PIMCO Corporate & Income Opportunity Fund
US ˙ NYSE ˙ US72201B1017

SecurityPTY / PIMCO Corporate & Income Opportunity Fund
InstitutionWebster Bank, N. A.
Latest Disclosed Ownership2,200 shares
Latest Disclosed Value $ 26,532
Webster Bank, N. A. ownership in PTY / PIMCO Corporate & Income Opportunity Fund

On April 17, 2026 - Webster Bank, N. A. filed a 13F-HR form disclosing ownership of 2,200 shares of PIMCO Corporate & Income Opportunity Fund (US:PTY) valued at $26,532 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 2,200 shares of PIMCO Corporate & Income Opportunity Fund. This represents a change in shares of 0.00% during the quarter. The current value of the position is $26,114 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-17 2026-03-31 13F PIMCO CORPORATE & INCOME OPP COM 72201B101 2,200 0 0.00 27 -7.14 0.0025
2026-01-23 2025-12-31 13F PIMCO CORPORATE & INCOME OPP COM 72201B101 2,200 0 0.00 28 -9.68 0.0027
2025-10-23 2025-09-30 13F PIMCO CORPORATE & INCOME OPP COM 72201B101 2,200 0 0.00 32 3.33 0.0031
2025-07-08 2025-06-30 13F PIMCO CORPORATE & INCOME OPP COM 72201B101 2,200 0 0.00 31 -3.23 0.0032
2025-04-04 2025-03-31 13F PIMCO CORPORATE & INCOME OPP COM 72201B101 2,200 0 0.00 32 0.00 0.0035
2025-01-22 2024-12-31 13F PIMCO Funds COM 72201B101 2,200 0 0.00 32 0.00 0.0034
2024-10-10 2024-09-30 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 32 0.00 0.0034
2024-07-12 2024-06-30 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 31 -3.12 0.0035
2024-04-16 2024-03-31 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 33 10.34 0.0037
2024-01-23 2023-12-31 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 29 3.57 0.0036
2023-10-10 2023-09-30 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 29 -6.67 0.0039
2023-07-13 2023-06-30 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 31 11.11 0.0040
2023-04-13 2023-03-31 13F Pacific Investment Management Co COM 72201B101 2,200 0 0.00 27 0.0036
2023-01-18 2022-12-31 13F PIMCO Funds COM 72201B101 2,200 0 0.00 0 -100.00 0.0035
2022-10-24 2022-09-30 13F Pacific Investment Management Co COM 72201B101 2,200 -6,995 -76.07 26 -77.59 0.0038
2022-07-12 2022-06-30 13F Pacific Investment Management Co COM 72201B101 9,195 -6,995 -43.21 116 -53.23 0.0158
2022-04-13 2022-03-31 13F Pacific Investment Management Co COM 72201B101 16,190 3,695 29.57 248 20.39 0.0178
2022-01-12 2021-12-31 13F Pacific Investment Management Co COM 72201B101 12,495 0 0.00 206 -9.65 0.0213
2021-10-12 2021-09-30 13F Pacific Investment Management Co COM 72201B101 12,495 0 0.00 228 -8.06 0.0255
2021-07-20 2021-06-30 13F Pacific Investment Management Co COM 72201B101 12,495 2,200 21.37 248 31.91 0.0271
2021-05-07 2021-03-31 13F Pacific Investment Management Co COM 72201B101 10,295 -2,507 -19.58 188 -17.90 0.0214
2021-01-07 2020-12-31 13F PIMCO Funds COM 72201B101 12,802 -2,020 -13.63 229 -4.18 0.0269
2020-10-22 2020-09-30 13F Pacific Investment Management Co COM 72201B101 14,822 14,822 239 0.0314
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.