Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in KTOS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 31.7M | $2.23B | +11.7% | 16.885% | 0.04% |
| 2 | STATE STREET CORP | 8.9M | $628.3M | +8.8% | 4.752% | 0.02% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.7M | $609.9M | — | 4.613% | 0.03% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 8.3M | $583.5M | — | 4.413% | 0.01% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 5.3M | $371.2M | +18.4% | 2.807% | 0.02% |
| 6 | Invesco Ltd. | 5.1M | $362.3M | +90.1% | 2.740% | 0.06% |
| 7 | FRANKLIN RESOURCES INC | 4.0M | $280.5M | -0.5% | 2.121% | 0.07% |
| 8 | ARK Investment Management LLC | 3.5M | $246.2M | +1.1% | 1.862% | 1.91% |
| 9 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.8M | $196.2M | +7.8% | 1.484% | 0.34% |
| 10 | Hood River Capital Management LLC | 2.7M | $191.4M | -1.1% | 1.448% | 1.92% |
| 11 | FIRST TRUST ADVISORS LP | 2.7M | $190.5M | -5.3% | 1.441% | 0.14% |
| 12 | Jericho Capital Asset Management L.P. | 2.6M | $186.8M | — | 1.413% | 2.76% |
| 13 | ALLIANCEBERNSTEIN L.P. | 2.4M | $183.8M | -15.6% | 1.291% | 0.06% |
| 14 | WELLINGTON MANAGEMENT GROUP LLP | 2.6M | $183.0M | +585.5% | 1.384% | 0.03% |
| 15 | DIMENSIONAL FUND ADVISORS LP | 2.6M | $182.9M | -8.2% | 1.384% | 0.04% |
| 16 | MORGAN STANLEY | 2.5M | $177.2M | -24.1% | 1.340% | 0.01% |
| 17 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.4M | $170.8M | +44.1% | 1.292% | 0.23% |
| 18 | VOYA INVESTMENT MANAGEMENT LLC | 2.2M | $154.7M | +59.6% | 1.170% | 0.16% |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.2M | $153.7M | +64.4% | 1.162% | 0.02% |
| 20 | NORTHERN TRUST CORP | 2.1M | $149.9M | +8.4% | 1.134% | 0.02% |
| 21 | Rovida Investment Management Ltd | 1.8M | $125.0M | 0.0% | 0.946% | 15.68% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6M | $111.9M | +5.9% | 0.846% | 0.02% |
| 23 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1.6M | $110.2M | +25.5% | 0.834% | 0.46% |
| 24 | Clearbridge Investments, LLC | 1.5M | $108.5M | +5.6% | 0.821% | 0.09% |
| 25 | Bank of New York Mellon Corp | 1.5M | $106.9M | +12.2% | 0.808% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in KTOS — a direct measure of their conviction.
Filings activity in KTOS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 686 | +6.5% | 104.39% | +0.29 pp | $11.30B | +0.3% |
| Q4 2025 | 644 | +7.0% | 104.10% | 18.85 pp | $11.27B | 15% |
| Q3 2025 | 602 | +25% | 122.95% | +54.32 pp | $13.31B | +79% |
| Q2 2025 | 481 | +26% | 68.63% | +28.60 pp | $7.43B | +71% |
| Q1 2025 | 382 | +13% | 40.03% | +10.42 pp | $4.34B | +35% |
| Q4 2024 | 337 | +7.3% | 29.61% | +3.84 pp | $3.21B | +15% |
| Q3 2024 | 314 | +0.3% | 25.77% | 0.53 pp | $2.79B | 2.0% |
| Q2 2024 | 313 | — | 26.30% | — | $2.85B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying KTOS stock.
Based on Q1 2026 13F filings, institutional ownership of Kratos Defense & Security Solutions, Inc. stands at 104.4%, held across 686 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of KTOS, with approximately 31,663,184 shares worth $2.23B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of KTOS, including ARK Investment Management LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for KTOS is 68 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
141 institutions opened new positions in KTOS during Q1 2026, while 99 fully exited. 213 added to existing positions and 326 trimmed.
KTOS institutional ownership rose by 0.29 percentage points quarter-over-quarter, with a net change of +42 holders.
The top 10 institutions account for 50.4% of all reported 13F value in KTOS, and the top 25 account for 70.7%.
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.