William Blair & Company
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William Blair & Company’s Steel Dynamics STLD Stock Holding History

William Blair & Company’s Portfolio STLD Stock Details STLD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$442K Buy
2,458
+173
+8% +$31.5K ﹤0.01% 1193
2025
Q4 		$387K Buy
2,285
+796
+53% +$126K ﹤0.01% 1222
2025
Q3 		$208K Sell
1,489
-324
-18% -$42.5K ﹤0.01% 1454
2025
Q2 		$232K Buy
1,813
+100
+6% +$12.8K ﹤0.01% 1363
2025
Q1 		$214K Buy
+1,713
New +$217K ﹤0.01% 1381
2024
Q4 		– Sell
-1,938
Closed -$244K – 1883
2024
Q3 		$244K Sell
1,938
-352
-15% -$42.8K ﹤0.01% 1369
2024
Q2 		$296K Buy
2,290
+12
+0.5% +$1.6K ﹤0.01% 1275
2024
Q1 		$338K Buy
2,278
+20
+0.9% +$2.51K ﹤0.01% 1212
2023
Q4 		$267K Buy
2,258
+156
+7% +$17.4K ﹤0.01% 1296
2023
Q3 		$225K Sell
2,102
-2,015
-49% -$210K ﹤0.01% 1351
2023
Q2 		$448K Sell
4,117
-527
-11% -$53.6K ﹤0.01% 1091
2023
Q1 		$525K Sell
4,644
-20
-0.4% -$2.33K ﹤0.01% 1031
2022
Q4 		$456K Sell
4,664
-596
-11% -$57.3K ﹤0.01% 1071
2022
Q3 		$373K Sell
5,260
-470
-8% -$35.6K ﹤0.01% 1141
2022
Q2 		$379K Sell
5,730
-122
-2% -$9.77K ﹤0.01% 1174
2022
Q1 		$488K Buy
5,852
+996
+21% +$67.2K ﹤0.01% 1162
2021
Q4 		$301K Buy
+4,856
New +$304K ﹤0.01% 1415
2015
Q3 		– Sell
-49,734
Closed -$1.03M – 1527
2015
Q2 		$1.03M Buy
49,734
+4,730
+11% +$102K ﹤0.01% 1572
2015
Q1 		$904K Buy
45,004
+3,574
+9% +$66.6K ﹤0.01% 1573
2014
Q4 		$817K Sell
41,430
-7,678
-16% -$166K ﹤0.01% 1553
2014
Q3 		$1.11M Buy
49,108
+38
+0.1% +$831 ﹤0.01% 1431
2014
Q2 		$880K Buy
49,070
+155
+0.3% +$2.79K ﹤0.01% 1500
2014
Q1 		$870K Sell
48,915
-960
-2% -$16.8K ﹤0.01% 1468
2013
Q4 		$974K Buy
49,875
+2,450
+5% +$44.9K ﹤0.01% 1396
2013
Q3 		$793K Buy
47,425
+11,695
+33% +$186K ﹤0.01% 1404
2013
Q2 		$532K Buy
+35,730
New +$535K ﹤0.01% 1489

Other funds holding STLD

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
LCIP
Life Cycle Investment Partners London $15.7B AUM
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

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

William Blair & Company increased its Steel Dynamics (STLD) stake by 7.6% in Q1 2026, buying an estimated $31.5K and bringing the position to 2,458 shares worth $442K. The position accounts for ﹤0.01% of the portfolio, ranked #1193.

William Blair & Company first reported a position in STLD in Q2 2013 and has held it in 26 quarters since. The position peaked at $1.11M in Q3 2014. 933 funds tracked by Wall St. Rank hold STLD as of Q1 2026.

  • William Blair & Company held 2,458 shares of Steel Dynamics worth $442K as of Q1 2026.
  • William Blair & Company bought 173 Steel Dynamics shares in Q1 2026, an estimated $31.5K.
  • Steel Dynamics made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1193 holding.
  • William Blair & Company first reported a position in Steel Dynamics in Q2 2013 and has held it in 26 quarters since.
  • William Blair & Company's Steel Dynamics position peaked at $1.11M in Q3 2014.
  • 933 funds tracked by Wall St. Rank held Steel Dynamics as of Q1 2026.

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