# Portfolio overlap — HCASX vs SPMB

Comparing **The U.S. Mortgage/Asset Backed Fixed Income Securities Portfolio** (2025-12-31) and **State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETF** (2026-03-31).

- Shared positions: 438
- The U.S. Mortgage/Asset Backed Fixed Income Securities Portfolio covered by State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETF: 0.1476302914654755707105196237
- State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETF covered by The U.S. Mortgage/Asset Backed Fixed Income Securities Portfolio: 0.1476302914654755707105196240

## The U.S. Mortgage/Asset Backed Fixed Income Securities Portfolio — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| Vanguard Scottsdale Funds INTERMEDIATE-TERM TREASURY | 0.116768 |  |
| SS INST TREAS PLUS MM FUN | 0.081281 |  |
| ISHARES US TREASURY BOND ETF | 0.021627 |  |
| FNCL 2 1/26 | 0.007206 |  |
| FNCL 6 1/26 | 0.005361 |  |
| FNCL 2.5 1/26 | 0.005251 |  |
| FNCL 5.5 1/26 | 0.004201 |  |
| FNCL 3 1/26 | 0.003824 |  |
| G2 MA7704 | 0.003093 | ✓ |
| FNCL 4 1/26 | 0.002733 |  |
| G2SF 5 1/26 | 0.002604 |  |
| FNCL 4.5 1/26 | 0.002461 |  |
| G2SF 3 1/26 | 0.002269 |  |
| G2 MB0025 | 0.002210 |  |
| G2 MB0742 | 0.002188 |  |
| G2SF 6 1/25 | 0.002110 |  |
| Government National Mortgage Association, TBA | 0.002099 |  |
| G2 MB0090 | 0.002035 |  |
| G2 MA8428 | 0.002031 | ✓ |
| Uniform Mortgage-Backed Security, TBA | 0.002006 |  |
| FNCL 5 1/26 | 0.001976 |  |
| G2 MA7589 | 0.001975 | ✓ |
| G2 MA7417 | 0.001963 | ✓ |
| G2SF 4 1/26 | 0.001956 |  |
| Freddie Mac Pool | 0.001875 |  |
| FNCL 6.5 1/26 | 0.001872 |  |
| FNCI 2 1/26 | 0.001835 |  |
| Federal National Mortgage Association, Inc. | 0.001824 |  |
| FEDERAL HOME LOAN MORTGAGE CORPORATION | 0.001765 |  |
| FNMA POOL CB7651 FN 12/53 FIXED 6.5 | 0.001752 |  |
| FNCL 3.5 1/26 | 0.001749 |  |
| Uniform Mortgage-Backed Security, TBA | 0.001737 |  |
| G2SF 3.5 1/26 | 0.001721 |  |
| G2 MA8877 | 0.001707 |  |
| G2 MB0092 | 0.001654 | ✓ |
| FR SD8214 | 0.001567 | ✓ |
| FR SD6764 | 0.001567 |  |
| FNMA UMBS, 30 Year | 0.001563 |  |
| G2 MB0145 | 0.001531 |  |
| UMBS | 0.001526 |  |
| G2 MB0146 | 0.001526 | ✓ |
| FN CB9309 | 0.001520 |  |
| FN MA5585 | 0.001515 |  |
| Freddie Mac Pool | 0.001514 | ✓ |
| UMBS | 0.001514 |  |
| FR SD8505 | 0.001510 |  |
| FR SD8491 | 0.001505 |  |
| Federal National Mortgage Association, Inc. | 0.001484 |  |
| FN MA5107 | 0.001476 |  |
| Federal National Mortgage Association, Inc. | 0.001473 |  |

## State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| State Street Navigator Securities Lending Portfolio II | 0.070976 |  |
| FR RQ0094 | 0.008710 |  |
| FR RQ0041 | 0.008385 |  |
| FN MA4547 | 0.007875 |  |
| FR SD8212 | 0.006099 | ✓ |
| G2 MB0424 | 0.005894 | ✓ |
| FR SD8475 | 0.005678 | ✓ |
| FNCL 3.5 4/26 | 0.005642 |  |
| FN MA4701 | 0.005137 |  |
| G2SF 5 4/26 | 0.004903 |  |
| FN MA4465 | 0.004715 |  |
| UMBS Pool, 30 Year | 0.004567 |  |
| FNCL 2 4/26 | 0.004564 |  |
| Uniform Mortgage-Backed Securities | 0.004429 |  |
| FR SD8193 | 0.004342 | ✓ |
| FR SD8177 | 0.004319 | ✓ |
| G2SF 5.5 4/25 | 0.004252 |  |
| FR RQ0056 | 0.004243 |  |
| FR SD8454 | 0.004220 | ✓ |
| FR SD8167 | 0.004077 | ✓ |
| G2 MB0871 | 0.004062 |  |
| Fannie Mae Pool | 0.003819 |  |
| UMBS, 30 Year | 0.003798 | ✓ |
| FR RQ0040 | 0.003742 |  |
| FN MA4437 | 0.003710 | ✓ |
| Freddie Mac Pool | 0.003695 |  |
| G2 MB0365 | 0.003672 |  |
| G2 MB0485 | 0.003617 |  |
| FNMA 30YR 5.5% 10/01/2053#CB7336 | 0.003600 |  |
| UMBS | 0.003542 |  |
| G2 MB0092 | 0.003541 | ✓ |
| Fannie Mae Pool | 0.003536 |  |
| FN MA4512 | 0.003531 |  |
| FN MA5445 | 0.003527 | ✓ |
| FR SD8178 | 0.003517 |  |
| FR SD8342 | 0.003508 | ✓ |
| G2 MB0146 | 0.003465 | ✓ |
| FNCL 5 4/26 | 0.003403 |  |
| FR SD8121 | 0.003398 | ✓ |
| FR SD8243 | 0.003335 |  |
| FN MA4515 | 0.003269 |  |
| G2SF 6 4/25 | 0.003262 |  |
| FNCL 6.5 4/26 | 0.003209 |  |
| FR SD8492 | 0.003185 |  |
| FR RQ0013 | 0.003069 |  |
| FN MA5528 | 0.003036 |  |
| FN MA5164 | 0.003031 |  |
| G2 MA7826 | 0.003018 | ✓ |
| FN MA5530 | 0.003010 |  |
| FR SD8140 | 0.002995 |  |


## Sources

- N-PORT (fund A) — accession `0001004726-26-001165` (as of 2025-12-31)
  <https://www.sec.gov/Archives/edgar/data/934563/000100472626001165/0001004726-26-001165-index.htm>
- N-PORT (fund B) — accession `0001410368-26-055567` (as of 2026-03-31)
  <https://www.sec.gov/Archives/edgar/data/1064642/000141036826055567/0001410368-26-055567-index.htm>

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