Jack in the Box Inc. (JACK) Ownership

NASDAQ: JACKTop holders, insider trades and short interest.

JACK ownership summary

as of October 18, 2026
Institutions
107.6%
of shares outstanding
Insiders
9.52%
of shares outstanding
Shares outstanding
19.2M
Float
12.4M
shares available to trade
Short interest
33.60%
6.3M shares short
Days to cover
11.47
short interest up 2.7% vs prior month
  • Institutions 107.57%
  • Insiders 9.52%

JACK top institutional holders

20 largest
Jack in the Box Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Nantahala Capital Management, LLC18.03%3.5M$42.1M+1.9M (+124.1%)June 30, 2026
2Callodine Capital Management, LP8.95%1.7M$20.9M−43,317 (−2.5%)June 30, 2026
3Biglari Capital Corp.8.78%1.7M$20.5M—June 30, 2026
4BlackRock Inc7.00%1.3M$16.4M+60,689 (+4.7%)June 30, 2026
5Bank of America Corp6.07%1.2M$14.2M+541,642 (+87.0%)June 30, 2026
6Vanguard Capital Management, LLC4.31%826K$10.1M+9,814 (+1.2%)June 30, 2026
7Allianz Asset Management AG3.69%708K$8.6M+201,604 (+39.8%)June 30, 2026
8Charles Schwab Investment Management Inc3.30%632K$7.7M−63,708 (−9.2%)June 30, 2026
9Earnest Partners LLC2.88%552K$6.7M+238,476 (+76.0%)June 30, 2026
10LSV Asset Management2.69%515K$6.3M−48,682 (−8.6%)June 30, 2026
11Geode Capital Management, LLC2.54%487K$5.9M+66,188 (+15.7%)June 30, 2026
12The Goldman Sachs Group Inc2.46%472K$5.8M+373,524 (+380.0%)June 30, 2026
13Ipg Investment Advisors, LLC2.45%469K$5.7M−66,996 (−12.5%)June 30, 2026
14UBS Group AG2.31%444K$5.4M+365,161 (+464.6%)June 30, 2026
15Two Sigma Investments LLC2.14%411K$5.0M+353,191 (+615.3%)June 30, 2026
16State Street Corp2.05%393K$4.8M+3,185 (+0.8%)June 30, 2026
17Manning & Napier Advisors, LLC1.96%376K$4.6M—June 30, 2026
18JPMorgan Chase & Co1.91%366K$4.5M+8,262 (+2.3%)June 30, 2026
19BIGLARI, SARDAR1.05%201K$2.4M—June 30, 2026
20Wells Fargo & Co1.04%200K$2.4M+86,124 (+75.7%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 4.2M shares and 4 cut 223K.

JACK top mutual fund and ETF holders

20 largest
Jack in the Box Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.06%587K$7.2M—August 31, 2026
2iShares Russell 2000 ETF2.45%471K$5.7M−5,440 (−1.1%)September 30, 2026
3PIMCO RAE US Small Instl2.40%460K$5.6M+113,572 (+32.8%)June 30, 2026
4Manning & Napier Callodine Equity Inc Z1.96%376K$4.6M—September 30, 2026
5Schwab Fundamental U.S. Small CompanyETF1.93%370K$4.5M+525 (+0.1%)September 30, 2026
6OPORT2 A1.50%287K$3.5M—September 30, 2026
7Fidelity Small Cap Index1.02%196K$2.4M+985 (+0.5%)July 31, 2026
8iShares Russell 2000 Value ETF0.82%158K$1.9M+240 (+0.2%)September 30, 2026
9Invesco RAFI US 1500 Small-Mid ETF0.62%119K$1.5M—September 30, 2026
10Vanguard Russell 2000 ETF0.54%104K$1.3M+615 (+0.6%)September 30, 2026
11Schwab US Small-Cap ETF™0.53%102K$1.2M+63 (+0.1%)September 30, 2026
12JPMorgan Small Cap Value I0.53%102K$1.2M—August 31, 2026
13Schwab Fundamental US Small Company Idx0.50%96K$1.2M−5,732 (−5.6%)September 30, 2026
14Fidelity Extended Market Index0.49%93K$1.1M+199 (+0.2%)August 31, 2026
15ROMC Trust Series F0.42%80K$975,200+20,000 (+33.3%)December 31, 2025
16JPMorgan US Small Company L0.41%78K$954,526+2,025 (+2.7%)August 31, 2026
17iShares Micro-Cap ETF0.30%57K$690,112−390 (−0.7%)September 30, 2026
18Vanguard Consumer Discretionary ETF0.28%53K$648,069—September 30, 2026
19Schwab Small Cap Index0.23%44K$532,094—August 31, 2026
20Goldman Sachs Small Cap Eq Insghts Instl0.23%43K$528,363+43,344 (0.0%)July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

