13FBOX
Western Digital Corporation · 13F Institutional Holdings
Options Calculator Rankings
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Western Digital Corporation

WDC
Institutions
9
Combined AUM (Q2 2026)
$1.78B
Combined Shares (Q2 2026)
2.8M
Overall Trend
Increase
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+1.3M
6 institutions added · 3 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-49,300
4 institutions reduced · 1 exits
Est. sell amount
⚖️ Net Share Change
+1.2M
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.78B
Institutions
9
New Buys
3
Adds
3
Reduces
3
Exits
1
Unchanged
0
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
IMC-Chicago, LLC
0.32%0.1%#1$1.33B2.1M$273.9M1.0M+1.1M+105.94%Add
SIMPLEX TRADING, LLC
0.1%0.05%#3$160.1M257,100$71.8M272,000-14,900-5.48%Reduce
JPMORGAN CHASE & CO
0.01%<0.01%#6$156.5M240,100$12.9M51,100+189,000+369.86%Add
GROUP ONE TRADING LLC
0.15%0.09%#2$112.1M175,500$44.8M165,500+10,000+6.04%Add
CMT Capital Markets Trading GmbH
0.08%0.09%#4$9.8M15,400$7.8M28,700-13,300-46.34%Reduce
NATIONAL BANK OF CANADA /FI/
<0.01%#8$2.4M3,750$00+3,750New Buy
Capital Markets Trading UK LLP
0.02%#5$1.6M2,500$00+2,500New Buy
Clal Insurance Enterprises Holdings Ltd
<0.01%<0.01%#7$830,3361,300$2,0983,700-2,400-64.86%Reduce
AlphaCore Capital LLC
<0.01%#9$19,17030$00+30New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow