MORGAN STANLEY
For the period ended Sep 30, 2026. Filed Nov 5, 2026.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 5, 2026
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7. Investment Securities
Table of Contents
Notes to Consolidated Financial Statements(Unaudited)
- Investment Securities
AFS and HTM Securities
| At September 30, 2026 | ||||
|---|---|---|---|---|
| $ in millions | Amortized Cost1 | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value |
| AFS securities | ||||
| U.S. Treasury securities | $74,146 | $83 | $242 | $73,987 |
| U.S. agency securities2 | 24,553 | 2 | 2,725 | 21,830 |
| Agency CMBS | 4,727 | — | 318 | 4,409 |
| State and municipal securities | 3,148 | 9 | 68 | 3,089 |
| FFELP student loan ABS3 | 404 | 1 | 6 | 399 |
| Unallocated basis adjustment4 | (12) | 12 | — | — |
| Total AFS securities | 106,966 | 107 | 3,359 | 103,714 |
| HTM securities | ||||
| U.S. Treasury securities | 8,645 | — | 871 | 7,774 |
| U.S. agency securities2 | 35,911 | — | 8,584 | 27,327 |
| Agency CMBS | 513 | — | 41 | 472 |
| Non-agency mortgage-backed securities | 2,104 | 25 | 74 | 2,055 |
| Total HTM securities | 47,173 | 25 | 9,570 | 37,628 |
| Total investment securities | $154,139 | $132 | $12,929 | $141,342 |
| At December 31, 2025 | ||||
|---|---|---|---|---|
| $ in millions | Amortized Cost1 | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value |
| AFS securities | ||||
| U.S. Treasury securities | $80,745 | $187 | $25 | $80,907 |
| U.S. agency securities2 | 24,031 | 24 | 1,943 | 22,112 |
| Agency CMBS | 5,504 | 1 | 286 | 5,219 |
| State and municipal securities | 1,754 | 10 | 17 | 1,747 |
| FFELP student loan ABS3 | 486 | 1 | 6 | 481 |
| Unallocated basis adjustment4 | 2 | — | 2 | — |
| Total AFS securities | 112,522 | 223 | 2,279 | 110,466 |
| HTM securities | ||||
| U.S. Treasury securities | 12,299 | — | 663 | 11,636 |
| U.S. agency securities2 | 38,303 | 67 | 6,785 | 31,585 |
| Agency CMBS | 709 | — | 43 | 666 |
| Non-agency mortgage-backed securities | 1,779 | 12 | 63 | 1,728 |
| Total HTM securities | 53,090 | 79 | 7,554 | 45,615 |
| Total investment securities | $165,612 | $302 | $9,833 | $156,081 |
Amounts are net of any ACL.
U.S. agency securities consist mainly of agency mortgage pass-through pool securities, CMOs and agency-issued debt.
Underlying loans are backed by a guarantee, ultimately from the U.S. Department of Education, of at least 95% of the principal balance and interest outstanding.
Represents the amount of unallocated portfolio layer method basis adjustments related to AFS securities hedged in a closed portfolio. Portfolio layer method basis adjustments are not allocated to individual securities. Refer to Note 2 and Note 6 herein for additional information.
AFS Securities in an Unrealized Loss Position
| AtSeptember 30,2026 | AtDecember 31,2025 | |||
|---|---|---|---|---|
| $ in millions | Fair Value | Gross Unrealized Losses | Fair Value | Gross Unrealized Losses |
| U.S. Treasury securities | ||||
| Less than 12 months | $32,812 | $235 | $47 | $— |
| 12 months or longer | 658 | 7 | 7,440 | 25 |
| Total | 33,470 | 242 | 7,487 | 25 |
| U.S. agency securities | ||||
| Less than 12 months | 7,349 | 125 | 75 | — |
| 12 months or longer | 13,589 | 2,600 | 17,290 | 1,943 |
| Total | 20,938 | 2,725 | 17,365 | 1,943 |
| Agency CMBS | ||||
| Less than 12 months | 799 | 10 | 133 | — |
| 12 months or longer | 3,610 | 308 | 4,675 | 286 |
| Total | 4,409 | 318 | 4,808 | 286 |
| State and municipal securities | ||||
| Less than 12 months | 1,630 | 54 | 360 | 4 |
| 12 months or longer | 136 | 14 | 382 | 13 |
| Total | 1,766 | 68 | 742 | 17 |
| FFELP student loan ABS | ||||
| Less than 12 months | 3 | — | — | — |
| 12 months or longer | 328 | 6 | 383 | 6 |
| Total | 331 | 6 | 383 | 6 |
| Unallocated basis adjustment | — | — | — | 2 |
| Total AFS securities in an unrealized loss position | ||||
| Less than 12 months | 42,593 | 424 | 615 | 4 |
| 12 months or longer | 18,321 | 2,935 | 30,170 | 2,273 |
| Unallocated basis adjustment | — | — | — | 2 |
| Total | $60,914 | $3,359 | $30,785 | $2,279 |
For AFS securities, the Firm believes there are no securities in an unrealized loss position that have credit losses after performing the analysis described in Note 2 in the 2025 Form 10-K and the Firm expects to recover the amortized cost basis of these securities. Additionally, the Firm does not intend to sell these securities and is not likely to be required to sell these securities prior to recovery of the amortized cost basis. As of September 30, 2026 and December 31, 2025, the securities in an unrealized loss position are predominantly investment grade.
The HTM securities net carrying amounts at September 30, 2026 and December 31, 2025 reflect an ACL of $61 million and $60 million, respectively, predominantly related to Non-agency mortgage-backed securities. See Note 2 in the 2025 Form 10-K for a description of the ACL methodology used for HTM Securities.
