Klotho Neurosciences, Inc.
Klotho Neurosciences, Inc. (KLTO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KLTO · as of Sep 30, 2025
Ownership Breakdown
19
Institutional Holders
▲ 1 vs Q2
$872,538
Total Inst. Value
▼ $121,941 vs Q2
52.70M
Shares Outstanding
freeFloat 76.38%
1.80M
13F Shares Held
▲ 919,517 vs Q2
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
KLTO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC | 588.3K | 99.02% | 99.02% | $285.35M | Nov 7, 2025 | ▲ 275.8K |
GEODE CAPITAL MANAGEMENT, LLC | 323.9K | 54.52% | 54.52% | $156.97M | Nov 12, 2025 | ▲ 178.8K |
NORTHERN TRUST CORP | 218.8K | 36.82% | 36.82% | $106.02M | Nov 14, 2025 | ▲ 151.6K |
STATE STREET CORP | 196.4K | 33.05% | 33.05% | $95.17M | Nov 14, 2025 | ▲ 136.4K |
BLACKROCK, INC. | 143.5K | 24.14% | 24.14% | $69.52M | Nov 12, 2025 | NEW |
MORGAN STANLEY | 100.0K | 16.83% | 16.83% | $48.46M | May 27, 2026 | ▼ 2.0K |
XTX TOPCO LTD | 79.8K | 13.43% | 13.43% | $38.67M | Nov 14, 2025 | ▲ 79.8K |
UBS GROUP AG | 39.5K | 6.64% | 6.64% | $19.15M | Nov 13, 2025 | ▲ 5.2K |
TWO SIGMA INVESTMENTS, LP | 36.6K | 6.16% | 6.16% | $17.72M | Nov 14, 2025 | NEW |
LPL FINANCIAL LLC | 19.0K | 3.20% | 3.20% | $9.21M | Nov 12, 2025 | NEW |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
7
Increased
+828.0K shares7
New Positions
first time holders3
Decreased
−3.4K shares5
Sold Out
fully exitedNet shares change (top 50)
+824.6K
+828.0K / −3.4K
Net new holders
+6
7 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KLTO insider trading · insider activity
Source: SEC Form 4
6
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
LeBlanc Jeff Chief Financial Officer | Mar 4, 2026 | Award | 2,500,000 | — | — | 3.42M | Form 4 ↗ |
El-Dada Riad Hussein director | Mar 4, 2026 | Award | 350,000 | — | — | 350.0K | Form 4 ↗ |
ZENTMAN SAMUEL M director | Mar 4, 2026 | Award | 350,000 | — | — | 1.09M | Form 4 ↗ |
Hirschman Shalom director | Mar 4, 2026 | Award | 350,000 | — | — | 908.9K | Form 4 ↗ |
McGarity Jon director | Mar 4, 2026 | Award | 350,000 | — | — | 411.3K | Form 4 ↗ |
SINKULE JOSEPH Chief Executive Officer | Mar 4, 2026 | Award | 2,500,000 | — | — | 6.35M | Form 4 ↗ |
McGarity Jon director | Dec 10, 2025 | Award | 20,000 | $0.41 | $8.2K | 60.0K | Form 4 ↗ |
ZENTMAN SAMUEL M director | Dec 10, 2025 | Award | 20,000 | $0.41 | $8.2K | 60.0K | Form 4 ↗ |
El-Dada Riad Hussein director | Dec 10, 2025 | Award | 20,000 | $0.41 | $8.2K | 60.0K | Form 4 ↗ |
SINKULE JOSEPH Chief Executive Officer | Sep 25, 2025 | J-Other | 400,000 | — | — | 4.85M | Form 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
Klotho Neurosciences, Inc. (KLTO) is primarily owned by institutional investors, who hold approximately 3.4% of total shares outstanding. Company insiders own approximately 23.62%, while retail and public investors account for the remaining 72.97%.
The largest institutional shareholder of Klotho Neurosciences, Inc. is VANGUARD GROUP INC, holding approximately 588,342 shares — equal to 99.02% of outstanding shares — as of September 30, 2025.
A total of 19 institutional investors currently hold KLTO stock, with a combined institutional value of approximately $872,538 as of the most recent 13F filing period.
Frequently asked questions
KLTO ownershipKlotho Neurosciences, Inc. (KLTO) is primarily owned by institutional investors, who hold approximately 3.4% of shares. The largest shareholder is VANGUARD GROUP INC with a 99.02% stake. Company insiders hold 23.62%. Data sourced from SEC Form 13F as of September 30, 2025.