JACK Institutional Ownership & Shareholders
JACK IN THE BOX INC (JACK) is currently held by 132 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $290.36M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Nantahala Capital Management, Llc is currently the largest disclosed institutional shareholder of JACK tracked by InsiderSet, reporting ownership valued at approximately $27.33M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $23.86M, representing an estimated loss of -12.71% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed JACK value among the investors covered in this analysis. Major shareholders include Nantahala Capital Management, Llc, Callodine Capital Management, Lp, Biglari Capital Corp., and several other long-term asset managers with concentrated positions in JACK IN THE BOX INC (JACK).
This page ranks the largest institutional JACK shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
132
Total Reported Value
$290.36M
Largest Holder
Nantahala Capital Management, Llc
Largest Position
$27.33M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
102
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, Llc | 1.65% | 1,728,659 | $27,330,099 | $23,855,494 | -$3,474,605 | -12.71% | |
| Callodine Capital Management, Lp | 1.79% | 1,717,153 | $27,148,189 | $23,696,711 | -$3,451,478 | -12.71% | |
| Biglari Capital Corp. | 2.23% | 1,683,652 | $26,618,538 | $23,234,398 | -$3,384,140 | -12.71% | |
| Blackrock, Inc. | 0.00% | 1,342,305 | $21,221,840 | $18,523,809 | -$2,698,031 | -12.71% | |
| Bank Of America Corp | 0.00% | 1,164,421 | $18,409,496 | $16,069,010 | -$2,340,486 | -12.71% | |
| Vanguard Capital Management Llc | 0.00% | 826,459 | $13,066,317 | $11,405,134 | -$1,661,183 | -12.71% | |
| Allianz Asset Management Gmbh | 0.01% | 708,001 | $11,193,496 | $9,770,414 | -$1,423,082 | -12.71% | |
| Charles Schwab Investment Management Inc | 0.00% | 632,368 | $9,997,738 | $8,726,678 | -$1,271,060 | -12.71% | |
| Earnest Partners Llc | 0.03% | 552,367 | $8,732,922 | $7,622,665 | -$1,110,257 | -12.71% | |
| Lsv Asset Management | 0.01% | 515,379 | $8,148,000 | $7,112,230 | -$1,035,770 | -12.71% | |
| Geode Capital Management, Llc | 0.00% | 486,940 | $7,700,577 | $6,719,772 | -$980,805 | -12.74% | |
| Goldman Sachs Group Inc | 0.00% | 471,816 | $7,459,411 | $6,511,061 | -$948,350 | -12.71% | |
| Ubs Group Ag | 0.00% | 443,755 | $7,015,767 | $6,123,819 | -$891,948 | -12.71% | |
| Raymond James Financial Inc | 0.00% | 411,329 | $6,503,106 | $5,676,340 | -$826,766 | -12.71% | |
| Two Sigma Investments, Lp | 0.00% | 410,589 | $6,491,412 | $5,666,128 | -$825,284 | -12.71% | |
| State Street Corp | 0.00% | 393,498 | $6,221,203 | $5,430,272 | -$790,931 | -12.71% | |
| Jpmorgan Chase & Co | 0.00% | 366,056 | $6,076,529 | $5,051,573 | -$1,024,956 | -16.87% | |
| Manning & Napier Advisors Llc | 0.08% | 376,343 | $5,949,983 | $5,193,533 | -$756,450 | -12.71% | |
| Ipg Investment Advisors Llc | 0.72% | 385,832 | $5,100,699 | $5,324,482 | +$223,783 | +4.39% | |
| Envestnet Asset Management Inc | 0.00% | 239,609 | $3,788,220 | $3,306,604 | -$481,616 | -12.71% | |
| Biglari, Sardar | 5.10% | 200,617 | $3,171,755 | $2,768,515 | -$403,240 | -12.71% | |
| Wells Fargo & Company/Mn | 0.00% | 199,822 | $3,159,180 | $2,757,544 | -$401,636 | -12.71% | |
| Windward Management Lp | 2.09% | 182,404 | $2,883,807 | $2,517,175 | -$366,632 | -12.71% | |
| Vanguard Portfolio Management Llc | 0.00% | 174,478 | $2,758,497 | $2,407,796 | -$350,701 | -12.71% | |
| Seven Six Capital Management, Llc | 2.38% | 164,600 | $2,602,326 | $2,271,480 | -$330,846 | -12.71% | |
| Northern Trust Corp | 0.00% | 154,275 | $2,439,088 | $2,128,995 | -$310,093 | -12.71% | |
| D. E. Shaw & Co., Inc. | 0.00% | 151,978 | $2,402,772 | $2,097,296 | -$305,476 | -12.71% | |
