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

MEDIAALPHA INC

MAX
Institutions
156
Combined AUM (Q2 2026)
$614.8M
Combined Shares (Q2 2026)
49.0M
Overall Trend
Decrease
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+4.6M
69 · 23 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-5.1M
96 · 29 Exit · ≈
⚖️ Net
-587,567
Net Sell
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$614.8M
Institutions
156
New Buys
23
Adds
46
Reduces
67
Exits
29
Unchanged
20
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
WHITE MOUNTAINS INSURANCE GROUP LTD
57.03%52.99%#1$224.5M17.9M$166.1M17.9M00.00%Unchanged
BlackRock, Inc.
<0.01%<0.01%#73$42.6M3.4M$32.3M3.5M-84,330-2.43%Reduce
Clearline Capital LP
2.04%1.25%#6$34.1M2.7M$24.1M2.6M+123,220+4.76%Add
JPMORGAN CHASE & CO
<0.01%<0.01%#54$23.3M1.9M$16.5M1.7M+134,383+7.70%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#91$16.0M1.3M$12.9M1.4M-109,360-7.89%Reduce
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#69$13.4M1.1M$10.0M1.1M-1,776-0.17%Reduce
Divisadero Street Capital Management, LP
0.29%0.03%#9$12.8M1.0M$808,23586,907+933,081+1,073.65%Add
JACOBS LEVY EQUITY MANAGEMENT, INC
0.04%0.03%#17$12.2M971,232$7.0M750,054+221,178+29.49%Add
ACADIAN ASSET MANAGEMENT LLC
0.01%0.01%#24$12.0M957,095$7.9M847,199+109,896+12.97%Add
JACOBS ASSET MANAGEMENT, LLC
7.27%5.15%#2$11.6M919,761$8.6M924,443-4,682-0.51%Reduce
STATE STREET CORP
<0.01%<0.01%#93$10.8M862,235$7.8M838,161+24,074+2.87%Add
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
<0.01%0.01%#31$10.4M829,958$9.9M1.1M-232,023-21.85%Reduce
MORGAN STANLEY
<0.01%<0.01%#77$10.3M821,170$9.9M872,031-50,861-5.83%Reduce
Nuveen, LLC
<0.01%<0.01%#40$9.5M752,447$6.5M701,399+51,048+7.28%Add
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#49$8.8M701,914$5.8M620,669+81,245+13.09%Add
J. Goldman & Co LP
0.22%0.51%#10$8.6M686,470$17.4M1.9M-1.2M-63.31%Reduce
CITADEL ADVISORS LLC
<0.01%<0.01%#60$8.5M672,996$2.7M292,823+380,173+129.83%Add
JANE STREET GROUP, LLC
<0.01%<0.01%#74$7.5M596,625$3.3M350,108+246,517+70.41%Add
RENAISSANCE TECHNOLOGIES LLC
0.01%0.01%#28$7.2M574,407$6.7M719,300-144,893-20.14%Reduce
Shay Capital LLC
0.46%0.6%#8$7.2M570,000$7.2M775,000-205,000-26.45%Reduce
D. E. Shaw & Co., Inc.
<0.01%<0.01%#37$6.7M535,926$3.2M342,058+193,868+56.68%Add
SPEECE THORSON CAPITAL GROUP INC
1.31%1.06%#7$6.1M489,098$4.6M499,011-9,913-1.99%Reduce
EVR Research LP
2.73%#5$5.5M440,000$00+440,000New Buy
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#99$5.4M433,046$5.1M546,745-113,699-20.80%Reduce
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#81$5.4M428,866$5.8M623,421-194,555-31.21%Reduce
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#34$5.1M409,480$1.6M175,289+234,191+133.60%Add
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#47$4.9M391,641$4.5M481,951-90,310-18.74%Reduce
HRT FINANCIAL LP
0.01%0.01%#29$4.7M372,929$3.1M329,332+43,597+13.24%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#95$4.7M371,840$2.6M279,704+92,136+32.94%Add
Triad Investment Management
5.11%3.67%#3$4.6M368,731$3.1M333,864+34,867+10.44%Add
Stoic Point Capital Management LLC
3.13%2%#4$3.7M297,150$2.1M221,041+76,109+34.43%Add
NORTHERN TRUST CORP
<0.01%<0.01%#89$3.4M267,107$2.5M271,824-4,717-1.74%Reduce
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#86$3.3M259,224$2.6M274,339-15,115-5.51%Reduce
Squarepoint Ops LLC
<0.01%<0.01%#36$2.9M234,255$2.0M215,541+18,714+8.68%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#75$2.8M223,917$2.1M227,112-3,195-1.41%Reduce
TEACHER RETIREMENT SYSTEM OF TEXAS
0.01%0.01%#30$2.7M216,405$1.7M185,325+31,080+16.77%Add
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#56$2.6M209,204$522,71656,206+152,998+272.21%Add
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
<0.01%<0.01%#87$2.3M180,171$1.7M180,511-340-0.19%Reduce
XTX Topco Ltd
0.03%0.02%#21$2.2M172,269$1.4M146,838+25,431+17.32%Add
ALGERT GLOBAL LLC
0.03%0.01%#22$2.1M170,870$786,00084,510+86,360+102.19%Add
Man Group plc
<0.01%<0.01%#39$2.0M156,754$1.3M136,707+20,047+14.66%Add
ALLIANCEBERNSTEIN L.P.
<0.01%<0.01%#72$2.0M211,450$2.7M205,440+6,010+2.93%Add
PRINCIPAL FINANCIAL GROUP INC
<0.01%<0.01%#62$1.9M148,845$1.3M137,613+11,232+8.16%Add
Quantinno Capital Management LP
<0.01%<0.01%#44$1.7M136,034$997,648107,274+28,760+26.81%Add
Russell Investments Group, Ltd.
<0.01%<0.01%#55$1.6M130,360$794,00084,894+45,466+53.56%Add
STIFEL FINANCIAL CORP
<0.01%#53$1.6M126,175$00+126,175New Buy
VICTORY CAPITAL MANAGEMENT INC
<0.01%<0.01%#70$1.3M101,365$811,60287,269+14,096+16.15%Add
BALYASNY ASSET MANAGEMENT L.P.
<0.01%<0.01%#51$1.3M101,046$1.0M108,808-7,762-7.13%Reduce
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#123$1.2M96,847$2.9M311,336-214,489-68.89%Reduce
Qube Research & Technologies Ltd
<0.01%<0.01%#58$1.2M92,453$3.9M415,280-322,827-77.74%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow