Kyntra Bio, Inc. (KYNB) Ownership

NASDAQ: KYNBTop holders, insider trades and short interest.

KYNB ownership summary

as of October 18, 2026
Institutions
24.7%
of shares outstanding
Insiders
2.02%
of shares outstanding
Shares outstanding
4.0M
Float
3.6M
shares available to trade
Short interest
2.52%
100K shares short
Days to cover
3.87
short interest down 0.7% vs prior month
  • Institutions 24.68%
  • Insiders 2.02%
  • Other investors 73.31%

KYNB top institutional holders

20 largest
Kyntra Bio, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Armistice Capital, LLC9.88%400K$1.9M—June 30, 2026
2Vanguard Capital Management, LLC3.95%160K$775,758+3,343 (+2.1%)June 30, 2026
3Acadian Asset Management LLC2.61%106K$512,087—June 30, 2026
4BlackRock Inc2.08%84K$409,000−1 (−0.0%)June 30, 2026
5Geode Capital Management, LLC1.07%43K$209,612−2,779 (−6.0%)June 30, 2026
6HighTower Advisors, LLC0.98%40K$192,768+2 (+0.0%)June 30, 2026
7Two Sigma Investments LLC0.98%40K$191,628−10,000 (−20.2%)June 30, 2026
8Renaissance Technologies Corp0.67%27K$131,343−400 (−1.5%)June 30, 2026
9Vanguard Fiduciary Trust Co0.60%24K$116,909+163 (+0.7%)June 30, 2026
10Birchview Capital, LP0.56%23K$109,445—June 30, 2026
11State Street Corp0.50%20K$98,377—June 30, 2026
12GSA Capital Partners LLP0.39%16K$76,130+15,697 (0.0%)June 30, 2026
13UBS Group AG0.19%7,857$38,106−19,734 (−71.5%)June 30, 2026
14Group One Trading, LLC0.11%4,406$21,369−86 (−1.9%)June 30, 2026
15Vanguard Global Advisers, LLC0.04%1,424$6,906—June 30, 2026
16Tower Research Capital LLC0.03%1,113$5,398+781 (+235.2%)June 30, 2026
17Axiom Investment Management LLC0.02%704$3,414—June 30, 2026
18Morgan Stanley - Brokerage Accounts0.01%487$2,362−1 (−0.2%)June 30, 2026
19HARBOUR INVESTMENTS, INC.<0.01%200$970—June 30, 2026
20NATIONAL BANK OF CANADA /FI/<0.01%193$936—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 5 holders added 20K shares and 7 cut 33K.

KYNB top mutual fund and ETF holders

10 largest
Kyntra Bio, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.82%114K$553,768—August 31, 2026
2Fidelity Extended Market Index0.47%19K$91,762−102 (−0.5%)August 31, 2026
3Fidelity Total Market Index0.17%7,005$33,974—August 31, 2026
4Fidelity Series Total Market Index0.14%5,744$27,858—August 31, 2026
5Vanguard Balanced Index Inv0.09%3,506$17,004—August 31, 2026
6Vanguard Capital Opportunity Inv0.07%2,716$13,173—June 30, 2026
7Fidelity Nasdaq Composite Index0.05%1,991$9,656—August 31, 2026
8Vanguard U.S. Eq Idx £ Acc0.04%1,424$6,906—August 31, 2026
9BSF Systematic US Eq Abs Ret A2 USD<0.01%23$112—December 31, 2025
10Knights of Columbus U.S. All Cap Idx I<0.01%22$107—August 31, 2026

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

KYNB shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns KYNB

Institutional investors own 24.7% of Kyntra Bio's shares and insiders 2.02%. The largest holder is Armistice Capital, LLC with 9.88% of the shares (400K), as of June 30, 2026. Among the top 20 institutions, 5 added shares and 7 reduced their stake in the latest filings. Short interest is 2.52% of the float, or 3.87 days of average trading volume. The share count rose 81.6% since 2014.

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

KYNB ownership FAQ

Who owns the most Kyntra Bio stock?

The largest shareholders of Kyntra Bio are Armistice Capital, LLC (9.88%), Vanguard Capital Management, LLC (3.95%), Acadian Asset Management LLC (2.61%), BlackRock Inc (2.08%), Geode Capital Management, LLC (1.07%).

What percentage of Kyntra Bio is owned by institutions?

Institutions hold 24.7% of Kyntra Bio's shares outstanding; insiders hold 2.02%.

Which funds own Kyntra Bio?

The largest fund holders of Kyntra Bio are Vanguard MStar Total Stk Mkt Idx Invest (2.82%), Fidelity Extended Market Index (0.47%), Fidelity Total Market Index (0.17%), Fidelity Series Total Market Index (0.14%), Vanguard Balanced Index Inv (0.09%).

What is Kyntra Bio's short interest?

100K shares of Kyntra Bio were sold short, 2.52% of the float; at the average daily volume it would take 3.87 days to cover.

How many shares of Kyntra Bio are outstanding?

Kyntra Bio has 4.0M shares outstanding, of which 3.6M are in the public float.

Biotechnology: ownership