Security key
00218A105
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 41,457,954
- Total 13F value
- $305,098,103
- Share change
- +8,930,971
- Put/Call ratio
- 88%
- SEC-reported price per share
- $7.36
- Number of holders
- 128
- Value change
- +$67,158,257
- Number of buys
- 91
- Number of sells
- 35
- Shares outstanding
- 125,375,197
Holder snapshot
7 facts
Show 1 more fact
Security identity
1 fact
Report period
Q2 2025
Institutions
128
Top holders
10
ASPI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Previous quarter: Q1 2025
ASP Isotopes Inc. SEC filings
ASP Isotopes Inc. company facts
ASP Isotopes Inc. 13D/G history
Broader feeds
Reporting periods
Holder history for CUSIP 00218A105
Recent filing periods:
Ownership snapshot
Top reported holders of ASPI - ASP Isotopes Inc. - Common Stock (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
AWM Investment Company, Inc.
Disclosed value leader
AWM Investment Company, Inc.
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
Lead comparable stake: 3.6%
Showing 1-6 of 15 holder rows.
Quick read
AWM Investment Company, Inc. leads the comparable SEC ownership view at 3.6%.
15 of 15 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.
Comparable ownership
Top 5
AWM Investment Company, Inc.
3.6%
BlackRock, Inc.
3.2%
BNP Paribas Asset Management Hold...
2.9%
Philadelphia Financial Management...
2.8%
VANGUARD GROUP INC
2.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. |
13F
Company
|
3.6%
|
$21,157,462
4,511,186 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
3.2%
|
$18,999,566
4,051,080 shares
|
— | 31 Mar 2025 |
| BNP Paribas Asset Management Holding S.A. |
13F
Company
|
2.9%
|
$17,063,000
3,638,215 shares
|
— | 31 Mar 2025 |
| Philadelphia Financial Management of San Francisco, LLC |
13F
Company
|
2.8%
|
$16,452,811
3,508,062 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2.5%
|
$14,482,963
3,088,052 shares
|
— | 31 Mar 2025 |
| Capital Research Global Investors |
13F
Company
|
2.3%
|
$13,451,211
2,868,062 shares
|
— | 31 Mar 2025 |
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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
128
Shares
41,457,954
Rows available
128
| 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 Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
95
Q2 2025 holders
128
Holder diff
33
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend