William Blair & Company
SPTB

William Blair & Company’s State Street SPDR Portfolio Treasury ETF SPTB Stock Holding History

William Blair & Company’s Portfolio SPTB Stock Details SPTB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.82K Hold
60
– – ﹤0.01% 1895
2025
Q4 		$1.82K Buy
60
+1
+2% +$31 ﹤0.01% 1838
2025
Q3 		$1.81K Buy
+59
New +$1.79K ﹤0.01% 1824

Other funds holding SPTB

GI
GLOBALT Investments Atlanta, Georgia $2.8B AUM 21.13% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
PAS
Park Avenue Securities New York $16B AUM 26.77% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
DJSG
D.J. St. Germain Springfield, Massachusetts $2.78B AUM 23.87% 1-Year Est. Return
PR
Payden & Rygel Los Angeles, California $1.3B AUM 28.32% 1-Year Est. Return
ICMP
Integrated Capital Management (Pennsylvania) Jessup, Pennsylvania $143M AUM 18.2% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
Truist Financial
Truist Financial Charlotte, North Carolina $74.2B AUM 21.09% 1-Year Est. Return
NRW
Nova R Wealth Overland Park, Kansas $343M AUM 17.7% 1-Year Est. Return

William Blair & Company's SPTB Position: Q1 2026 in Review

William Blair & Company held its State Street SPDR Portfolio Treasury ETF (SPTB) position steady in Q1 2026 at 60 shares worth $1.82K. The position accounts for ﹤0.01% of the portfolio, ranked #1895.

William Blair & Company first reported a position in SPTB in Q3 2025 and has held it in 3 quarters since. 36 funds tracked by Wall St. Rank hold SPTB as of Q1 2026.

  • William Blair & Company held 60 shares of State Street SPDR Portfolio Treasury ETF worth $1.82K as of Q1 2026.
  • William Blair & Company left its State Street SPDR Portfolio Treasury ETF share count unchanged in Q1 2026.
  • State Street SPDR Portfolio Treasury ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1895 holding.
  • William Blair & Company first reported a position in State Street SPDR Portfolio Treasury ETF in Q3 2025 and has held it in 3 quarters since.
  • 36 funds tracked by Wall St. Rank held State Street SPDR Portfolio Treasury ETF as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.