William Blair & Company’s State Street SPDR Bloomberg 1-3 Month T-Bill ETF BIL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$802K Sell
8,752
-4,919
-36% -$450K ﹤0.01% 1008
2025
Q4
$1.25M Sell
13,671
-12,982
-49% -$1.19M ﹤0.01% 879
2025
Q3
$2.45M Sell
26,653
-5,821
-18% -$533K 0.01% 685
2025
Q2
$2.98M Buy
32,474
+9,879
+44% +$905K 0.01% 627
2025
Q1
$2.07M Buy
22,595
+15,188
+205% +$1.39M 0.01% 705
2024
Q4
$677K Sell
7,407
-762
-9% -$69.8K ﹤0.01% 1007
2024
Q3
$750K Buy
8,169
+530
+7% +$48.6K ﹤0.01% 991
2024
Q2
$701K Buy
7,639
+622
+9% +$57K ﹤0.01% 985
2024
Q1
$644K Buy
7,017
+2,428
+53% +$222K ﹤0.01% 1019
2023
Q4
$419K Sell
4,589
-1,105
-19% -$101K ﹤0.01% 1120
2023
Q3
$523K Buy
5,694
+1,068
+23% +$97.9K ﹤0.01% 1042
2023
Q2
$425K Sell
4,626
-3,126
-40% -$286K ﹤0.01% 1109
2023
Q1
$712K Buy
7,752
+2,322
+43% +$213K ﹤0.01% 928
2022
Q4
$497K Buy
5,430
+1,968
+57% +$180K ﹤0.01% 1044
2022
Q3
$317K Buy
3,462
+2,180
+170% +$199K ﹤0.01% 1204
2022
Q2
$117K Buy
1,282
+37
+3% +$3.38K ﹤0.01% 1511
2022
Q1
$114K Buy
1,245
+170
+16% +$15.5K ﹤0.01% 1616
2021
Q4
$98K Buy
1,075
+126
+13% +$11.5K ﹤0.01% 1698
2021
Q3
$87K Sell
949
-25
-3% -$2.29K ﹤0.01% 1628
2021
Q2
$89K Sell
974
-1,123
-54% -$103K ﹤0.01% 1625
2021
Q1
$192K Sell
2,097
-155
-7% -$14.2K ﹤0.01% 1492
2020
Q4
$206K Sell
2,252
-2
-0.1% -$183 ﹤0.01% 1419
2020
Q3
$206K Sell
2,254
-375
-14% -$34.3K ﹤0.01% 1290
2020
Q2
$241K Buy
2,629
+1,166
+80% +$107K ﹤0.01% 1172
2020
Q1
$134K Buy
1,463
+457
+45% +$41.8K ﹤0.01% 1265
2019
Q4
$92K Hold
1,006
﹤0.01% 1418
2019
Q3
$92K Buy
1,006
+7
+0.7% +$641 ﹤0.01% 1388
2019
Q2
$92K Buy
999
+499
+100% +$45.7K ﹤0.01% 1431
2019
Q1
$46K Hold
500
﹤0.01% 1480
2018
Q4
$46K Buy
+500
New +$45.8K ﹤0.01% 1403

Other funds holding BIL

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

William Blair & Company reduced its State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) stake by 36% in Q1 2026, selling an estimated $450K and leaving 8,752 shares worth $802K. The position accounts for ﹤0.01% of the portfolio, ranked #1008.

William Blair & Company first reported a position in BIL in Q4 2018 and has held it in 30 quarters since. The position peaked at $2.98M in Q2 2025. 1,309 funds tracked by Wall St. Rank hold BIL as of Q1 2026.

  • William Blair & Company held 8,752 shares of State Street SPDR Bloomberg 1-3 Month T-Bill ETF worth $802K as of Q1 2026.
  • William Blair & Company sold 4,919 State Street SPDR Bloomberg 1-3 Month T-Bill ETF shares in Q1 2026, an estimated $450K.
  • State Street SPDR Bloomberg 1-3 Month T-Bill ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1008 holding.
  • William Blair & Company first reported a position in State Street SPDR Bloomberg 1-3 Month T-Bill ETF in Q4 2018 and has held it in 30 quarters since.
  • William Blair & Company's State Street SPDR Bloomberg 1-3 Month T-Bill ETF position peaked at $2.98M in Q2 2025.
  • 1,309 funds tracked by Wall St. Rank held State Street SPDR Bloomberg 1-3 Month T-Bill ETF as of Q1 2026.

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