Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MNTS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | 850K | $5.7M | β | 7.151% | 0.07% |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 426K | $2.9M | β | 3.587% | 0.00% |
| 3 | BlackRock, Inc. | 352K | $2.4M | +817351.2% | 2.957% | 0.00% |
| 4 | CITADEL ADVISORS LLC | 348K | $2.3M | β | 2.926% | 0.00% |
| 5 | Weiss Asset Management LP | 179K | $1.2M | β | 1.509% | 0.01% |
| 6 | Jefferies Financial Group Inc. | 146K | $981K | β | 1.228% | 0.01% |
| 7 | UBS Group AG | 142K | $957K | +2249.9% | 1.198% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 119K | $798K | +445.3% | 0.999% | 0.00% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 116K | $778K | +5094.2% | 0.974% | 0.00% |
| 10 | JANE STREET GROUP, LLC | 105K | $706K | β | 0.884% | 0.00% |
| 11 | STATE STREET CORP | 74K | $498K | β | 0.624% | 0.00% |
| 12 | VANGUARD FIDUCIARY TRUST CO | 54K | $365K | +1872.5% | 0.457% | 0.00% |
| 13 | NORTHERN TRUST CORP | 22K | $151K | β | 0.189% | 0.00% |
| 14 | LPL Financial LLC | 21K | $140K | β | 0.175% | 0.00% |
| 15 | Engineers Gate Manager LP | 15K | $103K | β | 0.129% | 0.00% |
| 16 | Parisi Gray Wealth Management | 12K | $82K | β | 0.102% | 0.02% |
| 17 | Pure Financial Advisors, LLC | 10K | $67K | β | 0.084% | 0.00% |
| 18 | Legacy Capital Wealth Partners, LLC | 10K | $67K | β | 0.084% | 0.01% |
| 19 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 10K | $65K | β | 0.084% | 0.00% |
| 20 | OSAIC HOLDINGS, INC. | 8K | $51K | +8754.1% | 0.063% | 0.00% |
| 21 | Vanguard Global Advisers, LLC | 6K | $38K | β | 0.048% | 0.00% |
| 22 | MORGAN STANLEY | 5K | $31K | β | 0.038% | 0.00% |
| 23 | SBI Securities Co., Ltd. | 3K | $22K | +531.3% | 0.027% | 0.00% |
| 24 | SIMPLEX TRADING, LLC | 2K | $16K | β | 0.021% | 0.00% |
| 25 | Global Retirement Partners, LLC | 2K | $13K | β | 0.016% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MNTS β a direct measure of their conviction.
Filings activity in MNTS during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new MNTS position in Q2 2026
Institutions that fully closed their MNTS position in Q2 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 46 | +229% | 26.33% | +26.02 pp | $20M | +14896% |
| Q1 2026 | 14 | +0.0% | 0.31% | 0.22 pp | $0M | 52% |
| Q4 2025 | 14 | 36% | 0.53% | +0.44 pp | $0M | +9.2% |
| Q3 2025 | 22 | 8.3% | 0.09% | 0.35 pp | $0M | 77% |
| Q2 2025 | 24 | +4.3% | 0.44% | +0.19 pp | $1M | +6.2% |
| Q1 2025 | 23 | 4.2% | 0.25% | +0.12 pp | $1M | 50% |
| Q4 2024 | 24 | 23% | 0.13% | +0.11 pp | $2M | +958% |
| Q3 2024 | 31 | β | 0.02% | β | $0M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 21, 2026 | Hadfield Chris | Buy | 2K | $7.19 | $14K |
| May 15, 2026 | Kabot Brian | Buy | 2K | $5.40 | $10K |
Institutional ownership and quarterly buying activity across the largest Space & Satellites peers.
| Ticker | Company | Market Cap | Inst. Ownership | Holders | Net Buyers β Sellers |
|---|---|---|---|---|---|
| SPCX | Space Exploration Technologies Corp. | $1.82T | 0.0% | 20 | +15 |
Quick answers to the most common questions about buying MNTS stock.
Based on Q2 2026 13F filings, institutional ownership of Momentus Inc. stands at 26.3%, held across 46 reporting institutions.
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP is the largest reported institutional holder of MNTS, with approximately 850,000 shares worth $0.01B as of Q2 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of MNTS, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, JANE STREET GROUP, LLC.
Our composite Smart Money Score for MNTS is 87 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
35 institutions opened new positions in MNTS during Q2 2026, while 4 fully exited. 9 added to existing positions and 1 trimmed.
MNTS institutional ownership rose by 26.02 percentage points quarter-over-quarter, with a net change of +32 holders.
The top 10 institutions account for 91.4% of all reported 13F value in MNTS, and the top 25 account for 99.7%.
Across the largest Space & Satellites peers, institutional ownership levels are: SPCX (0.0%). See the peer comparison table on this page for net buyer activity by company.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Momentus Inc. (MNTS) Institutional Ownership