JACK insider transactions

latest 17
Jack in the Box Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-01-28Lance F TuckerSell$21.833,150$68,764
2025-12-30Richard D CookSell$19.46292$5,682
2025-12-30Sarah L SuperSell$19.46434$8,446
2025-12-30Steven PianoSell$19.46254$4,943
2025-12-17Richard D CookSell$20.27177$3,588
2025-12-17Sarah L SuperSell$20.27211$4,277
2025-12-17Steven PianoSell$20.27163$3,304
2025-12-09Van IngramSell$19.06127$2,421
2025-12-03Carl MountSell$19.08518$9,883
2025-12-03Van IngramSell$19.08351$6,697
2025-12-03Steven PianoSell$19.081,491$28,448
2025-12-03Sarah L SuperSell$19.082,114$40,335
2025-12-03Richard D CookSell$19.081,787$34,096
2025-11-25Carl MountSell$19.001,393$26,467
2025-11-24Lance F TuckerBuy$17.295,000$86,450
2025-11-04Richard D CookSell$16.38154$2,523
2025-05-13Steven PianoSell$29.07152$4,419

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

JACK shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns JACK

Institutional investors own 107.6% of Jack in the Box's shares and insiders 9.52%. The largest holder is Nantahala Capital Management, LLC with 18.03% of the shares (3.5M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 4 reduced their stake in the latest filings. Short interest is 33.60% of the float, or 11.47 days of average trading volume. The share count fell 51.2% since 2014.

Related: JACK analyst forecast, JACK key metrics, JACK dividend history. See the JACK stock overview for the latest quote and news.

JACK ownership FAQ

Who owns the most Jack in the Box stock?

The largest shareholders of Jack in the Box are Nantahala Capital Management, LLC (18.03%), Callodine Capital Management, LP (8.95%), Biglari Capital Corp. (8.78%), BlackRock Inc (7.00%), Bank of America Corp (6.07%).

What percentage of Jack in the Box is owned by institutions?

Institutions hold 107.6% of Jack in the Box's shares outstanding; insiders hold 9.52%.

Which funds own Jack in the Box?

The largest fund holders of Jack in the Box are Vanguard MStar Total Stk Mkt Idx Invest (3.06%), iShares Russell 2000 ETF (2.45%), PIMCO RAE US Small Instl (2.40%), Manning & Napier Callodine Equity Inc Z (1.96%), Schwab Fundamental U.S. Small CompanyETF (1.93%).

What is Jack in the Box's short interest?

6.3M shares of Jack in the Box were sold short, 33.60% of the float; at the average daily volume it would take 11.47 days to cover.

Are insiders buying or selling Jack in the Box?

Of the latest 17 reported insider transactions in Jack in the Box (since May 13, 2025), 1 were purchases and 16 were sales.

How many shares of Jack in the Box are outstanding?

Jack in the Box has 19.2M shares outstanding, of which 12.4M are in the public float.

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