Estrella Immunopharma, Inc.
Estrella Immunopharma, Inc. (ESLA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ESLA · as of Sep 30, 2025
Ownership Breakdown
13
Institutional Holders
▲ 2 vs Q2
$878,824
Total Inst. Value
▲ $319,272 vs Q2
43.03M
Shares Outstanding
freeFloat 38.87%
743,186
13F Shares Held
▲ 108,367 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ESLA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC blank checks | 419.7K | 1.13% | 1.13% | $499.46M | Nov 7, 2025 | ▲ 136.9K |
GEODE CAPITAL MANAGEMENT, LLC blank checks | 101.5K | 27.36% | 27.36% | $120.77M | Nov 12, 2025 | ▼ 1.8K |
UBS GROUP AG blank checks | 50.3K | 13.57% | 13.57% | $57.90M | Nov 13, 2025 | ▼ 22.4K |
CITADEL ADVISORS LLC blank checks | 50.1K | 13.51% | 13.51% | $59.65M | Nov 14, 2025 | ▼ 34 |
ATW SPAC MANAGEMENT LLC blank checks | 40.0K | 10.78% | 10.78% | $46.00M | Nov 12, 2025 | — held |
BLACKROCK, INC. blank checks | 24.1K | 6.49% | 6.49% | $27.70M | Nov 12, 2025 | ▼ 7.3K |
STATE STREET CORP blank checks | 22.4K | 6.03% | 6.03% | $26.60M | Nov 14, 2025 | — held |
RENAISSANCE TECHNOLOGIES LLC blank checks | 10.7K | 2.88% | 2.88% | $12.29M | Nov 13, 2025 | NEW |
XTX TOPCO LTD blank checks | 10.4K | 2.80% | 2.80% | $12.34M | Nov 14, 2025 | NEW |
MASO CAPITAL PARTNERS LTD blank checks | 10.0K | 2.70% | 2.70% | $11.50M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
1
Increased
+136.9K shares3
New Positions
first time holders6
Decreased
−32.3K shares1
Sold Out
fully exitedNet shares change (top 50)
+104.6K
+136.9K / −32.3K
Net new holders
-3
3 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ESLA insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Xu Jiandong Chief Financial Officer | Oct 7, 2025 | Purchase | 1,000 | $1.33 | $1.3K | 265.5K | Form 4 ↗ |
Xu Jiandong Chief Financial Officer | Sep 11, 2025 | Purchase | 100 | $1.04 | $104 | 264.6K | Form 4 ↗ |
Xu Jiandong Chief Financial Officer | Sep 22, 2025 | Purchase | 1,000 | $1.16 | $1.2K | 16.7K | Form 4 ↗ |
Liu Cheng Chief Executive Officer | Oct 30, 2024 | Award | 509,204 | $0.81 | $415.0K | 509.2K | Form 4 ↗ |
Liu Cheng Chief Executive Officer | Oct 30, 2024 | Award | 490,796 | $0.81 | $400.0K | 490.8K | Form 4 ↗ |
Xu Jiandong Chief Financial Officer | Oct 30, 2024 | Award | 509,204 | $0.81 | $415.0K | 509.2K | Form 4 ↗ |
Xu Jiandong Chief Financial Officer | Oct 30, 2024 | Award | 490,796 | $0.81 | $400.0K | 490.8K | Form 4 ↗ |
Owl Creek Asset Management, L.P. 10 percent owner | Sep 29, 2023 | J-Other | 255,000 | $10.86 | $2.77M | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Estrella Immunopharma, Inc. (ESLA) is primarily owned by institutional investors, who hold approximately 1.7% of total shares outstanding. Company insiders own approximately 61.13%, while retail and public investors account for the remaining 37.14%.
The largest institutional shareholder of Estrella Immunopharma, Inc. is VANGUARD GROUP INC, holding approximately 419,711 shares — equal to 1.13% of outstanding shares — as of September 30, 2025.
A total of 13 institutional investors currently hold ESLA stock, with a combined institutional value of approximately $878,824 as of the most recent 13F filing period.
Frequently asked questions
ESLA ownershipEstrella Immunopharma, Inc. (ESLA) is primarily owned by institutional investors, who hold approximately 1.7% of shares. The largest shareholder is VANGUARD GROUP INC with a 1.13% stake. Company insiders hold 61.13%. Data sourced from SEC Form 13F as of September 30, 2025.