Ostin Technology Group Co., Ltd.
Ostin Technology Group Co., Ltd. (OST) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OST · as of Mar 31, 2025
Ownership Breakdown
3
Institutional Holders
▲ 1 vs Q4
$20,323
Total Inst. Value
▲ $6,983 vs Q4
5.96M
Shares Outstanding
freeFloat 82.22%
12,883
13F Shares Held
▲ 7,905 vs Q4
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
OST largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 3 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CITADEL ADVISORS LLC electronic components, nec | 12.5K | 2.19% | 2.19% | $19.75M | May 15, 2025 | NEW |
UBS GROUP AG electronic components, nec | 291 | 0.05% | 0.05% | $442,000 | May 13, 2025 | ▼ 4.6K |
TD WATERHOUSE CANADA INC. electronic components, nec | 90 | 0.02% | 0.02% | $128,000 | May 9, 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
Q1 2025 vs prior quarter
Q1 2025
0
Increased
+0 shares1
New Positions
first time holders1
Decreased
−4.6K shares0
Sold Out
fully exitedNet shares change (top 50)
4.6K
+0 / −4.6K
Net new holders
+0
1 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
OST insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
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
Ostin Technology Group Co., Ltd. (OST) is primarily owned by institutional investors, who hold approximately 0.2% of total shares outstanding. Company insiders own approximately 17.78%, while retail and public investors account for the remaining 82.01%.
The largest institutional shareholder of Ostin Technology Group Co., Ltd. is CITADEL ADVISORS LLC, holding approximately 12,502 shares — equal to 2.19% of outstanding shares — as of March 31, 2025.
A total of 3 institutional investors currently hold OST stock, with a combined institutional value of approximately $20,323 as of the most recent 13F filing period.
Frequently asked questions
OST ownershipOstin Technology Group Co., Ltd. (OST) is primarily owned by institutional investors, who hold approximately 0.2% of shares. The largest shareholder is CITADEL ADVISORS LLC with a 2.19% stake. Company insiders hold 17.78%. Data sourced from SEC Form 13F as of March 31, 2025.