13FBOX
FISERV INC · 13F Institutional Holdings
Options Calculator Rankings

FISERV INC

FI
Institutions
6
Combined AUM (Q2 2026)
$70.8M
Combined Shares (Q2 2026)
1.4M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+384,700
4 · 1 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-83,900
1 · 0 Exit · ≈
⚖️ Net
+300,800
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$70.8M
Institutions
6
New Buys
1
Adds
3
Reduces
1
Exits
0
Unchanged
1
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
IMC-Chicago, LLC
0.01%0.01%#2$39.1M797,500$26.3M472,000+325,500+68.96%Add
Optiver Holding B.V.
<0.01%0.01%#5$17.7M361,800$24.9M445,700-83,900-18.82%Reduce
SIMPLEX TRADING, LLC
<0.01%<0.01%#4$8.1M165,200$7.1M127,200+38,000+29.87%Add
GROUP ONE TRADING LLC
0.01%0.01%#3$4.5M92,600$4.7M84,700+7,900+9.33%Add
Maven Securities LTD
0.01%0.01%#1$652,56413,300$742,07413,30000.00%Unchanged
HRT FINANCIAL LP
<0.01%#6$652,36513,300$00+13,300New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow