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MediaAlpha, Inc. (MAX) shareholders

MAXNYSEServices-Business Services, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 28, 2026Score 14/3059% below fair value
$14.81−0.16 (-1.07%)

Close on Nov 12, 2026Market cap $876.64MP/E 8.2Yield –

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
82.2%
49M of 59M shares
Institutional holders
154
22 new, 28 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 335 sales
Net sold $123.80M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
White Mountains Insurance Group, Ltd.
Joint filing with WM Hinson (Bermuda) Ltd. (22.50%)
12,356,22324.30%13D (active) amendmentNov 4, 2026
Eugene Nonko
Joint filing with O.N.E. Holdings, LLC (9.30%)
5,198,1219.80%13D (active) amendmentAug 25, 2026
Divisadero Street Capital, LLC
Joint filing with Divisadero Street Capital Management, LP (5.80%), William Zolezzi (5.80%) and 2 more
3,128,9885.80%13G (passive)Jul 21, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of MAXValueChange% of portfolio
White Mountains Insurance Group Ltd17,856,61430.17%$224.46M–57.03%
BlackRock, Inc.3,392,3575.73%$42.64M−84,3300.00%
Clearline Capital LP2,713,8904.58%$34.11M+123,2202.04%
JPMorgan Chase & Co1,880,0623.18%$23.29M+134,3830.00%
Vanguard Capital Management LLC1,276,3692.16%$16.04M−109,3600.00%
Geode Capital Management, LLC1,068,3081.80%$13.43M−1,7760.00%
Divisadero Street Capital Management, LP1,019,9881.72%$12.82M+933,0810.29%
Jacobs Levy Equity Management, Inc971,2321.64%$12.21M+221,1780.04%
Acadian Asset Management LLC957,0951.62%$12.02M+109,8960.01%
Jacobs Asset Management, LLC919,7611.55%$11.56M−4,6827.27%
State Street Corp862,2351.46%$10.84M+24,0740.00%
Arrowstreet Capital, Limited Partnership829,9581.40%$10.43M−232,0230.00%
Morgan Stanley821,1701.39%$10.32M+118,1520.00%
Nuveen, LLC752,4471.27%$9.46M+51,0480.00%
Dimensional Fund Advisors LP701,9141.19%$8.82M+81,2450.00%
J. Goldman & Co LP598,0701.01%$7.52M−584,6030.19%
Citadel Advisors LLC589,6961.00%$7.41M+360,3730.00%
Renaissance Technologies LLC574,4070.97%$7.22M−144,8930.01%
Shay Capital LLC570,0000.96%$7.16M−205,0000.46%
Jane Street Group, LLC551,6250.93%$6.93M+268,6170.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202615449M82.2%22 / 4766 / 285M4M
Q1 202616348M81.9%35 / 5955 / 4310M6M
Q4 202517248M80.7%35 / 7549 / 195M6M
Q3 202515749M82.6%26 / 6547 / 217M6M
Q2 202515248M81.6%30 / 6644 / 227M6M
Q1 202514447M79.8%21 / 6044 / 376M6M
Q4 202416248M81.4%35 / 6548 / 246M7M
Q3 202415149M82.7%32 / 6340 / 2912M10M
Q2 202414950M85.0%48 / 6527 / 1912M7M
Q1 202412245M76.1%40 / 3733 / 86M3M
Q4 20239142M71.7%9 / 3530 / 72M1M
Q3 20238941M69.9%9 / 1556 / 141M5M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

155 funds held MAX in Q2 2026, 53% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.

FundShares% of MAXValue% of fundAs of
JPMorgan Small Cap Blend Fund1,402,9012.37%$17.63M1.04%Jun 30, 2026
Vanguard Total Stock Market Index Fund882,7001.49%$11.10M0.00%Jun 30, 2026
iShares Russell 2000 ETF819,3641.38%$10.30M0.01%Jun 30, 2026
BlackRock Advantage Small Cap Core Fund372,3990.63%$3.31M0.06%May 29, 2026
Vanguard Extended Market Index Fund363,1960.61%$4.57M0.00%Jun 30, 2026
Fidelity Small Cap Index Fund336,3480.57%$4.16M0.01%Jul 31, 2026
Nuveen Quant Small/Mid Cap Equity Fund307,6300.52%$3.81M0.14%Jul 31, 2026
iShares Russell 2000 Growth ETF282,2110.48%$3.55M0.02%Jun 30, 2026
Fidelity Small-Mid Multifactor ETF282,0390.48%$3.49M0.14%Jul 31, 2026
College Retirement Equities Fund - Total Global Stock Account249,5000.42%$3.14M0.00%Jun 30, 2026
U.S. Small Cap Portfolio174,8040.30%$2.16M0.01%Jul 31, 2026
Vanguard Russell 2000 Index Fund174,0440.29%$1.55M0.01%May 31, 2026
Small Cap Core Portfolio168,7200.29%$2.12M0.25%Jun 30, 2026
Dimensional U.S. Small Cap ETF165,5450.28%$2.05M0.01%Jul 31, 2026
Schwab U.S. Small-Cap ETF156,6600.26%$1.39M0.01%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Steven YiSee Remarks, Director2,537,5514.29%Nov 4, 2026
Kuanling Amy YehChief Technology Officer493,0910.83%Nov 3, 2026
Keith CramerChief Revenue Officer239,3030.40%Oct 21, 2026
Tigran SinanyanSee Remarks254,7810.43%Oct 2, 2026
Patrick Ryan ThompsonSee Remarks1,099,0781.86%Aug 17, 2026
Jeffrey B. CoyneGENERAL COUNSEL AND SECRETARY581,8110.98%Aug 17, 2026
Eugene NonkoDirector1,112,8641.88%Nov 4, 2026
Lauren StClairDirector20,9000.04%May 22, 2026
Bradley William HuntDirector46,2000.08%May 7, 2026
Kathy P. VrabeckDirector150,4070.25%May 7, 2026
Venmal (Raji) ArasuDirector119,4070.20%May 7, 2026
Ramon JonesDirector28,0000.05%May 7, 2026
Lara SweetDirector98,6570.17%May 16, 2025
Hinson (Bermuda) Ltd. WM10% owner28,773,63048.61%Nov 5, 2026
Mountains Insurance Group Ltd White10% owner12,356,22320.87%Nov 5, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Mountains Insurance Group Ltd White
10% owner
Nov 4, 2026Sale−5,500,391$13.90$76.46M12,356,223
Steven Yi
See Remarks, Director
Nov 4, 2026Sale(10b5-1 plan)−151,129$15.50$2.34M1,893,707
Eugene Nonko
Director
Nov 4, 2026Sale(10b5-1 plan)−93,279$15.36$1.43M458,428
Eugene Nonko
Director
Nov 4, 2026Sale(10b5-1 plan)−5,667$15.25$86.44K654,436
Steven Yi
See Remarks, Director
Nov 3, 2026Sale(10b5-1 plan)−130,065$15.05$1.96M2,044,836
Eugene Nonko
Director
Nov 3, 2026Sale(10b5-1 plan)−160,185$15.04$2.41M551,707
Eugene Nonko
Director
Nov 3, 2026Sale(10b5-1 plan)−15,022$14.93$224.28K660,103
Steven Yi
See Remarks, Director
Nov 2, 2026Sale(10b5-1 plan)−138,806$14.78$2.05M2,174,901
Eugene Nonko
Director
Nov 2, 2026Sale(10b5-1 plan)−78,009$14.72$1.15M711,892
Eugene Nonko
Director
Nov 2, 2026Sale(10b5-1 plan)−109,401$14.79$1.62M675,125
Kuanling Amy Yeh
Chief Technology Officer
Nov 2, 2026Sale−25,000$14.91$372.71K493,091
Kuanling Amy Yeh
Chief Technology Officer
Oct 30, 2026Sale−25,000$14.47$361.81K518,091
Eugene Nonko
Director
Oct 28, 2026Sale(10b5-1 plan)−7,273$11.63$84.56K789,901
Eugene Nonko
Director
Oct 28, 2026Sale(10b5-1 plan)−1,940$11.63$22.56K784,526
Eugene Nonko
Director
Oct 27, 2026Sale(10b5-1 plan)−8,283$11.85$98.14K797,174
Eugene Nonko
Director
Oct 27, 2026Sale(10b5-1 plan)−3,394$11.92$40.46K786,466
Eugene Nonko
Director
Oct 26, 2026Sale(10b5-1 plan)−7,273$11.83$86.04K805,457
Eugene Nonko
Director
Oct 26, 2026Sale(10b5-1 plan)−1,940$11.83$22.95K789,860
Eugene Nonko
Director
Oct 21, 2026Sale(10b5-1 plan)−7,273$11.63$84.56K812,730
Eugene Nonko
Director
Oct 21, 2026Sale(10b5-1 plan)−1,940$11.63$22.57K791,800
Eugene Nonko
Director
Oct 20, 2026Sale(10b5-1 plan)−7,273$11.72$85.27K820,003
Eugene Nonko
Director
Oct 20, 2026Sale(10b5-1 plan)−1,940$11.62$22.54K793,740
Keith Cramer
Chief Revenue Officer
Oct 19, 2026Sale(10b5-1 plan)−12,000$11.39$136.65K239,303
Eugene Nonko
Director
Oct 19, 2026Sale(10b5-1 plan)−7,273$11.39$82.83K827,276
Eugene Nonko
Director
Oct 19, 2026Sale(10b5-1 plan)−1,940$11.39$22.09K795,680
Kuanling Amy Yeh
Chief Technology Officer
Oct 16, 2026Sale(10b5-1 plan)−3,000$11.77$35.31K543,091
Eugene Nonko
Director
Oct 14, 2026Sale(10b5-1 plan)−6,667$10.37$69.16K834,549
Eugene Nonko
Director
Oct 14, 2026Sale(10b5-1 plan)−1,067$10.41$11.11K797,620
Eugene Nonko
Director
Oct 13, 2026Sale(10b5-1 plan)−6,667$10.11$67.42K841,216
Eugene Nonko
Director
Oct 13, 2026Sale(10b5-1 plan)−1,067$10.12$10.80K798,687
Eugene Nonko
Director
Oct 12, 2026Sale(10b5-1 plan)−6,667$10.15$67.67K847,883
Eugene Nonko
Director
Oct 12, 2026Sale(10b5-1 plan)−1,067$10.14$10.82K799,754
Steven Yi
See Remarks, Director
Oct 9, 2026Sale(10b5-1 plan)−2,033$11.01$22.38K2,313,707
Steven Yi
See Remarks, Director
Oct 8, 2026Sale(10b5-1 plan)−24,000$10.04$240.94K2,315,740
Tigran Sinanyan
See Remarks
Oct 1, 2026Tax withholding−1,088$9.57$10.41K254,781
Tigran Sinanyan
See Remarks
Oct 1, 2026Award+24,250––255,869
Kuanling Amy Yeh
Chief Technology Officer
Sep 25, 2026Sale(10b5-1 plan)−3,000$9.40$28.20K546,091
Eugene Nonko
Director
Sep 22, 2026Sale(10b5-1 plan)−6,667$10.78$71.87K854,550
Eugene Nonko
Director
Sep 22, 2026Sale(10b5-1 plan)−1,067$10.79$11.51K800,821
Eugene Nonko
Director
Sep 21, 2026Sale(10b5-1 plan)−1,067$10.54$11.25K801,888
Eugene Nonko
Director
Sep 21, 2026Sale(10b5-1 plan)−6,667$10.53$70.20K861,217
Eugene Nonko
Director
Sep 16, 2026Sale(10b5-1 plan)−7,273$11.24$81.75K867,884
Eugene Nonko
Director
Sep 16, 2026Sale(10b5-1 plan)−1,940$11.25$21.83K802,955
Keith Cramer
Chief Revenue Officer
Sep 15, 2026Sale(10b5-1 plan)−13,000$11.49$149.37K251,303
Eugene Nonko
Director
Sep 15, 2026Sale(10b5-1 plan)−7,273$11.49$83.57K875,157
Eugene Nonko
Director
Sep 15, 2026Sale(10b5-1 plan)−1,940$11.48$22.27K804,895
Eugene Nonko
Director
Sep 14, 2026Sale(10b5-1 plan)−7,778$11.96$93.02K882,430
Eugene Nonko
Director
Sep 14, 2026Sale(10b5-1 plan)−2,667$12.03$32.08K806,835
Eugene Nonko
Director
Sep 10, 2026Sale(10b5-1 plan)−1,940$11.52$22.35K809,502
Eugene Nonko
Director
Sep 10, 2026Sale(10b5-1 plan)−7,273$11.62$84.51K890,208
Eugene Nonko
Director
Sep 9, 2026Sale(10b5-1 plan)−7,273$11.41$82.98K897,481
Eugene Nonko
Director
Sep 9, 2026Sale(10b5-1 plan)−1,940$11.65$22.60K811,442
Eugene Nonko
Director
Sep 8, 2026Sale(10b5-1 plan)−7,273$11.70$85.09K904,754
Eugene Nonko
Director
Sep 8, 2026Sale(10b5-1 plan)−1,940$11.70$22.70K813,382
Kuanling Amy Yeh
Chief Technology Officer
Sep 4, 2026Sale(10b5-1 plan)−3,000$12.00$36.00K549,091
Eugene Nonko
Director
Sep 2, 2026Sale(10b5-1 plan)−2,667$12.22$32.59K815,322
Eugene Nonko
Director
Sep 2, 2026Sale(10b5-1 plan)−7,778$12.25$95.28K912,027
Steven Yi
See Remarks, Director
Sep 1, 2026Sale(10b5-1 plan)−48,000$12.38$594.24K2,339,740
Eugene Nonko
Director
Sep 1, 2026Sale(10b5-1 plan)−7,778$12.39$96.37K919,805
Eugene Nonko
Director
Sep 1, 2026Sale(10b5-1 plan)−2,667$12.45$33.20K817,989

