Mason Street Advisors’s State Street SPDR Portfolio Long Term Treasury ETF SPTL Stock Holding History

Mason Street Advisors’s Portfolio SPTL Stock Details SPTL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$105M	Buy	4,005,960 +7,240	+0.2%	+$189K	9.47%	3
2026 Q1	$105M	Buy	3,998,720 +1,040	+0%	+$27.7K	10.28%	3
2025 Q4	$106M	Buy	3,997,680 +35,040	+0.9%	+$945K	10.41%	3
2025 Q3	$107M	Buy	3,962,640 +87,740	+2%	+$2.32M	11.07%	3
2025 Q2	$103M	Buy	3,874,900 +181,800	+5%	+$4.77M	12.05%	3
2025 Q1	$101M	Sell	3,693,100 -6,900	-0.2%	-$184K	12.81%	3
2024 Q4	$96.9M	Hold	3,700,000	–	–	12.54%	3
2024 Q3	$108M	Hold	3,700,000	–	–	13.06%	3
2024 Q2	$101M	Buy	+3,700,000	New	+$99.9M	13.55%	3

Other funds holding SPTL

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Financial Engines Advisors Santa Clara, California $56.3B AUM 17.83% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

MERSOM

Municipal Employees' Retirement System of Michigan Lansing, Michigan $9.05B AUM 13.04% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.9% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

AssetMark Inc Concord, California $58.2B AUM 22.78% 1-Year Est. Return

Mason Street Advisors's SPTL Position: Q2 2026 in Review

Mason Street Advisors increased its State Street SPDR Portfolio Long Term Treasury ETF (SPTL) stake by 0.18% in Q2 2026, buying an estimated $189K and bringing the position to 4,005,960 shares worth $105M. The position accounts for 9.47% of the portfolio, ranked #3.

Mason Street Advisors first reported a position in SPTL in Q2 2024 and has held it in 9 quarters since. The position peaked at $108M in Q3 2024. 483 funds tracked by Wall St. Rank hold SPTL as of Q2 2026.

Mason Street Advisors held 4,005,960 shares of State Street SPDR Portfolio Long Term Treasury ETF worth $105M as of Q2 2026.
Mason Street Advisors bought 7,240 State Street SPDR Portfolio Long Term Treasury ETF shares in Q2 2026, an estimated $189K.
State Street SPDR Portfolio Long Term Treasury ETF made up 9.47% of Mason Street Advisors's portfolio in Q2 2026, its #3 holding.
Mason Street Advisors first reported a position in State Street SPDR Portfolio Long Term Treasury ETF in Q2 2024 and has held it in 9 quarters since.
Mason Street Advisors's State Street SPDR Portfolio Long Term Treasury ETF position peaked at $108M in Q3 2024.
483 funds tracked by Wall St. Rank held State Street SPDR Portfolio Long Term Treasury ETF as of Q2 2026.

Based on Mason Street Advisors's 13F filing for Q2 2026, filed 12 Aug 2026.