Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in JBI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 20.8M | $107.3M | +18.4% | 15.271% | 0.01% |
| 2 | BlackRock, Inc. | 10.0M | $51.6M | +1.1% | 7.349% | 0.00% |
| 3 | COOKE & BIELER LP | 7.8M | $40.1M | +0.5% | 5.707% | 0.45% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 6.0M | $31.1M | β | 4.423% | 0.00% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 5.8M | $30.1M | β | 4.288% | 0.00% |
| 6 | River Road Asset Management, LLC | 4.5M | $23.2M | -1.5% | 3.300% | 0.26% |
| 7 | AMERIPRISE FINANCIAL INC | 4.4M | $22.6M | +1.1% | 3.218% | 0.01% |
| 8 | DIMENSIONAL FUND ADVISORS LP | 4.2M | $21.7M | +12.7% | 3.083% | 0.00% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 3.3M | $17.1M | +2.2% | 2.433% | 0.00% |
| 10 | STATE STREET CORP | 3.1M | $15.9M | +0.4% | 2.261% | 0.00% |
| 11 | Allspring Global Investments Holdings, LLC | 2.9M | $14.5M | -4.4% | 2.096% | 0.02% |
| 12 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.7M | $14.1M | +3.5% | 2.001% | 0.05% |
| 13 | DAVENPORT & Co LLC | 2.6M | $13.5M | +15.3% | 1.927% | 0.07% |
| 14 | Gumshoe Capital Management LLC | 2.5M | $12.6M | β | 1.799% | 10.27% |
| 15 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.9M | $9.6M | -11.1% | 1.371% | 0.07% |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8M | $9.1M | -3.5% | 1.294% | 0.00% |
| 17 | Bank of New York Mellon Corp | 1.7M | $8.8M | -5.2% | 1.260% | 0.00% |
| 18 | ROYCE & ASSOCIATES LP | 1.5M | $7.8M | +14.6% | 1.108% | 0.08% |
| 19 | RBF Capital, LLC | 1.4M | $7.2M | +33.6% | 1.028% | 0.38% |
| 20 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1.4M | $7.2M | +7.6% | 1.020% | 0.02% |
| 21 | First Eagle Investment Management, LLC | 1.4M | $7.1M | +0.7% | 1.015% | 0.01% |
| 22 | MORGAN STANLEY | 1.3M | $6.7M | -13.5% | 0.956% | 0.00% |
| 23 | ANCHOR CAPITAL MANAGEMENT COMPANY, LLC | 1.2M | $6.2M | 0.0% | 0.887% | 6.72% |
| 24 | NORTHERN TRUST CORP | 1.2M | $6.0M | +5.9% | 0.848% | 0.00% |
| 25 | BANK OF AMERICA CORP /DE/ | 917K | $4.7M | +13.5% | 0.672% | 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 JBI β a direct measure of their conviction.
Filings activity in JBI during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new JBI position in Q1 2026
Institutions that fully closed their JBI position in Q1 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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 197 | 4.4% | 82.46% | 39.76 pp | $602M | 33% |
| Q4 2025 | 206 | +3.0% | 122.22% | 58.87 pp | $892M | 33% |
| Q3 2025 | 200 | 1.0% | 181.09% | +28.06 pp | $1.32B | +18% |
| Q2 2025 | 202 | 1.9% | 153.03% | +11.95 pp | $1.12B | +8.5% |
| Q1 2025 | 206 | +13% | 141.08% | 5.39 pp | $1.03B | 3.7% |
| Q4 2024 | 183 | 11% | 146.47% | 46.18 pp | $1.07B | 24% |
| Q3 2024 | 205 | 8.5% | 192.65% | 7.34 pp | $1.41B | 24% |
| Q2 2024 | 224 | β | 199.99% | β | $1.85B | 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.
Quick answers to the most common questions about buying JBI stock.
Based on Q1 2026 13F filings, institutional ownership of Janus International Group, Inc. stands at 82.5%, held across 197 reporting institutions.
FMR LLC is the largest reported institutional holder of JBI, with approximately 20,828,711 shares worth $0.11B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of JBI.
Our composite Smart Money Score for JBI is 22 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
44 institutions opened new positions in JBI during Q1 2026, while 53 fully exited. 29 added to existing positions and 123 trimmed.
JBI institutional ownership fell by 39.76 percentage points quarter-over-quarter, with a net change of -9 holders.
The top 10 institutions account for 59.9% of all reported 13F value in JBI, and the top 25 account for 82.4%.
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.
Janus International Group, Inc. (JBI) Institutional Ownership