNKD

$3.23 +$0.04 (1.25%) Close

$MNKD Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 321.5M shares outstanding

Who owns MNKD?

By type of holder

Institutions 56.1% Insiders 0.0% Everyone else 43.9%

Concentration Top 10 holders own 35.5%

BlackRock, Inc. 10.0% · State Street Corp 5.0%

Institutional ownership

56.1%

+1.1 pts vs last qtr

Institutional holders

254

+5 vs last qtr

Net shares bought

+3.6M

by institutions in Q2 2026

New / sold out

50 / 45

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Rubric Capital Management LP +14.4M
Deep Track Capital, LP NEW +6.0M

Biggest sellers in Q2 2026

Millennium Management LLC −6.0M
UBS Group AG −5.4M

Who is planning to sell?

Notices of proposed sale, last 12 months

$3.04M

11 notices from 6 people

Shares covered

598.6K

0.19% of the company

Arranged in advance

100%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Michael Castagna Director 10b5-1 $1.21M
David Thomson Officer 10b5-1 $900K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2015–FY2025

+286.7%

+16.21% a year

Each share's claim on the business

−74.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $121M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years65% 3–5 years2% 1–3 years8% Under 1 year25%

Quarterly turnover

27.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MNKD on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	32.1M	9.99%	+3.5M (+12.4%)	≤2021	0.0%
Shares held by quarter Peak holding32.1M (Q2'26) Change over 8 quarters+8.5M Share of the company9.990% BlackRock, Inc.'s full portfolio →
SS State Street Corp	16.2M	5.03%	−2.5M (−13.4%)	≤2021	0.0%
Shares held by quarter Peak holding18.7M (Q1'26) Change over 8 quarters+6.6M Share of the company5.030% State Street Corp's full portfolio →

BlackRock, Inc.

32.1M

% of company

9.99%

Change vs last qtr

+3.5M (+12.4%)

Held since

≤2021

State Street Corp

16.2M

% of company

5.03%

Change vs last qtr

−2.5M (−13.4%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MannKind Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MNKD on Form N-PORT; together they hold 22.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$39.7M	9.3M	2.90%	0.00%	June 30, 2026
SS State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR Series Trust	$36.3M	8.5M	2.65%	0.34%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$39.7M

% of company

2.90%

% of the fund

0.00%

As of

June 30, 2026

State Street(R) SPDR(R) S&P(R) Biotech ETF

SPDR Series Trust

Position value

$36.3M

% of company

2.65%

% of the fund

0.34%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MannKind Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
TD Thomson David Insider	20.5K	0.01%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.010% Thomson David's insider activity →

Thomson David

Insider

20.5K

% of company

0.01%

Change vs last qtr

—

Held since

—

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