Texas Treasury Safekeeping Trust Co.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed July 24, 2026), Texas Treasury Safekeeping Trust Co. reported 3 stock positions worth $767.8 million. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 94.3% of the portfolio, followed by Janus Henderson Short Durati (VNLA, 4.4%) and iShares Bitcoin Trust ETF (IBIT, 1.3%). Compared with Q3 2025, it opened 1 new position and added to 1. The biggest buy was a new position in iShares Bitcoin Trust ETF (IBIT).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0001176347
Portfolio Value
$767.8M (Q4 2025)
SEC Filing
0001176347-26-000007 ↗ filed Jul 24, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B Q1 2024: $3.1B Q1 2024 Q2 2024: $2.6B Q2 2024 Q3 2024: $2.8B Q3 2024 Q4 2024: $3.0B Q4 2024 Q1 2025: $1.2B Q1 2025 Q2 2025: $630.8M Q2 2025 Q3 2025: $701.5M Q3 2025 Q4 2025: $767.8M $767.8M Q4 2025 Q1 2026: $627.8M Q1 2026 Q2 2026: $692.1M Q2 2026

Holdings 3 stocks · $767.8M

SPY SS SPDR S&P 500 ETF Trust-US 94.32% 1,062,013 $724.2M Add +6.0%
VNLA Janus Henderson Short Durati 4.40% 686,991 $33.8M No change
IBIT iShares Bitcoin Trust ETF 1.28% 197,844 $9.8M New

Portfolio Sells Q3 2025 → Q4 2025

None this quarter.

Portfolio Buys Q3 2025 → Q4 2025

IBIT iShares Bitcoin Trust ETF New 1.28% +1.28
SPY SS SPDR S&P 500 ETF Trust-US Add +6.0% 94.32% −0.85

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$692.1MSPY, GLD, VTWO, OTF, VNLA
Q1 2026Amended 5$627.8MSPY, GLD, VNLA, IBIT, RYTM
Q4 2025Amended 3$767.8MSPY, VNLA, IBIT
Q3 2025 2$701.5MSPY, VNLA
Q2 2025 4$630.8MSPY, VNLA, BND, VT
Q1 2025 5$1.2BBND, SPY, VNLA, TEM, VT
Q4 2024 10$3.0BVT, BND, SPY, VGIT, VNLA
Q3 2024 10$2.8BVT, BND, SPY, VGIT, VNLA
Q2 2024 10$2.6BVT, BND, SPY, VGIT, VNLA
Q1 2024 10$3.1BVT, BND, SPY, VGIT, VNLA