SPDR Series Trust - State Street SPDR Portfolio Aggregate Bond ETF
US ˙ ARCA ˙ US78464A6495

SecuritySPAB / SPDR Series Trust - State Street SPDR Portfolio Aggregate Bond ETF
InstitutionVestmark Advisory Solutions, Inc.
Latest Disclosed Ownership1,860,597 shares
Latest Disclosed Value $ 47,668,509
Vestmark Advisory Solutions, Inc. reports 27.39% increase in ownership of SPAB / SPDR Series Trust - State Street SPDR Portfolio Aggregate Bond ETF

On May 15, 2026 - Vestmark Advisory Solutions, Inc. filed a 13F-HR form disclosing ownership of 1,860,597 shares of SPDR Series Trust - State Street SPDR Portfolio Aggregate Bond ETF (US:SPAB) valued at $47,668,495 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 1,460,547 shares of SPDR Series Trust - State Street SPDR Portfolio Aggregate Bond ETF. This represents a change in shares of 27.39% during the quarter. The current value of the position is $47,259,164 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)
2026-05-15 2026-03-31 13F SPDR SERIES TRUST STATE STREET SPD 78464A649 1,860,597 400,050 27.39 47,669 26.75 0.3276
2026-02-06 2025-12-31 13F SPDR SERIES TRUST STATE STREET SPD 78464A649 1,460,547 569,983 64.00 37,609 63.37 0.5075
2025-11-10 2025-09-30 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 890,564 800,621 890.14 23,021 900.04 0.4388
2025-08-06 2025-06-30 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 89,943 89,943 2,303 0.0333
2023-11-06 2023-09-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 0 -77,642 -100.00 0 -100.00
2023-08-07 2023-06-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 77,642 -3,323 -4.10 1,970 -5.70 0.0750
2023-05-09 2023-03-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 80,965 6,482 8.70 2,088 11.60 0.0904
2023-01-20 2022-12-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 74,483 -4,036 -5.14 1,872 -4.49 0.0912
2022-11-03 2022-09-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 78,519 5,686 7.81 1,959 2.08 0.1092
2022-08-04 2022-06-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 72,833 5,554 8.26 1,919 2.62 0.1096
2022-04-27 2022-03-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 67,279 1,867 2.85 1,870 -3.46 0.1059
2022-01-31 2021-12-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 65,412 -2,502 -3.68 1,937 -4.44 0.1093
2021-11-15 2021-09-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 67,914 59 0.09 2,027 -0.44 0.1373
2021-08-09 2021-06-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 67,855 22,067 48.19 2,036 49.93 0.1449
2021-05-10 2021-03-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 45,788 -7,887 -14.69 1,358 -17.85 0.1205
2021-02-04 2020-12-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 53,675 -7,082 -11.66 1,653 -11.70 0.1855
2020-10-19 2020-09-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 60,757 -1,786 -2.86 1,872 -3.01 0.2515
2020-08-13 2020-06-30 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 62,543 -5,937 -8.67 1,930 -6.72 0.2986
2020-05-06 2020-03-31 13F SPDR SER TR PORTFOLIO AGRGTE 78464A649 68,480 -23,853 -25.83 2,069 -27.35 0.4045
2020-02-14 2019-12-31 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 92,333 76,759 492.87 2,848 516.45 0.5844
2019-11-05 2019-09-30 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 15,574 5,372 52.66 462 55.03 0.0749
2019-08-20 2019-06-30 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 10,202 267 2.69 298 4.93 0.0510
2019-05-14 2019-03-31 13F SPDR SERIES TRUST PORTFOLIO AGRGTE 78464A649 9,935 9,935 284 0.0506
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.