Gorilla Technology Group Inc.
Gorilla Technology Group Inc. (GRRR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GRRR · as of Sep 30, 2025
Ownership Breakdown
70
Institutional Holders
▼ 1 vs Q2
$85.93M
Total Inst. Value
▲ $6.38M vs Q2
13.47M
Shares Outstanding
freeFloat 94.51%
4.65M
13F Shares Held
▲ 652,346 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
GRRR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ALYESKA INVESTMENT GROUP, L.P. services-prepackaged software | 1.68M | 8.60% | 8.60% | $30.96B | Nov 17, 2025 | ▼ 567.1K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 827.3K | 4.24% | 4.24% | $15.27B | Nov 14, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 751.0K | 3.85% | 3.85% | $13.86B | Nov 14, 2025 | ▲ 373.6K |
CITADEL ADVISORS LLC services-prepackaged software | 631.2K | 3.24% | 3.24% | $11.65B | Nov 14, 2025 | ▲ 345.0K |
CITADEL ADVISORS LLC services-prepackaged software | 474.6K | 2.43% | 2.43% | $8.76B | Nov 14, 2025 | ▼ 95.0K |
CENTIVA CAPITAL, LP services-prepackaged software | 344.2K | 1.77% | 1.77% | $6.35B | Nov 14, 2025 | NEW |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 274.4K | 1.41% | 1.41% | $5.07B | Nov 14, 2025 | ▼ 215.9K |
STATE STREET CORP services-prepackaged software | 265.8K | 1.36% | 1.36% | $4.91B | Nov 14, 2025 | ▲ 20.3K |
JANE STREET GROUP, LLC services-prepackaged software | 238.9K | 1.23% | 1.23% | $4.41B | Nov 14, 2025 | ▲ 176.9K |
UBS GROUP AG services-prepackaged software | 205.9K | 1.06% | 1.06% | $3.80B | Nov 13, 2025 | ▲ 175.4K |
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
22
Increased
+1.70M shares14
New Positions
first time holders10
Decreased
−1.07M shares0
Sold Out
fully exitedNet shares change (top 50)
+631.6K
+1.70M / −1.07M
Net new holders
+26
14 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GRRR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
2
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Medeiros Evan S director | Apr 14, 2026 | Sale | 5,186 | $12.00 | $62.3K | 33.5K | Form 4 ↗ |
Medeiros Evan S director | Apr 15, 2026 | Sale | 12,604 | $12.16 | $153.3K | 20.9K | 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
Gorilla Technology Group Inc. (GRRR) is primarily owned by institutional investors, who hold approximately 34.5% of total shares outstanding. Company insiders own approximately 5.49%, while retail and public investors account for the remaining 60.01%.
The largest institutional shareholder of Gorilla Technology Group Inc. is ALYESKA INVESTMENT GROUP, L.P., holding approximately 1.68 million shares — equal to 8.60% of outstanding shares — as of September 30, 2025.
A total of 70 institutional investors currently hold GRRR stock, with a combined institutional value of approximately $85,932,443 as of the most recent 13F filing period.
Frequently asked questions
GRRR ownershipGorilla Technology Group Inc. (GRRR) is primarily owned by institutional investors, who hold approximately 34.5% of shares. The largest shareholder is ALYESKA INVESTMENT GROUP, L.P. with a 8.60% stake. Company insiders hold 5.49%. Data sourced from SEC Form 13F as of September 30, 2025.