Companies: 10,795·Total market cap: $144.5T
Manhattan Scientifics, Inc.

Manhattan Scientifics, Inc.

MHTXOTCHealthcare● Active
$0.00
+$0.00(+0.00%)
Market Cap$11186
P/E Ratio
52W High$0.0001
52W Low$0.00002

Manhattan Scientifics, Inc. (MHTX) Stock Ownership

Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.

SEC 13F · FMP · MHTX · as of Dec 31, 2024

Ownership Breakdown

Institutions 0.12%
Insiders 15.22%
Public 84.66%

1

Institutional Holders

▲ 1 vs Q3

$387

Total Inst. Value

▲ $387 vs Q3

559.28M

Shares Outstanding

freeFloat 84.78%

645,000

13F Shares Held

▲ 645,000 vs Q3

Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.

Top Institutional Holders

MHTX largest shareholders · institutional ownership

Q4 2024 · SEC 13F

Showing top 1 holders

HolderShares% OwnedWeightValueReportedChange

SVB WEALTH LLC

miscellaneous electrical machinery, equipment & supplies

645.0K11.53%

11.53%

$387,000Feb 5, 2025 645.0K

Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).

Institutional Activity

Q4 2024 vs prior quarter

Q4 2024

Net institutional sentimentBullish — more buying than selling

1

Increased

+645.0K shares

0

New Positions

first time holders

0

Decreased

−0 shares

0

Sold Out

fully exited

Net shares change (top 50)

+645.0K

+645.0K / −0

Net new holders

+1

0 new / 0 exited

Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).

Insider Buying vs Selling

MHTX insider trading · insider activity

Source: SEC Form 4

Buy 100%Active transactions only0% Sell

Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.

4

Buy transactions

0

Sell transactions

0.00

Buy/Sell ratio

$0M

Total disposed

Recent Insider Transactions

Showing 10 most recent · Common Stock only

Name · RoleDateTypeSharesPriceValueAfter Trans.Filing

Theoharis Chris

Treasurer

Jun 30, 2016Award500,000$0.06$29.9K500.0KForm 4 ↗

Theoharis Chris

Treasurer

Jun 30, 2015Award500,000$0.08$40.0K500.0KForm 4 ↗

SCHATZ LARRY H

director

Jun 30, 2016Award500,000$0.06$29.9K500.0KForm 4 ↗

SCHATZ LARRY H

director

Jun 30, 2015Award500,000$0.08$40.0K500.0KForm 4 ↗

Friedman Leonard

Secretary

Jun 30, 2016Award500,000$0.06$29.9K500.0KForm 4 ↗

Friedman Leonard

Secretary

Jun 30, 2015Award500,000$0.08$40.0K500.0KForm 4 ↗

Georgiou Photios Frank

director

Jun 30, 2015Award500,000$0.08$40.0K500.0KForm 4 ↗

Georgiou Photios Frank

director

Jun 30, 2016Award500,000$0.06$29.9K500.0KForm 4 ↗

Theoharis Chris

Treasurer

Sep 24, 2015Purchase20,000$0.10$2.1K4.45MForm 4 ↗

Theoharis Chris

Treasurer

Jun 30, 2015Award500,000$0.04$21.3K500.0KForm 4 ↗

Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.

About institutional & insider ownership

Manhattan Scientifics, Inc. (MHTX) is primarily owned by institutional investors, who hold approximately 0.1% of total shares outstanding. Company insiders own approximately 15.22%, while retail and public investors account for the remaining 84.66%.

The largest institutional shareholder of Manhattan Scientifics, Inc. is SVB WEALTH LLC, holding approximately 645,000 shares — equal to 11.53% of outstanding shares — as of December 31, 2024.

A total of 1 institutional investors currently hold MHTX stock, with a combined institutional value of approximately $387 as of the most recent 13F filing period.

Frequently asked questions

MHTX ownership

Manhattan Scientifics, Inc. (MHTX) is primarily owned by institutional investors, who hold approximately 0.1% of shares. The largest shareholder is SVB WEALTH LLC with a 11.53% stake. Company insiders hold 15.22%. Data sourced from SEC Form 13F as of December 31, 2024.

who owns MHTX stockMHTX ownership structureSEC Form 13F institutional holdingsMHTX float vs institutions
Source: FMP · SEC Form 13F · SEC Form 4As of December 31, 2024