As of September 30, 2026 and December 31, 2025,96% and 97%, respectively, of the Firm’s portfolio of HTM securities were investment grade U.S. agency securities, U.S. Treasury securities and Agency CMBS, which were on accrual status and for which there is an underlying assumption ofzero credit losses. Non-investment grade HTM securities primarily consisted of certain Non-agency mortgage-backed securities, for which the expected credit losses were insignificant and
| 57 | September 2026 Form 10-Q |
Table of Contents
Notes to Consolidated Financial Statements(Unaudited)
were predominantly on accrual status at September 30, 2026 and December 31, 2025.
See Note 14 for additional information on securities issued by VIEs, including U.S. agency mortgage-backed securities, non-agency mortgage-backed securities, and FFELP student loan ABS.
Investment Securities by Contractual Maturity
| At September 30, 2026 | |||
|---|---|---|---|
| $ in millions | Amortized Cost1 | Fair Value | Annualized Average Yield2,3 |
| AFS securities | |||
| U.S. Treasury securities: | |||
| Due within 1 year | $31,844 | $31,778 | 3.9% |
| After 1 year through 5 years | 42,230 | 42,137 | 4.0% |
| After 5 years through 10 years | 72 | 72 | 4.5% |
| Total | 74,146 | 73,987 | |
| U.S. agency securities: | |||
| Due within 1 year | 14 | 14 | 1.8% |
| After 1 year through 5 years | 232 | 217 | 1.9% |
| After 5 years through 10 years | 220 | 193 | 1.5% |
| After 10 years | 24,087 | 21,406 | 3.4% |
| Total | 24,553 | 21,830 | |
| Agency CMBS: | |||
| Due within 1 year | 168 | 167 | 2.3% |
| After 1 year through 5 years | 3,520 | 3,429 | 1.9% |
| After 5 years through 10 years | 138 | 132 | 1.6% |
| After 10 years | 901 | 681 | 1.6% |
| Total | 4,727 | 4,409 | |
| State and municipal securities: | |||
| Due within 1 year | 661 | 662 | 4.6% |
| After 1 year through 5 years | 98 | 95 | 4.3% |
| After 5 years through 10 years | 677 | 666 | 4.2% |
| After 10 Years | 1,712 | 1,666 | 4.4% |
| Total | 3,148 | 3,089 | |
| FFELP student loan ABS: | |||
| Due within 1 year | 52 | 51 | 4.6% |
| After 1 year through 5 years | 61 | 59 | 4.5% |
| After 5 years through 10 years | 4 | 4 | 4.5% |
| After 10 years | 287 | 285 | 4.6% |
| Total | 404 | 399 | |
| Unallocated basis adjustment4 | (12) | — | — |
| Total AFS securities | $106,966 | $103,714 | 3.8% |
| At September 30, 2026 | |||
|---|---|---|---|
| $ in millions | Amortized Cost1 | Fair Value | Annualized Average Yield2 |
| HTM securities | |||
| U.S. Treasury securities: | |||
| Due within 1 year | $1,551 | $1,533 | 2.2% |
| After 1 year through 5 years | 5,543 | 5,271 | 2.8% |
| After 10 years | 1,551 | 970 | 2.3% |
| Total | 8,645 | 7,774 | |
| U.S. agency securities: | |||
| After 1 year through 5 years | 116 | 107 | 2.0% |
| After 5 years through 10 years | 12 | 11 | 2.4% |
| After 10 years | 35,783 | 27,209 | 2.1% |
| Total | 35,911 | 27,327 | |
| Agency CMBS: | |||
| Due within 1 year | 303 | 296 | 1.4% |
| After 1 year through 5 years | 99 | 87 | 1.4% |
| After 5 years through 10 years | 100 | 80 | 1.5% |
| After 10 years | 11 | 9 | 1.4% |
| Total | 513 | 472 | |
| Non-agency mortgage-backed securities | |||
| Due within 1 year | 241 | 251 | 4.4% |
| After 1 year through 5 years | 859 | 832 | 4.4% |
| After 5 years through 10 years | 270 | 255 | 5.6% |
| After 10 years | 734 | 717 | 6.7% |
| Total | 2,104 | 2,055 | |
| Total HTM securities | $47,173 | $37,628 | 2.3% |
| Total investment securities | $154,139 | $141,342 | 3.3% |
Amounts are net of any ACL.
Annualized average yield is computed using the effective yield, weighted based on the amortized cost of each security. The effective yield is shown pre-tax and excludes the effect of related hedging derivatives.
At September 30, 2026, the annualized average yield, including the interest rate swap accrual of related hedges, was 3.9% for AFS securities contractually maturing within 1 year and 3.8% for all AFS securities.
Represents the amount of unallocated portfolio layer method basis adjustments related to AFS securities hedged in a closed portfolio. Portfolio layer method basis adjustments are not allocated to individual securities. Refer to Note 2 and Note 6 herein for additional information.
Gross Realized Gains (Losses) on Sales of AFS Securities
| Three Months EndedSeptember 30, | Nine Months EndedSeptember 30, | |||
|---|---|---|---|---|
| $ in millions | 2026 | 2025 | 2026 | 2025 |
| Gross realized gains | $17 | $3 | $35 | $25 |
| Gross realized (losses) | (1) | — | (6) | (1) |
| Total1 | $16 | $3 | $29 | $24 |
- Realized gains and losses are recognized in Other revenues in the income statement.
| September 2026 Form 10-Q | 58 |
|---|
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