StockData
SSTNYSEServices-Computer Programming, Data Processing, Etc.Fiscal year ends December 31Also trades as SSTPW

System1, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026
$2.04−0.06 (-2.86%)

Close on Oct 19, 2026

Market cap
$16.65M
P/E (TTM)
–
Dividend yield
–

Ownership

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

Held by institutions
1M
Shares held, 13F filers
Institutional holders
21
7 new, 10 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
1 buys · 0 sales
Net bought $80.73K

Shares held by institutions

Holders of more than 5%

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

HolderShares% of classFilingAs of
Nicholas Graeme Baker7,699,44911.70%13D (active) amendmentDec 4, 2023
The Blend Family Foundation5,545,0777.00%13D (active)May 2, 2025
Frank R. Martire, Jr.4,523,0896.90%13D (active) amendmentDec 4, 2023
Cannae Holdings, LLC2,701,27933.20%13D (active) amendmentNov 5, 2025
CEE Holdings Trust13,043,23817.60%13D (active)Jun 17, 2024
Stanley Blend11,558,471–13D (active) amendmentJun 17, 2024

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of SSTValueChange% of portfolio
Bank Of America Corp /De/161,513–$373.10K−60.00%
Vanguard Capital Management LLC127,576–$294.70K+90,4440.00%
Cerity Partners LLC116,844–$269.91K–0.00%
Crescent Grove Advisors, LLC75,545–$174.51KNew0.01%
BlackRock, Inc.43,353–$100.15K+19,1060.00%
Morgan Stanley13,134–$30.34KNew0.00%
Geode Capital Management, LLC12,519–$28.93K−11,3200.00%
Leonteq Securities AG12,500–$28.88KNew0.00%
Price T Rowe Associates Inc /Md/11,731–$28New0.00%
State Street Corp11,502–$26.57K–0.00%
Vanguard Fiduciary Trust Co9,141–$21.12K–0.00%
Royal Bank of Canada1,314–$3.00K+1,2750.00%
UBS Group AG618–$1.43K−7060.00%
Jones Financial Companies Lllp366–$919New0.00%
Bnp Paribas Arbitrage, Snc86–$199–0.00%
SBI Securities Co., Ltd.60–$139–0.00%
JPMorgan Chase & Co42–$102−5,8480.00%
Osaic Holdings, Inc.35–$80–0.00%
Group One Trading, L.P.33–$76−1900.00%
Barclays PLC9–$21New0.00%

Institutional buying and selling by quarter

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

QuarterHoldersShares heldNew / addedReduced / closedShares boughtShares sold
Q2 2026211M7 / 35 / 100M0M
Q1 2026251M6 / 46 / 40M0M
Q4 2025241M0 / 414 / 60M2M
Q3 2025303M3 / 514 / 80M0M
Q2 2025353M35 / 00 / 03M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of SSTValue% of fundAs of
Vanguard Total Stock Market Index Fund107,513–$248.36K0.00%Jun 30, 2026
Vanguard Extended Market Index Fund20,063–$46.35K0.00%Jun 30, 2026
iShares Micro-Cap ETF17,903–$41.36K0.00%Jun 30, 2026
Fidelity Extended Market Index Fund10,000–$29.90K0.00%May 31, 2026
Ultra-Small Company Market Fund7,100–$16.40K0.01%Jun 30, 2026
Fidelity Total Market Index Fund3,635–$10.87K0.00%May 31, 2026
Fidelity Series Total Market Index Fund1,725–$5.16K0.00%May 31, 2026
1290 VT Micro Cap Portfolio1,203–$2.78K0.00%Jun 30, 2026
Knights of Columbus U.S. ALL CAP INDEX FUND23–$390.00%Jul 31, 2026
Blackstone Alternative Multi-Strategy Fund20–$460.00%Jun 30, 2026

