Security key
746962117
- Security type / class
- Equity / COM
- Total 13F shares
- 4,398,120
- Total 13F value
- $523,876
- Share change
- +4,398,120
- SEC-reported price per share
- $0.12
- Number of holders
- 2
- Value change
- +$523,876
- Number of buys
- 2
Report period
Q3 2025
Institutions
2
Top holders
2
QTIWW full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
QT IMAGING HOLDINGS, INC. SEC filings
QT IMAGING HOLDINGS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 746962117
Recent filing periods:
Ownership snapshot
Top reported holders of QTIWW - QT IMAGING HOLDINGS, INC. - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Dr. Raluca Dinu
Disclosed value leader
Neil Miotto
Comparable rows
3/8
Latest evidence
29 Aug 2025
13D/G
3/4/5
Lead comparable stake: 7%
5 rows are not safely comparable across share classes.
13D/G row: Dr. Raluca Dinu
Showing 1-6 of 8 holder rows.
Quick read
Dr. Raluca Dinu leads the comparable SEC ownership view at 7%.
3 of 8 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Dr. Raluca Dinu's linked filing trail.
Comparable ownership
Top 3
Dr. Raluca Dinu
7%
Dr. Avi S. Katz
6.2%
Emil D. Kakkis
5.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 8 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Dr. Raluca Dinu |
13D/G
|
7%
|
$1,491,934
2,043,745 shares
|
+$365,050 | 24 Apr 2025 |
| Dr. Avi S. Katz |
13D/G
|
6.2%
|
$1,324,643
1,814,579 shares
|
+$1,324,643 | 24 Apr 2025 |
| Emil D. Kakkis |
13D/G
Emil D. Kakkis and Jenny Soriano
|
5.1%
|
—
1,400,030 shares
|
$0 | 17 Mar 2025 |
| Polar Asset Management Partners Inc. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$8,422,867
797,620 shares
|
— | 24 Mar 2023 |
| Neil Miotto |
3/4/5
Director
|
—
class O/S missing
|
$57,350,000
5,735,000 shares
|
— | 31 Dec 2021 |
| Gerald McMorrow |
3/4/5
Director
|
—
class O/S missing
|
$59,040
5,904 shares
|
— | 18 Mar 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2
Shares
4,398,120
Rows available
2
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q4 2025 Across Filers
Q4 2025 holders
2
Q3 2025 holders
2
Holder diff
0
| Investor | Q4 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q4 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend