Latest Period
Q1 2026
Security Snapshot
ALTAGAS LTD - COM (ATGFF) Institutional Ownership
CUSIP: 021361100
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
1
Shares (Excl. Options)
111,156
Price
$34.57
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- Security type / class
- Equity / COM
- Symbol
- ATGFF on OTC
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 111,156
- Total 13F value
- $3,843,000
- Share change
- 0
- Number of holders
- 1
- SEC-reported price per share
- $36.93
Latest holder snapshot
3 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ATGFF - ALTAGAS LTD - COM is tracked under CUSIP 021361100.
- 1 institution reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 1 to 1 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $3,843,000 to $3,348,000.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 1 institution filings for Q1 2026.
Security key
021361100
Latest holder period
Q1 2026
13F holders
1
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 021361100:
As of 31 Mar 2026, 1 institutional investors reported holding 111,156 shares of ALTAGAS LTD - COM (ATGFF).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q1 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 90,656 | $3,348,000 | -$757,082 | $36.93 | 1 |
| 2026 Q1 | 111,156 | $3,843,000 | $34.57 | 1 | |
| 2025 Q4 | 111,156 | $3,394,000 | +$27,315 | $30.53 | 1 |
| 2025 Q3 | 110,250 | $3,397,355 | $30.86 | 2 | |
| 2025 Q2 | 110,250 | $3,193,000 | +$162,401 | $28.69 | 2 |
| 2025 Q1 | 104,627 | $2,869,740 | -$235,883 | $27.42 | 2 |
| 2024 Q4 | 113,227 | $2,635,628 | $23.27 | 2 | |
| 2024 Q3 | 113,227 | $2,805,669 | -$146,903 | $24.78 | 2 |
| 2024 Q2 | 119,167 | $2,691,774 | +$3,774 | $22.59 | 3 |
| 2024 Q1 | 119,000 | $2,631,000 | -$4,981,567 | $22.11 | 1 |
| 2023 Q4 | 355,627 | $7,480,045 | +$4,566,356 | $21.05 | 2 |
| 2023 Q3 | 138,100 | $2,661,000 | $19.27 | 1 | |
| 2023 Q2 | 138,100 | $2,484,000 | -$850,006 | $17.99 | 1 |
| 2023 Q1 | 189,089 | $3,149,006 | +$69,919 | $16.66 | 2 |
| 2022 Q4 | 133,900 | $2,311,000 | -$377,975 | $17.26 | 1 |
| 2022 Q3 | 155,800 | $2,999,000 | -$175,166 | $19.25 | 1 |
| 2022 Q2 | 164,900 | $3,472,000 | +$3,234,000 | $21.06 | 1 |
| 2022 Q1 | 10,613 | $238,000 | -$88,490 | $22.43 | 1 |
| 2021 Q4 | 14,559 | $315,000 | -$2,896,000 | $21.64 | 1 |
| 2021 Q3 | 162,769 | $3,211,000 | -$212,716 | $19.42 | 2 |
| 2021 Q2 | 173,619 | $3,637,000 | -$69,941 | $20.93 | 2 |
| 2021 Q1 | 177,019 | $2,945,000 | -$1,255 | $16.64 | 3 |
| 2020 Q4 | 177,119 | $2,606,000 | -$70,284 | $14.59 | 3 |
| 2020 Q3 | 181,894 | $2,195,000 | -$6,035 | $12.07 | 3 |
| 2020 Q2 | 182,394 | $2,100,000 | +$428,049 | $11.46 | 3 |