Officers, directors and major owners

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

NameRoleShares ownedLatest filing
Charles UrsiniPresident & COO, Director770,240Jul 31, 2025
Daniel J. WeinrotGeneral Counsel & Secretary119,539Jul 17, 2026
Tridivesh KidambiChief Financial Officer627,404Jul 17, 2026
Brian CoppolaChief Ad Operations Officer285,743Jul 17, 2026
Elizabeth SestanovichChief People Officer260,485Jul 17, 2026
Frank R. MartireDirector4,492,454Aug 5, 2025
Ryan R. CaswellDirector38,577Aug 5, 2025
Moujan KazeraniDirector60,792Aug 4, 2025
Caroline HornDirector37,418Aug 4, 2025
Taryn Jogi NaiduDirector38,562Aug 4, 2025
John CivantosDirector146,225Aug 4, 2025
Tanmay KumarDirector35,196Aug 4, 2025
Holdings Trust CEE10% owner4,334,900Aug 26, 2025
Star Friends Trust Lone10% owner16,677,615Dec 27, 2024
Stanley Blend10% owner17,244,527Dec 27, 2024

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Brian Coppola
Chief Ad Operations Officer
Jul 15, 2026Tax withholding−6,124$2.60$15.92K59,774
Tridivesh Kidambi
Chief Financial Officer
Jul 15, 2026Tax withholding−6,022$2.60$15.66K175,793
Daniel J. Weinrot
General Counsel & Secretary
Jul 15, 2026Tax withholding−9,156$2.60$23.81K59,897
Elizabeth Sestanovich
Chief People Officer
Jul 15, 2026Tax withholding−7,058$2.60$18.35K51,890
Tridivesh Kidambi
Chief Financial Officer
May 29, 2026Award+35,300––181,815
Elizabeth Sestanovich
Chief People Officer
Apr 15, 2026Tax withholding−341$2.26$77158,948
Brian Coppola
Chief Ad Operations Officer
Apr 15, 2026Tax withholding−331$2.26$74865,898
Daniel J. Weinrot
General Counsel & Secretary
Apr 15, 2026Tax withholding−341$2.26$77169,053
Tridivesh Kidambi
Chief Financial Officer
Apr 15, 2026Tax withholding−301$2.26$680146,515
Tridivesh Kidambi
Chief Financial Officer
Apr 15, 2026Buy+26,910$3.00$80.73K146,816
Elizabeth Sestanovich
Chief People Officer
Jan 28, 2026Tax withholding−211$4.18$88259,289
Brian Coppola
Chief Ad Operations Officer
Jan 28, 2026Tax withholding−231$4.18$96666,229
Tridivesh Kidambi
Chief Financial Officer
Jan 28, 2026Tax withholding−258$4.18$1.08K119,906
Daniel J. Weinrot
General Counsel & Secretary
Jan 28, 2026Tax withholding−211$4.18$88269,394
Brian Coppola
Chief Ad Operations Officer
Jan 15, 2026Tax withholding−371$4.40$1.63K66,460
Elizabeth Sestanovich
Chief People Officer
Jan 15, 2026Tax withholding−377$4.40$1.66K59,500
Tridivesh Kidambi
Chief Financial Officer
Jan 15, 2026Tax withholding−345$4.40$1.52K120,164
Daniel J. Weinrot
General Counsel & Secretary
Jan 15, 2026Tax withholding−377$4.40$1.66K69,605
Elizabeth Sestanovich
Chief People Officer
Oct 28, 2025Tax withholding−158$6.18$97659,877
Tridivesh Kidambi
Chief Financial Officer
Oct 28, 2025Tax withholding−263$6.18$1.63K120,509
Brian Coppola
Chief Ad Operations Officer
Oct 28, 2025Tax withholding−235$6.18$1.45K66,831
Daniel J. Weinrot
General Counsel & Secretary
Oct 28, 2025Tax withholding−214$6.18$1.32K69,982
Brian Coppola
Chief Ad Operations Officer
Oct 15, 2025Tax withholding−377$7.94$2.99K67,066
Daniel J. Weinrot
General Counsel & Secretary
Oct 15, 2025Tax withholding−382$7.94$3.03K70,196
Elizabeth Sestanovich