| Invesco Ltd. | 0.00% | 138,752 | $2,193,668 | $1,914,778 | -$278,890 | -12.71% | |
| Quantinno Capital Management Lp | 0.00% | 137,625 | $2,175,851 | $1,899,225 | -$276,626 | -12.71% | |
| Aqr Capital Management Llc | 0.00% | 135,055 | $2,135,221 | $1,863,759 | -$271,462 | -12.71% | |
| Jane Street Group, Llc | 0.00% | 127,048 | $2,008,628 | $1,753,262 | -$255,366 | -12.71% | |
| Vanguard Fiduciary Trust Co | 0.00% | 126,647 | $2,002,289 | $1,747,729 | -$254,560 | -12.71% | |
| Nuveen, Llc | 0.00% | 117,311 | $1,854,687 | $1,618,892 | -$235,795 | -12.71% | |
| Morgan Stanley | 0.00% | 115,521 | $1,826,417 | $1,594,190 | -$232,227 | -12.71% | |
| Bank Of New York Mellon Corp | 0.00% | 108,066 | $1,708,522 | $1,491,311 | -$217,211 | -12.71% | |
| Stifel Financial Corp | 0.00% | 105,449 | $1,667,157 | $1,455,196 | -$211,961 | -12.71% | |
| Janus Henderson Group Plc | 0.00% | 169,280 | $1,636,938 | $2,336,064 | +$699,126 | +42.71% | |
| Graham Capital Management, L.P. | 0.04% | 94,085 | $1,487,484 | $1,298,373 | -$189,111 | -12.71% | |
| Engineers Gate Manager Lp | 0.02% | 78,551 | $1,241,891 | $1,084,004 | -$157,887 | -12.71% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 63,400 | $1,002,354 | $874,920 | -$127,434 | -12.71% | |
| Atom Investors Lp | 0.09% | 62,737 | $991,872 | $865,771 | -$126,101 | -12.71% | |
| Susquehanna International Group, Llp | 0.00% | 49,285 | $779,196 | $680,133 | -$99,063 | -12.71% | |
| Cetera Investment Advisers | 0.00% | 45,124 | $713,404 | $622,711 | -$90,693 | -12.71% | |
| Numerai Gp Llc | 0.06% | 44,526 | $703,956 | $614,459 | -$89,497 | -12.71% | |
| Price T Rowe Associates Inc | 0.00% | 39,376 | $623,000 | $543,389 | -$79,611 | -12.78% | |
| Imc-Chicago, Llc | 0.01% | 39,076 | $617,792 | $539,249 | -$78,543 | -12.71% | |
| Headlands Technologies Llc | 0.06% | 38,740 | $612,479 | $534,612 | -$77,867 | -12.71% | |
| Point72 Asset Management, L.P. | 0.00% | 35,591 | $562,694 | $491,156 | -$71,538 | -12.71% | |
| Citadel Advisors Llc | 0.00% | 34,966 | $552,812 | $482,531 | -$70,281 | -12.71% | |
| Bridgeway Capital Management, Llc | 0.01% | 32,700 | $516,987 | $451,260 | -$65,727 | -12.71% |
Frequently asked questions about JACK
Who are the largest institutional holders of JACK?
The largest institutional holders of JACK reported in the latest SEC Form 13F filings include Nantahala Capital Management, Llc, Callodine Capital Management, Lp, Biglari Capital Corp., Blackrock, Inc., and Bank Of America Corp. InsiderSet ranks institutional holders by their latest reported JACK position.
What is JACK institutional ownership?
This page tracks JACK positions reported by institutional investment managers through SEC Form 13F. JACK IN THE BOX INC (JACK) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own JACK?
InsiderSet currently tracks 132 institutional managers reporting JACK holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of JACK shareholders.
How much JACK stock do institutions own?
Institutional investment managers disclosed approximately $290.36M in JACK holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was JACK institutional ownership last updated?
The latest JACK institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional JACK holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its JACK position after the reporting date.
Are institutions buying or selling JACK?
Institutional buying and selling can be analyzed by comparing JACK positions across consecutive 13F reporting periods. InsiderSet's JACK Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View JACK ownership changes.
How has JACK institutional ownership changed over time?
InsiderSet tracks JACK institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.