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Short interest

Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)

Short % of float
9.29%
3M shares short
Days to cover
3.1
At 1M shares a day
Change since last report
+3.8%
From 3M shares
Short volume, 20 days
29.8%
Of volume reported to FINRA

Shares sold short, last 12 months

Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of MediaAlpha's stock actually held short. Settlement fails (shares not delivered on time) peaked at 22,777 shares on Sep 21, 2026 over the last 90 days.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Hinson (Bermuda) Ltd. WM
10% Owner
Nov 4, 20265,500,391$83.33MNov 4, 2026Fixed-price tender offer
Steven Yi
Officer, Director
Nov 2, 2026398,033$5.88MNov 2, 2026Restricted Stock Lapse - See Remarks
Eugene Nonko
Director
Nov 2, 2026632,572$9.34MNov 2, 2026Capital Contribution
Patrick Ryan Thompson
Former Affiliate
Oct 30, 2026285,000$4.13MOct 30, 2026Restricted Stock Lapse - See Remarks
Kuanling Amy Yeh
Officer
Oct 30, 202650,000$723.62KOct 30, 2026Restricted Stock Lapse
Eugene Nonko
Director
Oct 26, 202631,335$370.65KOct 26, 2026Capital Contribution
Keith Cramer
Officer
Oct 19, 202636,000$409.94KOct 19, 2026Restricted Stock Lapse - See Remarks
Eugene Nonko
Director
Oct 19, 202627,639$314.75KOct 19, 2026Capital Contribution
Kuanling Amy Yeh
Officer
Oct 16, 202615,000$176.55KOct 16, 2026Restricted Stock Lapse- See Remarks
Eugene Nonko
Director
Oct 13, 202623,202$235.47KOct 12, 2026Capital Contribution
Steven Yi
Officer, Director
Oct 8, 202648,000$481.89KOct 8, 2026Restricted Stock Lapse - See Remarks
Keith Cramer
Officer
Sep 15, 202613,000$149.42KSep 15, 2026Restricted Stock Lapse
Kuanling Amy Yeh
Officer
Jul 16, 202628,000$406.00KJul 16, 2026Restricted Stock Lapse- See Remarks
Steven Yi
Officer, Director
Jul 6, 2026816,000$11.43MJul 6, 2026Restricted Stock Lapse - See Remarks
Eugene Nonko
Director
Jul 6, 2026827,874$11.49MJul 6, 2026Capital Contribution - See Remarks

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