William Blair & Company’s iShares 1-5 Year Investment Grade Corporate Bond ETF IGSB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$5.79M Buy
110,159
+6,662
+6% +$352K 0.02% 475
2025
Q4
$5.47M Buy
103,497
+19,234
+23% +$1.02M 0.01% 492
2025
Q3
$4.47M Hold
84,263
0.01% 548
2025
Q2
$4.45M Sell
84,263
-4,174
-5% -$218K 0.01% 522
2025
Q1
$4.63M Buy
88,437
+10,040
+13% +$522K 0.01% 504
2024
Q4
$4.05M Buy
78,397
+13,425
+21% +$698K 0.01% 553
2024
Q3
$3.42M Buy
64,972
+699
+1% +$36.4K 0.01% 589
2024
Q2
$3.29M Sell
64,273
-2,288
-3% -$117K 0.01% 572
2024
Q1
$3.41M Buy
66,561
+3,617
+6% +$185K 0.01% 561
2023
Q4
$3.23M Sell
62,944
-1,651
-3% -$82.9K 0.01% 558
2023
Q3
$3.22M Sell
64,595
-3,291
-5% -$165K 0.01% 543
2023
Q2
$3.41M Sell
67,886
-2,076
-3% -$105K 0.01% 532
2023
Q1
$3.54M Buy
69,962
+9,131
+15% +$458K 0.01% 519
2022
Q4
$3.03M Sell
60,831
-8,169
-12% -$404K 0.01% 538
2022
Q3
$3.4M Buy
69,000
+28,716
+71% +$1.45M 0.02% 502
2022
Q2
$2.04M Buy
40,284
+10,976
+37% +$559K 0.01% 637
2022
Q1
$1.52M Sell
29,308
-32,944
-53% -$1.74M 0.01% 774
2021
Q4
$3.35M Sell
62,252
-4,675
-7% -$253K 0.01% 584
2021
Q3
$3.66M Sell
66,927
-2,582
-4% -$141K 0.01% 530
2021
Q2
$3.81M Sell
69,509
-5,166
-7% -$283K 0.01% 527
2021
Q1
$4.08M Buy
74,675
+5,418
+8% +$298K 0.02% 500
2020
Q4
$3.82M Buy
69,257
+9,485
+16% +$521K 0.01% 494
2020
Q3
$3.28M Buy
59,772
+28,556
+91% +$1.57M 0.01% 480
2020
Q2
$1.71M Buy
31,216
+971
+3% +$52.3K 0.01% 593
2020
Q1
$1.58M Sell
30,245
-8,773
-22% -$467K 0.01% 564
2019
Q4
$2.09M Buy
39,018
+1,220
+3% +$65.4K 0.01% 592
2019
Q3
$3.92M Buy
37,798
+1,763
+5% +$94.3K 0.02% 422
2019
Q2
$3.74M Buy
36,035
+5,921
+20% +$313K 0.02% 442
2019
Q1
$3.12M Buy
30,114
+4,036
+15% +$211K 0.02% 450
2018
Q4
$2.7M Buy
26,078
+3,562
+16% +$184K 0.02% 456
2018
Q3
$1.17M Sell
22,516
-3,730
-14% -$193K 0.01% 693
2018
Q2
$1.36M Buy
26,246
+2,246
+9% +$116K 0.01% 637
2018
Q1
$1.25M Sell
24,000
-500
-2% -$26K 0.01% 648
2017
Q4
$1.28M Sell
24,500
-300
-1% -$15.7K 0.01% 677
2017
Q3
$1.31M Buy
24,800
+2,480
+11% +$131K 0.01% 660
2017
Q2
$1.18M Sell
22,320
-1,170
-5% -$61.6K 0.01% 708
2017
Q1
$1.24M Sell
23,490
-900
-4% -$47.3K 0.01% 651
2016
Q4
$1.28M Buy
24,390
+6,190
+34% +$326K 0.01% 592
2016
Q3
$962K Sell
18,200
-2,500
-12% -$132K 0.01% 659
2016
Q2
$1.1M Buy
20,700
+5,110
+33% +$270K 0.01% 613
2016
Q1
$822K Hold
15,590
0.01% 665
2015
Q4
$815K Hold
15,590
0.01% 674
2015
Q3
$819K Hold
15,590
0.01% 811
2015
Q2
$821K Hold
15,590
﹤0.01% 1626
2015
Q1
$823K Hold
15,590
﹤0.01% 1593
2014
Q4
$820K Hold
15,590
﹤0.01% 1550
2014
Q3
$821K Sell
15,590
-3,818
-20% -$201K ﹤0.01% 1539
2014
Q2
$1.03M Sell
19,408
-68,388
-78% -$3.61M ﹤0.01% 1451
2014
Q1
$4.63M Buy
87,796
+75,186
+596% +$3.97M 0.01% 993
2013
Q4
$665K Sell
12,610
-1,200
-9% -$63.2K ﹤0.01% 1501
2013
Q3
$727K Buy
13,810
+720
+6% +$37.8K ﹤0.01% 1433
2013
Q2
$687K Buy
+13,090
New +$690K ﹤0.01% 1400

Other funds holding IGSB

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

William Blair & Company increased its iShares 1-5 Year Investment Grade Corporate Bond ETF (IGSB) stake by 6.4% in Q1 2026, buying an estimated $352K and bringing the position to 110,159 shares worth $5.79M. The position accounts for 0.02% of the portfolio, ranked #475.

William Blair & Company first reported a position in IGSB in Q2 2013 and has held it in 52 quarters since. 1,013 funds tracked by Wall St. Rank hold IGSB as of Q1 2026.

  • William Blair & Company held 110,159 shares of iShares 1-5 Year Investment Grade Corporate Bond ETF worth $5.79M as of Q1 2026.
  • William Blair & Company bought 6,662 iShares 1-5 Year Investment Grade Corporate Bond ETF shares in Q1 2026, an estimated $352K.
  • iShares 1-5 Year Investment Grade Corporate Bond ETF made up 0.02% of William Blair & Company's portfolio in Q1 2026, its #475 holding.
  • William Blair & Company first reported a position in iShares 1-5 Year Investment Grade Corporate Bond ETF in Q2 2013 and has held it in 52 quarters since.
  • 1,013 funds tracked by Wall St. Rank held iShares 1-5 Year Investment Grade Corporate Bond ETF as of Q1 2026.

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