Janus International Group, Inc.
Janus International Group, Inc. (JBI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · JBI · as of Sep 30, 2025
Ownership Breakdown
210
Institutional Holders
▲ 5 vs Q2
$1.34B
Total Inst. Value
▲ $207.35M vs Q2
136.39M
Shares Outstanding
freeFloat 95.39%
136.12M
13F Shares Held
▼ 2.88M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
JBI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC metal doors, sash, frames, moldings & trim | 17.83M | 12.75% | 12.75% | $175.98B | Nov 13, 2025 | ▼ 290.4K |
VANGUARD GROUP INC metal doors, sash, frames, moldings & trim | 12.87M | 9.21% | 9.21% | $127.03B | Nov 7, 2025 | ▼ 268.8K |
BLACKROCK, INC. metal doors, sash, frames, moldings & trim | 9.91M | 7.09% | 7.09% | $97.80B | Nov 12, 2025 | ▼ 94.1K |
COOKE & BIELER LP metal doors, sash, frames, moldings & trim | 6.87M | 4.92% | 4.92% | $67.83B | Oct 31, 2025 | ▼ 454.0K |
JPMORGAN CHASE & CO metal doors, sash, frames, moldings & trim | 5.77M | 4.13% | 4.13% | $56.94B | Nov 26, 2025 | ▼ 1.52M |
WASATCH ADVISORS LP metal doors, sash, frames, moldings & trim | 5.26M | 3.76% | 3.76% | $51.94B | Nov 14, 2025 | ▲ 1.44M |
RIVER ROAD ASSET MANAGEMENT, LLC metal doors, sash, frames, moldings & trim | 4.47M | 3.20% | 3.20% | $44.15B | Nov 12, 2025 | ▼ 743.5K |
JANUS HENDERSON GROUP PLC metal doors, sash, frames, moldings & trim | 4.28M | 3.06% | 3.06% | $42.20B | Nov 14, 2025 | ▲ 1.17M |
AMERIPRISE FINANCIAL INC metal doors, sash, frames, moldings & trim | 3.80M | 2.72% | 2.72% | $37.51B | Nov 14, 2025 | ▼ 303.3K |
DIMENSIONAL FUND ADVISORS LP metal doors, sash, frames, moldings & trim | 3.65M | 2.61% | 2.61% | $36.07B | Nov 12, 2025 | ▲ 48.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
22
Increased
+5.48M shares2
New Positions
first time holders24
Decreased
−7.54M shares0
Sold Out
fully exitedNet shares change (top 50)
2.06M
+5.48M / −7.54M
Net new holders
+0
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
JBI insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
2
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
KAHLER ELLIOT HOUSMAN General Counsel, Corp Sec. | Apr 1, 2026 | Tax Withhold | 589 | $5.06 | $3.0K | 100.8K | Form 4 ↗ |
Castillo Rebecca VP, Human Resources. | Apr 1, 2026 | Tax Withhold | 589 | $5.06 | $3.0K | 68.6K | Form 4 ↗ |
WONG ANSELM CFO, EVP | Mar 19, 2026 | Tax Withhold | 54,166 | $5.37 | $290.9K | 430.2K | Form 4 ↗ |
WONG ANSELM CFO, EVP | Mar 21, 2026 | Tax Withhold | 4,575 | $5.25 | $24.0K | 425.6K | Form 4 ↗ |
Nettie Norman V EVP, Corporate Operations | Mar 19, 2026 | Tax Withhold | 1,917 | $5.37 | $10.3K | 355.1K | Form 4 ↗ |
Nettie Norman V EVP, Corporate Operations | Mar 21, 2026 | Tax Withhold | 1,408 | $5.25 | $7.4K | 353.7K | Form 4 ↗ |
VANEVENHOVEN DAVID Chief Accounting Officer | Mar 19, 2026 | Tax Withhold | 950 | $5.37 | $5.1K | 41.4K | Form 4 ↗ |
VANEVENHOVEN DAVID Chief Accounting Officer | Mar 21, 2026 | Tax Withhold | 704 | $5.25 | $3.7K | 40.7K | Form 4 ↗ |
KAHLER ELLIOT HOUSMAN General Counsel, Corp Sec. | Mar 19, 2026 | Tax Withhold | 3,142 | $5.37 | $16.9K | 102.1K | Form 4 ↗ |
KAHLER ELLIOT HOUSMAN General Counsel, Corp Sec. | Mar 21, 2026 | Tax Withhold | 704 | $5.25 | $3.7K | 101.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Janus International Group, Inc. (JBI) is primarily owned by institutional investors, who hold approximately 99.8% of total shares outstanding. Company insiders own approximately 4.61%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Janus International Group, Inc. is FMR LLC, holding approximately 17.83 million shares — equal to 12.75% of outstanding shares — as of September 30, 2025.
A total of 210 institutional investors currently hold JBI stock, with a combined institutional value of approximately $1.34 billion as of the most recent 13F filing period.
Frequently asked questions
JBI ownershipJanus International Group, Inc. (JBI) is primarily owned by institutional investors, who hold approximately 99.8% of shares. The largest shareholder is FMR LLC with a 12.75% stake. Company insiders hold 4.61%. Data sourced from SEC Form 13F as of September 30, 2025.