Estrella Immunopharma, Inc. (ESLA) Ownership

NASDAQ: ESLATop holders, insider trades and short interest.

ESLA ownership summary

as of October 17, 2026
Institutions
11.1%
of shares outstanding
Insiders
60.42%
of shares outstanding
Shares outstanding
43.5M
Float
38.2M
shares available to trade
Short interest
1.23%
214K shares short
Days to cover
5.19
short interest up 39.2% vs prior month
  • Institutions 11.14%
  • Insiders 60.42%
  • Other investors 28.44%

ESLA top institutional holders

20 largest
Estrella Immunopharma, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Armistice Capital, LLC9.14%4.0M$1.7M−123,780 (−3.0%)June 30, 2026
2Vanguard Capital Management, LLC0.96%417K$179,246+34,383 (+9.0%)June 30, 2026
3Geode Capital Management, LLC0.32%141K$60,768−16,164 (−10.3%)June 30, 2026
4Vanguard Fiduciary Trust Co0.15%65K$27,916—June 30, 2026
5BlackRock Inc0.12%52K$22,374+12,143 (+30.4%)June 30, 2026
6State Street Corp0.10%43K$18,598—June 30, 2026
7Renaissance Technologies Corp0.09%39K$16,813−23,695 (−37.7%)June 30, 2026
8Northern Trust Corp0.08%35K$14,990+15,237 (+77.6%)June 30, 2026
9U.S. Bancorp0.05%20K$8,600+3,096 (+18.3%)June 30, 2026
10Tower Research Capital LLC0.01%3,308$1,422−1,551 (−31.9%)June 30, 2026
11UBS Group AG<0.01%1,721$740−13,358 (−88.6%)June 30, 2026
12The Toronto-Dominion Bank<0.01%1,089$468—June 30, 2026
13Wolverine Asset Management LLC<0.01%468$201—June 30, 2026
14Barclays PLC<0.01%126$54+126 (0.0%)June 30, 2026
15Caitong International Asset Management Co., Limited.0.00%2$1+2 (0.0%)June 30, 2026
16Royal Bank of Canada0.00%——−6,600 (−100.0%)June 30, 2026
17Jane Street Group LLC0.00%——−10,441 (−100.0%)March 31, 2026
18Wells Fargo & Co0.00%——−264,388 (−100.0%)June 30, 2026
19Quadrature Capital Limited0.00%——−27,781 (−100.0%)March 31, 2026
20Citadel Advisors Llc0.00%——−64,394 (−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, 6 holders added 65K shares and 10 cut 552K.

ESLA top mutual fund and ETF holders

6 largest
Estrella Immunopharma, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest0.62%269K$115,500—August 31, 2026
2Fidelity Extended Market Index0.18%80K$34,592−432 (−0.5%)August 31, 2026
3iShares Micro-Cap ETF0.11%47K$20,370−327 (−0.7%)September 30, 2026
4Fidelity Series Total Market Index0.06%26K$11,250—August 31, 2026
5Fidelity Total Market Index0.04%17K$7,208—August 31, 2026
61290 VT Micro Cap K0.01%5,498$2,364—August 31, 2026

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

ESLA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ESLA

Institutional investors own 11.1% of Estrella Immunopharma's shares and insiders 60.42%. The largest holder is Armistice Capital, LLC with 9.14% of the shares (4.0M), as of June 30, 2026. Among the top 20 institutions, 6 added shares and 10 reduced their stake in the latest filings. Short interest is 1.23% of the float, or 5.19 days of average trading volume. The share count rose 7.9% since 2021.

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

ESLA ownership FAQ

Who owns the most Estrella Immunopharma stock?

The largest shareholders of Estrella Immunopharma are Armistice Capital, LLC (9.14%), Vanguard Capital Management, LLC (0.96%), Geode Capital Management, LLC (0.32%), Vanguard Fiduciary Trust Co (0.15%), BlackRock Inc (0.12%).

What percentage of Estrella Immunopharma is owned by institutions?

Institutions hold 11.1% of Estrella Immunopharma's shares outstanding; insiders hold 60.42%.

Which funds own Estrella Immunopharma?

The largest fund holders of Estrella Immunopharma are Vanguard MStar Total Stk Mkt Idx Invest (0.62%), Fidelity Extended Market Index (0.18%), iShares Micro-Cap ETF (0.11%), Fidelity Series Total Market Index (0.06%), Fidelity Total Market Index (0.04%).

What is Estrella Immunopharma's short interest?

214K shares of Estrella Immunopharma were sold short, 1.23% of the float; at the average daily volume it would take 5.19 days to cover.

How many shares of Estrella Immunopharma are outstanding?

Estrella Immunopharma has 43.5M shares outstanding, of which 38.2M are in the public float.

Biotechnology: ownership