MannKind Ownership | Who Owns MannKind?

Overview Forecast RevenueFinancials Chart Transcripts

MannKind Ownership Summary

MannKind is owned by 10.56% institutional investors, 1.64% insiders, and 87.80% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.44% of MNKD shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.97% of its assets in MannKind shares.

MNKD Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MannKind	10.56%	1.64%	87.80%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	28.95M	9.44%	$164.14M
Blackrock	22.56M	8.34%	$117.75M
Vanguard group	17.88M	5.83%	$101.38M
State street	10.74M	3.52%	$57.67M
Rubric capital management lp	7.48M	2.44%	$42.39M
Geode capital management	7.37M	2.40%	$41.82M
Nitorum capital	6.56M	2.15%	$35.24M
Ubs group	5.10M	1.66%	$28.93M
D. e. shaw	4.27M	1.55%	$27.45M
Avoro capital advisors	4.47M	1.47%	$24.00M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Nitorum capital	6.56M	6.19%	$35.24M
Tsp capital management group	2.96M	4.11%	$16.80M
180 wealth advisors	2.96M	1.91%	$16.78M
1492 capital management	535.27K	1.16%	$3.03M
Deltec asset management	974.70K	0.92%	$5.53M
Eversept partners, lp	2.04M	0.76%	$10.97M
Stonepine capital management	157.57K	0.69%	$846.15K
Rubric capital management lp	7.48M	0.51%	$42.39M
Scopia capital management lp	694.96K	0.47%	$3.73M
Parkman healthcare partners	656.08K	0.37%	$3.52M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	3.47M	0.00%	2.63M
Millennium management	3.45M	0.01%	1.80M
Adage capital partners gp	1.69M	0.01%	1.69M
Eversept partners, lp	2.04M	0.76%	1.35M
Voloridge investment management	1.23M	0.02%	1.06M

Top Sellers

Holder	Shares	% Assets	Change
Rubric capital management lp	7.48M	0.51%	-3.94M
Two sigma advisers, lp	1.83M	0.02%	-1.56M
Jpmorgan chase	522.19K	0.00%	-1.53M
Connor, clark & lunn investment management	-	-	-1.48M
Qube research	2.60M	0.01%	-1.47M

New Positions

Holder	Shares	% Assets	Change	Value
Adage capital partners gp	1.69M	0.01%	1.69M	$9.10M
Schroder investment management group	485.09K	0.00%	485.09K	$2.60B
Y-intercept (hong kong)	238.68K	0.03%	238.68K	$1.35M
Voleon capital management lp	237.24K	0.03%	237.24K	$1.27M
Diadema partners lp	212.47K	0.29%	212.47K	$1.14M

Sold Out

Holder	Change
Mather group, llc.	-4.00
Jpl wealth management	-5.00
Tfc financial management	-6.00
Geowealth management	-9.00
Newbridge financial services group	-10.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	72	-70.12%	32,410,285	-81.24%	10	0.33%	35	-66.98%	15	-80.77%
Sep 30, 2025	85	-64.14%	32,712,871	-80.77%	10	0.34%	37	-63.00%	25	-63.24%
Jun 30, 2025	233	-11.41%	169,987,066	-3.57%	56	1.66%	95	-22.76%	69	-2.82%
Mar 31, 2025	259	2.78%	176,169,093	4.99%	58	1.56%	120	-8.40%	72	38.46%
Dec 31, 2024	239	0.42%	157,530,915	2.06%	57	1.82%	119	-0.83%	53	3.92%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	9.15M	2.97%	-
Vanguard US Total Market Shares ETF	8.09M	2.66%	-22.90K
State Street® SPDR® S&P® Biotech ETF	7.76M	2.52%	-41.75K
iShares Russell 2000 ETF	7.28M	2.37%	1.87M
Vanguard Institutional Extnd Mkt Idx Tr	3.31M	1.08%	14.11K
Fidelity Select Biotechnology	3.30M	1.07%	-
Fidelity Small Cap Index	3.06M	0.99%	16.31K
SPDR® S&P Biotech ETF	2.87M	0.93%	6.40K
iShares Russell 2000 Growth ETF	2.52M	0.82%	744.42K
iShares Biotechnology ETF	2.19M	0.71%	267.25K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 10, 2026	Castagna Michael	Chief Executive Officer	Buy	$259.00K
Jan 08, 2026	Tross Stuart A	Chief People & Workpl Officer	Sell	$297.55K
Dec 17, 2025	Castagna Michael	Chief Executive Officer	Sell	$395.48K
Dec 16, 2025	Castagna Michael	Chief Executive Officer	Sell	$127.86K
Dec 02, 2025	Castagna Michael	Chief Executive Officer	Sell	$601.11K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	1	1
2025 Q4	-	5
2025 Q3	-	3
2025 Q2	-	5
2025 Q1	-	-

MNKD Ownership FAQ

Who Owns MannKind?

MannKind shareholders are primarily institutional investors at 10.56%, followed by 1.64% insiders and 87.80% retail investors. The average institutional ownership in MannKind's industry, Biotech Stocks , is 381.47%, which MannKind falls below.

Who owns the most shares of MannKind?

MannKind’s largest shareholders are Blackrock funding, inc. /de (28.95M shares, 9.44%), Blackrock (22.56M shares, 8.34%), and Vanguard group (17.88M shares, 5.83%). Together, they hold 23.61% of MannKind’s total shares outstanding.

Does Blackrock own MannKind?

Yes, BlackRock owns 8.34% of MannKind, totaling 22.56M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 117.75M$. In the last quarter, BlackRock increased its holdings by 931.32K shares, a 4.31% change.

Who is MannKind’s biggest shareholder by percentage of total assets invested?

Nitorum capital is MannKind’s biggest shareholder by percentage of total assets invested, with 6.19% of its assets in 6.56M MannKind shares, valued at 35.24M$.

Who is the top mutual fund holder of MannKind shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of MannKind shares, with 2.97% of its total shares outstanding invested in 9.15M MannKind shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools