MNKD

Mannkind Corp Cross-source read$3.56 5.07%
Health CareCUSIP 56400P706· EOD Sep 15, 2026

Among active 13F managers last quarter, 5 opened and 25 added, while 10 reduced; the largest holder to move was Rubric Capital Management LP (+397%). Over the last 180 days, 2 insiders sold and none bought, a net -$663K in open-market trades.

Tracked 13F holders
234
105 in Q2 2026 filings
13F value (tracked)
$697.6M
Smart-money readMixed
Net sellingNet buying
Funds · active managers, latest 13F
30 adding · 10 trimming
Insiders · Form 4 open-market, 180d
0 buying · 2 selling · -$663K
US House · STOCK Act, 180d
0 buying · 0 selling

The legs disagree, or only one of them leans.

Price & smart-money activity

$3.56 5.07%5Y -20.5%
$1.87$3.36$4.86$6.36$7.852021202220232024202520262217172162921232732716301925281323292624232428322943525264720353345537741505253770446762240243
Hover for who · click for detailEnd-of-day closing prices52w $2.28 – $6.21

Who owns MNKD?

234 tracked 13F filers · ranked by shares held

234 tracked 13F filers disclose a position in MNKD as of the latest SEC 13F filings, a combined $697.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundSharesPosition valueLast moveAs ofHistory
1BlackRock, Inc.32.1M
$136.9M
+12%
Added · +3.5M sh
Q2 2026
2Rubric Capital Management LP18.0M
$76.7M
+397%
Added · +14.4M sh
Q2 2026
3State Street Corp16.2M
$68.9M
−13%
Reduced · −2.5M sh
Q2 2026
4Vanguard Capital Management LLC13.2M
$56.1M
+2.1%
Added · +278K sh
Q2 2026
5UBS Group AG8.3M
$20.2M
+62%
Added · +3.2M sh
Q1 2026
6Geode Capital Management, LLC7.9M
$33.9M
+5.9%
Added · +442K sh
Q2 2026
7Frazier Life Sciences Management, L.P.6.6M
$28.1M
+12%
Added · +700K sh
Q2 2026
8Millennium Management LLC6.4M
$15.7M
12×
Added · +5.9M sh
Q1 2026
9Morgan Stanley5.8M
$14.2M
+30%
Added · +1.3M sh
Q1 2026
10180 Wealth Advisors, LLC5.0M
$21.1M
+16%
Added · +668K sh
Q2 2026
11Dimensional Fund Advisors LP5.0M
$12.1M
+11%
Added · +510K sh
Q1 2026
12FMR LLC4.1M
$17.5M
+18%
Added · +620K sh
Q2 2026
13TSP Capital Management Group, LLC4.0M
$16.9M
+19%
Added · +629K sh
Q2 2026
14Braidwell LP3.5M
$14.7M
New
+3.5M sh
Q2 2026
15Bank Of America Corp3.4M
$8.3M
+43%
Added · +1.0M sh
Q1 2026
16Vanguard Portfolio Management LLC3.0M
$12.8M
−5.3%
Reduced · −170K sh
Q2 2026
17Goldman Sachs Group Inc2.9M
$7.2M
+53%
Added · +1.0M sh
Q1 2026
18Two Sigma Investments, LP2.9M
$7.1M
+144%
Added · +1.7M sh
Q1 2026
19Northern Trust Corp2.7M
$6.6M
+1.8%
Added · +46K sh
Q1 2026
20Charles Schwab Investment Management Inc2.5M
$6.2M
−0.6%
Reduced · −15K sh
Q1 2026
21Vanguard Fiduciary Trust Co2.2M
$9.4M
+2.8%
Added · +59K sh
Q2 2026
22Nuveen, LLC2.2M
$5.3M
+0.1%
Added · +2K sh
Q1 2026
23Qube Research & Technologies Ltd2.1M
$5.3M
+17%
Added · +318K sh
Q1 2026
24Renaissance Technologies LLC1.9M
$4.6M
+6.3%
Added · +111K sh
Q1 2026
25Marshall Wace, LLP1.6M
$3.8M
+491%
Added · +1.3M sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.

Is MNKD being bought or sold by institutions?

Last quarter, 5 funds opened a new position in MNKD and 25 added to an existing one, while 10 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
5
funds took a first position
Added
25
added to an existing position
Reduced
10
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own MNKD also own

CompanyCo-held byTheir position there
Amazon.com IncAMZN121 funds$145.8B
Nvidia CorpNVDA119 funds$303.5B
Microsoft CorpMSFT119 funds$187.5B
Meta Platforms Inc-Class AMETA118 funds$82.5B
Apple IncAAPL117 funds$219.6B
Alphabet Inc-CL AGOOGL115 funds$128.5B
Visa Inc-Class A SharesV115 funds$46.3B
Broadcom IncAVGO113 funds$122.5B
Eli Lilly & CoLLY113 funds$63.4B
Tesla IncTSLA113 funds$54.3B
Berkshire Hathaway Inc-CL BBRK/B113 funds$28.1B
Costco Wholesale CorpCOST113 funds$26.0B

Ranked by how many of MNKD's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MNKD.

Insider activity (Form 4)

Full insider page →
Sells · 180d
$663K
2 insiders
Net · 180d
-$663K
6 open-market transactions
DateInsiderRoleActionSharesValue
Sep 10, 2026Binder Steven B.DirectorSell (S)34K$128K
Aug 7, 2026Binder Steven B.DirectorSell (S)39K$159K
Jul 17, 2026Thomson DavidEVP Genl Counsel & SecretarySell (S)24K$98K
Jul 17, 2026Binder Steven B.DirectorSell (S)52K$213K
May 12, 2026Binder Steven B.DirectorSell (S)17K$56K
May 12, 2026Thomson DavidEVP Genl Counsel & SecretarySell (S)3K$10K
Mar 10, 2026Castagna MichaelChief Executive Officer, DirectorBuy (P)100K$259K
Jan 8, 2026Tross Stuart AChief People & Workpl OfficerSell (S)47K$298K
Dec 17, 2025Castagna MichaelChief Executive Officer, DirectorSell (S)66K$395K
Dec 16, 2025Castagna MichaelChief Executive Officer, DirectorSell (S)21K$128K
Dec 12, 2025Castagna MichaelChief Executive Officer, DirectorSell (S)21K$125K
Dec 2, 2025Thomson DavidEVP Genl Counsel & SecretarySell (S)148K$823K

Do institutions, insiders and Congress agree?

Mixed signals

Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.

SEC EDGAR 13F + Form 4 + US House STOCK Act{ }get_ticker_confluence · API & MCP

Signals by source

Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive

SourceBuyingSellingNet
13F funds
Top 100 holders by value, passive included; the hero counts active managers only
5329
Insiders
Form 4 open-market
02-$663K
US House
STOCK Act trades
00$0
Sector rotation
MNKD is in Health Care, which smart money is rotating OUT OF
$7.6B

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Institutional ownership over time

105 tracked filers in Q2 2026 filingsstill filing
0110220Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $210.4M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Share classes

Class13F holdersValue held
MNKDthis pagecs234 funds$699.2M
56400P201COM1 funds$193

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

15 most recent

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Connected entities for MNKD

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Ask your agent what changed in MNKD

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/MNKD/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for MNKD.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MNKD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.