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Buy Day today: Neutral (48) Mixed market breadth · no major macro event
MNTS

Momentus Inc

Industrials · Aerospace & Defense

4.00$ -4.7% vs. previous close Closing price · As of: Sep 28, 2026

Ownership

Ownership Structure

Who owns Momentus Inc (MNTS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.5% of the shares are freely tradable; institutional investors hold 12.4%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 12.4%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 0.5%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 99.5%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 7.5%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 22Mio.

Largest Shareholders

Institutions

Institutions MNTS
Name Stake (%) Shares Change (%) Date
Citadel Advisors Llc 1.34 294,365 +0.0 06/30/2026
Penserra Capital Management, LLC 0.59 130,405 +3,002.7 03/31/2026
Virtu Financial LLC 0.10 22,025 +0.0 03/31/2026
Geode Capital Management, LLC 0.10 21,770 +0.0 03/31/2026
GSA Capital Partners LLP 0.09 19,512 +0.0 06/30/2026

Funds

Funds MNTS
Name Stake (%) Shares Change (%) Date
Procure Space ETF 0.23 49,656 +0.0 08/31/2026
Fidelity Extended Market Index 0.22 48,329 -7.6 07/31/2026
Abante Quant Value FI 0.12 25,918 +0.0 07/31/2026
Fidelity Total Market Index 0.10 21,722 -0.1 07/31/2026
Fidelity Series Total Market Index 0.08 16,969 +0.0 07/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 28, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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