ABVC BioPharma, Inc. (ABVC) Ownership

NASDAQ: ABVCTop holders, insider trades and short interest.

ABVC ownership summary

as of October 17, 2026
Institutions
4.1%
of shares outstanding
Insiders
18.09%
of shares outstanding
Shares outstanding
26.7M
Float
21.1M
shares available to trade
Short interest
2.24%
490K shares short
Days to cover
3.64
short interest down 2.9% vs prior month
  • Institutions 4.08%
  • Insiders 18.09%
  • Other investors 77.83%

ABVC top institutional holders

20 largest
ABVC BioPharma, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Vanguard Capital Management, LLC1.40%374K$343,790+183,925 (+96.5%)June 30, 2026
2Geode Capital Management, LLC0.85%228K$209,343+6,873 (+3.1%)June 30, 2026
3Vanguard Fiduciary Trust Co0.36%97K$89,379—June 30, 2026
4State Street Corp0.27%73K$66,830—June 30, 2026
5Citadel Advisors Llc0.27%72K$66,180+72,091 (0.0%)June 30, 2026
6BlackRock Inc0.21%56K$51,814—June 30, 2026
7Northern Trust Corp0.18%49K$44,654+16,556 (+51.6%)June 30, 2026
8XTX Topco Ltd0.18%48K$44,317+48,276 (0.0%)June 30, 2026
9Panagora Asset Management Inc0.14%37K$33,674+36,682 (0.0%)June 30, 2026
10UBS Group AG0.13%34K$31,325+32,352 (+1,826.8%)June 30, 2026
11Jane Street Group LLC0.08%20K$18,414+20,059 (0.0%)June 30, 2026
12Citigroup Inc<0.01%540$496+540 (0.0%)June 30, 2026
13LifeSteps Financial, Inc.<0.01%300$275+300 (0.0%)June 30, 2026
14Royal Bank of Canada<0.01%17$16—June 30, 2026
15Caitong International Asset Management Co., Limited.0.00%6$6+6 (0.0%)June 30, 2026
16Tower Research Capital LLC0.00%——−5,423 (−100.0%)June 30, 2026
17SIMPLEX TRADING, LLC0.00%——−196 (−100.0%)March 31, 2026
18Dimensional Fund Advisors, Inc.0.00%——−12,227 (−100.0%)June 30, 2026
19Renaissance Technologies Corp0.00%——−95,100 (−100.0%)June 30, 2026
20Morgan Stanley - Brokerage Accounts0.00%——−5,175 (−100.0%)March 31, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 418K shares and 5 cut 118K.

ABVC top mutual fund and ETF holders

5 largest
ABVC BioPharma, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest1.35%361K$331,280—August 31, 2026
2Fidelity Extended Market Index0.41%109K$99,958−585 (−0.5%)August 31, 2026
3Fidelity Series Total Market Index0.13%36K$32,617—August 31, 2026
4Fidelity Total Market Index0.12%31K$28,507—August 31, 2026
5Fidelity Nasdaq Composite Index0.06%15K$13,605—August 31, 2026

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

ABVC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ABVC

Institutional investors own 4.1% of ABVC BioPharma's shares and insiders 18.09%. The largest holder is Vanguard Capital Management, LLC with 1.40% of the shares (374K), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 5 reduced their stake in the latest filings. Short interest is 2.24% of the float, or 3.64 days of average trading volume. The share count rose 1,223,931.6% since 2014.

Related: ABVC key metrics. See the ABVC stock overview for the latest quote and news.

ABVC ownership FAQ

Who owns the most ABVC BioPharma stock?

The largest shareholders of ABVC BioPharma are Vanguard Capital Management, LLC (1.40%), Geode Capital Management, LLC (0.85%), Vanguard Fiduciary Trust Co (0.36%), State Street Corp (0.27%), Citadel Advisors Llc (0.27%).

What percentage of ABVC BioPharma is owned by institutions?

Institutions hold 4.1% of ABVC BioPharma's shares outstanding; insiders hold 18.09%.

Which funds own ABVC BioPharma?

The largest fund holders of ABVC BioPharma are Vanguard MStar Total Stk Mkt Idx Invest (1.35%), Fidelity Extended Market Index (0.41%), Fidelity Series Total Market Index (0.13%), Fidelity Total Market Index (0.12%), Fidelity Nasdaq Composite Index (0.06%).

What is ABVC BioPharma's short interest?

490K shares of ABVC BioPharma were sold short, 2.24% of the float; at the average daily volume it would take 3.64 days to cover.

How many shares of ABVC BioPharma are outstanding?

ABVC BioPharma has 26.7M shares outstanding, of which 21.1M are in the public float.

Biotechnology: ownership