Ranked by reported Q2 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. | 24.0M | $1.20B | -24.1% | 12.818% | 0.02% |
| 2 | STATE STREET CORP | 9.1M | $451.9M | +1.7% | 4.834% | 0.01% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 8.4M | $421.3M | +2.1% | 4.506% | 0.01% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 8.0M | $398.2M | -7.7% | 4.259% | 0.02% |
| 5 | FIRST TRUST ADVISORS LP | 6.0M | $300.0M | +122.7% | 3.208% | 0.18% |
| 6 | ARK Investment Management LLC | 4.7M | $233.0M | +33.8% | 2.492% | 1.51% |
| 7 | Invesco Ltd. | 4.1M | $203.7M | -20.5% | 2.179% | 0.02% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.7M | $185.1M | -29.5% | 1.979% | 0.01% |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.7M | $182.6M | +68.1% | 1.953% | 0.01% |
| 10 | ALLIANCEBERNSTEIN L.P. | 2.2M | $157.3M | -7.9% | 1.189% | 0.05% |
| 11 | Hood River Capital Management LLC | 3.1M | $156.4M | +15.6% | 1.673% | 1.13% |
| 12 | VAN ECK ASSOCIATES CORP | 3.0M | $148.5M | -3.7% | 1.588% | 0.09% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 2.6M | $131.6M | +1.7% | 1.408% | 0.02% |
| 14 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.6M | $129.6M | -6.6% | 1.386% | 0.19% |
| 15 | Artisan Partners Limited Partnership | 2.4M | $117.7M | +141.3% | 1.259% | 0.19% |
| 16 | WELLINGTON MANAGEMENT GROUP LLP | 2.3M | $112.2M | -13.3% | 1.200% | 0.02% |
| 17 | MORGAN STANLEY | 2.2M | $110.2M | -12.0% | 1.179% | 0.01% |
| 18 | CITADEL ADVISORS LLC | 2.2M | $109.1M | +69.3% | 1.167% | 0.01% |
| 19 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.2M | $107.9M | -10.7% | 1.153% | 0.13% |
| 20 | JANE STREET GROUP, LLC | 2.0M | $98.7M | +89.5% | 1.056% | 0.01% |
| 21 | NORGES BANK | 1.9M | $94.2M | — | 1.008% | 0.01% |
| 22 | Rovida Investment Management Ltd | 1.8M | $88.5M | 0.0% | 0.946% | 6.03% |
| 23 | Stephens Investment Management Group LLC | 1.6M | $80.0M | +80.4% | 0.855% | 0.86% |
| 24 | MILLENNIUM MANAGEMENT LLC | 1.5M | $75.1M | +364.5% | 0.803% | 0.03% |
| 25 | VOYA INVESTMENT MANAGEMENT LLC | 1.5M | $74.0M | -32.3% | 0.791% | 0.06% |
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 Q2 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 |
|---|---|---|---|---|---|---|
| Q2 2026 | 629 | 11% | 85.26% | 5.88 pp | $7.82B | 32% |
| Q1 2026 | 704 | +7.8% | 91.14% | 1.88 pp | $11.48B | +0.9% |
| Q4 2025 | 653 | +5.8% | 93.02% | 1.79 pp | $11.38B | 18% |
| Q3 2025 | 617 | +28% | 94.81% | 5.04 pp | $13.80B | +86% |
| Q2 2025 | 481 | +26% | 99.85% | 1.16 pp | $7.43B | +71% |
| Q1 2025 | 382 | +13% | 101.01% | +13.94 pp | $4.34B | +35% |
| Q4 2024 | 337 | +7.3% | 87.07% | +2.05 pp | $3.21B | +15% |
| Q3 2024 | 314 | — | 85.02% | — | $2.79B | — |
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 Q2 2026 13F filings, institutional ownership of Kratos Defense & Security Solutions, Inc. stands at 85.3%, held across 629 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of KTOS, with approximately 24,035,367 shares worth $1.20B as of Q2 2026.
Yes — 5 widely-followed marquee investors appear among the top 25 institutional holders of KTOS, including ARK Investment Management LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC, JANE STREET GROUP, LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for KTOS is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
97 institutions opened new positions in KTOS during Q2 2026, while 179 fully exited. 103 added to existing positions and 408 trimmed.
KTOS institutional ownership fell by 5.88 percentage points quarter-over-quarter, with a net change of -75 holders.
The top 10 institutions account for 47.7% of all reported 13F value in KTOS, and the top 25 account for 68.6%.
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.
Kratos Defense & Security Solutions, Inc. (KTOS) Institutional Ownership