MannKind Ownership | Who Owns MannKind?

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MannKind Ownership Summary

MannKind is owned by 10.73% institutional investors, 1.64% insiders, and 87.63% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.41% of MNKD shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.96% of its assets in MannKind shares.

MNKD Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MannKind	10.73%	1.64%	87.63%
Sector	Healthcare Stocks	42.54%	10.83%	46.63%
Industry	Biotech Stocks	45.22%	10.75%	44.04%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	28.71M	9.41%	$154.17M
Blackrock	22.56M	8.34%	$117.75M
Vanguard group	17.63M	5.78%	$94.68M
Rubric capital management lp	11.41M	3.74%	$61.30M
State street	10.74M	3.52%	$57.67M
Geode capital management	7.39M	2.42%	$39.67M
Nitorum capital	6.56M	2.15%	$35.24M
Ubs group	5.19M	1.70%	$27.90M
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	2.98M	4.29%	$16.02M
180 wealth advisors	2.87M	1.88%	$15.42M
1492 capital management	504.24K	1.10%	$2.71M
Eversept partners, lp	2.04M	0.76%	$10.97M
Rubric capital management lp	11.41M	0.69%	$61.30M
Stonepine capital management	157.57K	0.69%	$846.15K
Deltec asset management	723.50K	0.64%	$3.89M
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
Rubric capital management lp	11.41M	0.69%	11.41M
Ubs group	5.19M	0.00%	3.09M
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

Top Sellers

Holder	Shares	% Assets	Change
Two sigma advisers, lp	1.83M	0.02%	-1.56M
Qube research	2.60M	0.01%	-1.47M
Avoro capital advisors	4.47M	0.31%	-1.38M
Parkman healthcare partners	656.08K	0.37%	-1.24M
Bank of america corp /de/	1.24M	0.00%	-1.18M

New Positions

Holder	Shares	% Assets	Change	Value
Rubric capital management lp	11.41M	0.69%	11.41M	$61.30M
Adage capital partners gp	1.69M	0.01%	1.69M	$9.10M
Axiom investors llc /de	899.40K	0.04%	899.40K	$4.83M
Deltec asset management	723.50K	0.64%	723.50K	$3.89M
Schroder investment management group	485.09K	0.00%	485.09K	$2.60B

Sold Out

Holder	Change
Mather group, llc.	-4.00
Tfc financial management	-6.00
Geowealth management	-9.00
Newbridge financial services group	-10.00
Coldstream capital management	-24.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	238	10.19%	154,357,881	11.96%	56	2.16%	120	23.71%	51	-16.39%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	9.08M	2.96%	-201.48K
Vanguard US Total Market Shares ETF	8.09M	2.66%	-22.90K
iShares Russell 2000 ETF	7.27M	2.37%	-
Fidelity Select Biotechnology	3.67M	1.20%	-263.10K
Vanguard Institutional Extnd Mkt Idx Tr	3.27M	1.07%	-1.44M
Fidelity Small Cap Index	3.03M	0.99%	308.90K
SPDR® S&P Biotech ETF	2.87M	0.93%	6.40K
iShares Russell 2000 Growth ETF	2.66M	0.87%	-
iShares Biotechnology ETF	1.75M	0.57%	-
Nuveen Quant Small Cap Equity R6	1.72M	0.56%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 02, 2025	Castagna Michael	Chief Executive Officer	Sell	$601.11K
Dec 02, 2025	Thomson David	EVP Genl Counsel & Secretary	Sell	$823.13K
Nov 14, 2025	Singh Sanjay R	EVP Technical Operations	Sell	$94.45K
Sep 16, 2025	Tross Stuart A	Chief People & Workpl Officer	Sell	$250.98K
Jul 16, 2025	Binder Steven B.	-	Sell	$296.95K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	3
2025 Q3	-	3
2025 Q2	-	5
2025 Q1	-	-
2024 Q4	-	3

MNKD Ownership FAQ

Who Owns MannKind?

MannKind shareholders are primarily institutional investors at 10.73%, followed by 1.64% insiders and 87.63% retail investors. The average institutional ownership in MannKind's industry, Biotech Stocks , is 45.22%, which MannKind falls below.

Who owns the most shares of MannKind?

MannKind’s largest shareholders are Blackrock funding, inc. /de (28.71M shares, 9.41%), Blackrock (22.56M shares, 8.34%), and Vanguard group (17.63M shares, 5.78%). Together, they hold 23.54% 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 2.96% of its total shares outstanding invested in 9.08M MannKind shares.

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