Chief People Officer
Oct 15, 2025Tax withholding−282$7.94$2.24K60,035
Tridivesh Kidambi
Chief Financial Officer
Oct 15, 2025Tax withholding−352$7.94$2.79K120,772
Holdings Trust CEE
10% owner
Aug 22, 2025Buy+11,015$7.32$80.63K919,555
Holdings Trust CEE
10% owner
Aug 21, 2025Buy+12,584$6.90$86.83K908,540
Holdings Trust CEE
10% owner
Aug 20, 2025Buy+12,584$6.25$78.65K895,956
Holdings Trust CEE
10% owner
Aug 19, 2025Buy+6,567$6.32$41.50K883,372
Ryan R. Caswell
Director
Jul 31, 2025Award+15,000––38,577
Frank R. Martire
Director
Jul 31, 2025Award+15,000––41,575
Caroline Horn
Director
Jul 31, 2025Award+15,000––37,418
Taryn Jogi Naidu
Director
Jul 31, 2025Award+15,000––38,562
Moujan Kazerani
Director
Jul 31, 2025Award+15,000––40,292
John Civantos
Director
Jul 31, 2025Award+15,000––70,613
Tanmay Kumar
Director
Jul 31, 2025Award+15,000––35,196
Charles Ursini
President & COO, Director
Jul 29, 2025Award+337,500––367,500
Tridivesh Kidambi
Chief Financial Officer
Jul 29, 2025Award+50,000––121,124
Elizabeth Sestanovich
Chief People Officer
Jul 29, 2025Award+40,000––60,317
Daniel J. Weinrot
General Counsel & Secretary
Jul 29, 2025Award+52,500––70,578
Brian Coppola
Chief Ad Operations Officer
Jul 29, 2025Award+40,000––67,443
Tridivesh Kidambi
Chief Financial Officer
Jul 28, 2025Tax withholding−224$7.51$1.68K71,124
Elizabeth Sestanovich
Chief People Officer
Jul 28, 2025Tax withholding−135$7.51$1.01K20,317
Daniel J. Weinrot
General Counsel & Secretary
Jul 28, 2025Tax withholding−191$7.51$1.43K18,078
Brian Coppola
Chief Ad Operations Officer
Jul 28, 2025Tax withholding−206$7.51$1.55K27,443
Elizabeth Sestanovich
Chief People Officer
Jul 15, 2025Tax withholding−240$6.33$1.52K20,452
Brian Coppola
Chief Ad Operations Officer
Jul 15, 2025Tax withholding−330$6.33$2.09K27,649
Daniel J. Weinrot
General Counsel & Secretary
Jul 15, 2025Tax withholding−341$6.33$2.16K18,269
Tridivesh Kidambi
Chief Financial Officer
Jul 15, 2025Tax withholding−300$6.33$1.90K71,348
John Civantos
Director
Jun 13, 2025Buy+6,158$4.01$24.69K55,613
John Civantos
Director
Jun 12, 2025Buy+18,842$3.89$73.30K49,455
Elizabeth Sestanovich
Chief People Officer
Apr 28, 2025Tax withholding−1,342$0.41$550206,929
Daniel J. Weinrot
General Counsel & Secretary
Apr 28, 2025Tax withholding−1,905$0.41$781186,106
Brian Coppola
Chief Ad Operations Officer
Apr 28, 2025Tax withholding−2,052$0.41$841279,799
Tridivesh Kidambi
Chief Financial Officer
Apr 28, 2025Tax withholding−2,237$0.41$917716,488
Brian Coppola
Chief Ad Operations Officer
Apr 15, 2025Tax withholding−3,300$0.31$1.02K281,851
Tridivesh Kidambi
Chief Financial Officer
Apr 15, 2025Tax withholding−2,997$0.31$929718,725
Elizabeth Sestanovich
Chief People Officer
Apr 15, 2025Tax withholding−2,398$0.31$743208,271
Daniel J. Weinrot
General Counsel & Secretary
Apr 15, 2025Tax withholding−3,403$0.31$1.05K188,011

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

Planned insider sales

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

SellerFiledSharesMarket valuePlanned saleAcquired through
Cannae Holdings, LLC
10% Stockholder
Sep 6, 2023110,000$202.40KSep 6, 2023Business Combination