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 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 $2.9T AUM 29.55% 1-Year Est. Return

Financial Engines Advisors Santa Clara, California $49.2B AUM 14.31% 1-Year Est. Return

MERSOM

Municipal Employees' Retirement System of Michigan Lansing, Michigan $8.81B AUM 10.88% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

Mather Group Chicago, Illinois $11.5B AUM 18.82% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Mason Street Advisors's SPTL Position: Q1 2026 in Review

Mason Street Advisors increased its State Street SPDR Portfolio Long Term Treasury ETF (SPTL) stake by 0.03% in Q1 2026, buying an estimated $27.7K and bringing the position to 3,998,720 shares worth $105M. The position accounts for 10.28% of the portfolio, ranked #3.

Mason Street Advisors first reported a position in SPTL in Q2 2024 and has held it in 8 quarters since. The position peaked at $108M in Q3 2024. 481 funds tracked by Wall St. Rank hold SPTL as of Q1 2026.

Mason Street Advisors held 3,998,720 shares of State Street SPDR Portfolio Long Term Treasury ETF worth $105M as of Q1 2026.
Mason Street Advisors bought 1,040 State Street SPDR Portfolio Long Term Treasury ETF shares in Q1 2026, an estimated $27.7K.
State Street SPDR Portfolio Long Term Treasury ETF made up 10.28% of Mason Street Advisors's portfolio in Q1 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 8 quarters since.
Mason Street Advisors's State Street SPDR Portfolio Long Term Treasury ETF position peaked at $108M in Q3 2024.
481 funds tracked by Wall St. Rank held State Street SPDR Portfolio Long Term Treasury ETF as of Q1 2026.

Based on Mason Street Advisors's 13F filing for Q1 2026, filed 7 May 2026.