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Fund holdings profileCurrent N-PORT coverage

Putnam Mortgage Securities Fund

As of May 27, 2026Source: SEC Form N-PORT, CIK 732337
Latest answer
As of the reporting period ending September 30, 2026, Putnam Mortgage Securities Fund reported 392 structured-finance (asset-backed) positions totaling $892.3M, 93.3% of its $956.7M SEC Form N-PORT portfolio.
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Putnam Mortgage Securities Fund: Structured-Finance Exposure#

Quick Answer: Structured-Finance Holdings

As of the reporting period ending September 30, 2026, Putnam Mortgage Securities Fund reported 392 structured-finance (asset-backed) positions totaling $892.3M, 93.3% of its $956.7M SEC Form N-PORT portfolio.

Source: SEC Form N-PORT (CIK 732337)Reporting period ending September 30, 2026License: CC BY 4.0. Cite as DealCharts, dealcharts.org.Facts JSON

What structured-finance securities does Putnam Mortgage Securities Fund hold?

Putnam Mortgage Securities Fund reported 392 structured-finance (asset-backed) positions totaling $892.3M, 93.3% of its $956.7M portfolio, as of the reporting period ending September 30, 2026 (SEC Form N-PORT). Breakdown by type: mortgage-backed securities (ABS-MBS): 370 positions ($873.8M, 91.3%); other asset-backed securities (ABS-O): 22 positions ($18.5M, 1.9%).

What is Putnam Mortgage Securities Fund's asset-backed / mortgage-backed securities (ABS/MBS) exposure?

Putnam Mortgage Securities Fund's structured-finance (ABS/MBS) exposure is $892.3M across 392 positions, or 93.3% of the $956.7M portfolio, as of the reporting period ending September 30, 2026.

As of when is Putnam Mortgage Securities Fund's structured-finance holdings data reported?

This reflects Putnam Mortgage Securities Fund's most recent SEC Form N-PORT filing, filed May 27, 2026, covering the reporting period ending September 30, 2026. Figures are point-in-time holdings as reported to the SEC.

Where can I get Putnam Mortgage Securities Fund's structured-finance holdings data?

Putnam Mortgage Securities Fund's holdings are sourced from its SEC Form N-PORT filing (SEC CIK 732337) and republished by DealCharts as structured, machine-readable data through the Facts JSON endpoint linked on this page. The data is free to reuse under a Creative Commons Attribution 4.0 (CC BY 4.0) license. Cite as DealCharts (dealcharts.org).

Does DealCharts track Putnam Mortgage Securities Fund's latest news, products, partnerships, or leadership changes?

No. DealCharts covers Putnam Mortgage Securities Fund's structured-finance holdings and exposure derived from SEC Form N-PORT filings, not corporate news, product launches, partnerships, acquisitions, earnings, or executive changes. For those, consult the fund sponsor's own disclosures or SEC EDGAR full-text filings.

Fund Overview

Fund NamePutnam Mortgage Securities Fund
Fund LEI
V36NQTUWG8SKLKSHZZ27
CIK732337
Fund ID
S000006570

Fund Metrics

Portfolio summary and asset distribution sourced from SEC NPORT-P filings.

Portfolio Summary

Total Value
$956,665,691
Total Positions
396
Asset Categories
4
Average Position Size
$2,415,822

Asset Distribution

ABS/MBS
91.3%
ABS Other
1.9%
Derivative-Rate
0.0%
Short-Term Investments
1.1%
Filing Date
May 27, 2026
Report Date
September 30, 2026

Holdings

All portfolio holdings for this fund, sourced from the most recent NPORT-P filing on SEC EDGAR.
Preview the largest reported positions from 396 total holdings, or open the complete machine-readable file.
Open complete JSON →

Context & Commentary#

Expert analysis, research, and commentary from verified entities and contributors.

Portfolio Context

This profile reflects Putnam Mortgage Securities Fund's most recent SEC Form N-PORT filing, dated May 27, 2026, covering the reporting period ending September 30, 2026.

Putnam Mortgage Securities Fund reported 396 portfolio positions with a total reported market value of $956.7M as of the reporting period ending September 30, 2026, an average of $2.4M per position.

By reported market value, the portfolio was predominantly securitized-credit-oriented (93.3% of holdings).

The largest reported asset categories were mortgage-backed securities (ABS-MBS) (91.3%), Unknown (5.6%), and other asset-backed securities (ABS-O) (1.9%).

The single largest asset category, mortgage-backed securities (ABS-MBS), accounted for 91.3% of reported market value across 370 positions.

Auto-generated from this fund's SEC Form N-PORT filing data. Figures are point-in-time as reported.

Entity Statements

Regulatory context

Recent SEC Filing Activity

DealCharts currently indexes the latest NPORT-P holdings filing for this fund and links to official SEC EDGAR results for related shareholder and prospectus filings.
Form
NPORT-P
Filing date
May 27, 2026
Report period
September 30, 2026
SEC CIK
732337
Official SEC EDGAR links
Latest indexed NPORT-P filingNPORT-P holdingsN-CSR reports497K prospectusFund facts JSON

External Analysis

Datasets & API#

Access the raw data behind this fund page through multiple channels: REST API or direct downloads.
Facts APIMachine-readable fund facts: holdings, positions, and metadata. No API key required.
Structured Facts (JSON-LD)Machine-readable facts for LLMs, research, and automation.
{
  "fund_name": "Putnam Mortgage Securities Fund",
  "fund_lei": "V36NQTUWG8SKLKSHZZ27",
  "total_holdings": 396,
  "total_value": 956665691.03,
  "asset_types": [
    "ABS/MBS",
    "ABS Other",
    "Derivative-Rate",
    "Short-Term Investments"
  ],
  "filing_date": "2026-05-27"
}
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