Latest Period
Q1 2026
Security Snapshot
ALLIANT ENERGY CORP - NOTE 3.875% 3/1 Institutional Ownership
CUSIP: 018802AC2
13F Institutional Holders and Ownership History from Q1 2024 to Q2 2026
Institutions Reporting
1
Principal
$5,000,000
Price (% of par)
104.18%
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- Security type / class
- Debt / NOTE 3.875% 3/1
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F principal
- $5,000,000
- Total 13F market value
- $5,209,123
- Principal change
- -$565,791,438
- Market value change
- -$590,204,980
- Number of holders
- 1
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- 018802AC2 - ALLIANT ENERGY CORP - NOTE 3.875% 3/1 is tracked under CUSIP 018802AC2.
- 1 institution reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 1 to 0 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $5,209,123 to $0.
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
018802AC2
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 018802AC2:
As of 31 Mar 2026, 1 institutional investors reported holding $5,000,000 in principal (par value) of ALLIANT ENERGY CORP - NOTE 3.875% 3/1.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
10
Latest
Q1 2026
Rows shown
1-10 of 10
| Period | Principal | Value | Change | Price (% of par) (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | $0 | $0 | -$5,209,123 | 0 | |
| 2026 Q1 | $5,000,000 | $5,209,123 | -$590,204,980 | 104.18% | 1 |
| 2025 Q4 | $573,503,438 | $598,231,871 | +$24,559,998 | 104.07% | 58 |
| 2025 Q3 | $573,968,000 | $617,643,356 | +$20,720,363 | 107.55% | 57 |
| 2025 Q2 | $606,253,391 | $624,417,441 | -$46,158,778 | 102.82% | 63 |
| 2025 Q1 | $588,806,441 | $631,190,832 | -$3,965,090 | 107.14% | 62 |
| 2024 Q4 | $597,818,450 | $615,286,946 | +$3,356,482 | 102.62% | 64 |
| 2024 Q3 | $568,272,886 | $594,350,388 | -$5,957,295 | 104.56% | 58 |
| 2024 Q2 | $571,776,817 | $566,260,391 | +$1,002,991 | 98.59% | 55 |
| 2024 Q1 | $582,262,144 | $573,973,841 | +$572,242,894 | 98.64% | 49 |