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Stamps.com Inc

STMPDelisted Oct 5, 2021
Industry
Services-Business Services, NEC
SEC CIK
0001082923

Stamps.com Inc was delisted on Oct 5, 2021; its insiders filed their last Form 4 on Oct 7, 2021; 265 institutions reported holding it in 13F filings for Q3 2021, worth $5.37B in total; Maverick Capital was the only superinvestor holding it.

13F holders, Q3 2021

Institutional positions in Stamps.com Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
265
+15 vs. Q2 2021
Shares held
16.3M
+815.8K (+5.3%) vs. Q2 2021
Total value
$5.37B
+$2.26B (+72.7%) vs. Q2 2021
New holders
82
58 more added
Sold out
67
86 more reduced

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting STMP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 265 institutions
Q1 2021: 266 institutionsQ2 2021: 253 institutionsQ3 2021: 265 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ3 2021: $5.37B
Q1 2021: $3.14BQ2 2021: $3.11BQ3 2021: $5.37BQ4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding STMP and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 2021265$5.37B
Q2 2021253$3.11B
Q1 2021266$3.14B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Stamps.com Inc; share changes are against Q2 2021.

Institutions holding STMP in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.2,754,459$908.4M0.03%−133,773−4.6%Reduced
Vanguard Group Inc1,846,250$608.9M0.02%−159,881−8.0%Reduced
HBK Investments L P840,638$277.2M4.05%+840,638New
State Street Corp576,160$190.0M0.01%−33,283−5.5%Reduced
Glazer Capital, LLC568,088$187.3M3.31%+568,088New
Morgan Stanley503,618$166.1M0.02%+244,199+94.1%Added
Disciplined Growth Investors Inc454,255$149.8M2.97%−454,576−50.0%Reduced
Vista Equity Partners Management, LLC406,975$134.2M1.30%00.0%Unchanged
FIL Ltd392,000$129.3M0.14%+392,000New
JPMorgan Chase & Co381,583$125.8M0.02%+302,765+384.1%Added
Millennium Management LLC331,687$109.4M0.14%+323,845+4,129.6%Added
Geode Capital Management, LLC313,156$103.3M0.01%−5,208−1.6%Reduced
Steel Peak Wealth Management LLC303,847$100.2M6.83%00.0%Unchanged
Dimensional Fund Advisors LP267,793$88.3M0.03%−129,730−32.6%Reduced
Susquehanna International Group, LLP239,033$78.8M0.10%+222,356+1,333.3%Added
Goldman Sachs Group Inc233,623$77.0M0.02%+157,805+208.1%Added
Norges Bank228,384$75.3M0.02%+184,107+415.8%Added
Simcoe Capital Management, LLC219,410$72.4M8.27%−523,072−70.4%Reduced
Northern Trust Corp207,639$68.5M0.01%−5,139−2.4%Reduced
Bank of New York Mellon Corp189,088$62.4M0.01%−3,364−1.7%Reduced
Healthcare of Ontario Pension Plan Trust Fund179,360$59.2M0.15%+179,300+298,833.3%Added
Verition Fund Management LLC166,405$54.9M0.83%+166,405New
Deutsche Bank AG159,864$52.7M0.03%+148,022+1,250.0%Added
Charles Schwab Investment Management Inc153,367$50.6M0.02%−4,808−3.0%Reduced
Westchester Capital Management, LLC153,064$50.5M1.59%+153,064New
Equitec Proprietary Markets, LLC147,594$48.7M25.81%+147,594New
Alpine Associates Management Inc.138,800$45.8M1.49%+138,800New
Beryl Capital Management LLC132,503$43.7M3.07%+132,503New
Principal Financial Group Inc127,985$42.2M0.03%−1,368−1.1%Reduced
Man Group plc115,263$38.0M0.13%+83,693+265.1%Added
Gabelli Funds LLC108,217$35.7M0.24%+100,217+1,252.7%Added
Penserra Capital Management LLC99,224$32.7M0.68%−21,719−18.0%Reduced
Highland Capital Management Fund Advisors, L.P.94,817$31.3M5.41%+94,817New
Canada Pension Plan Investment Board85,770$28.3M0.03%+84,947+10,321.6%Added
IndexIQ Advisors LLC81,008$26.7M0.89%+81,008New
Parametric Portfolio Associates LLC80,260$26.5M0.02%−4,983−5.8%Reduced
Vivaldi Asset Management, LLC80,027$26.4M4.00%+80,027New
Ameriprise Financial Inc79,281$26.1M0.01%−5,596−6.6%Reduced
Citigroup Inc74,447$24.6M0.02%+52,327+236.6%Added
Caption Management, LLC74,134$24.4M1.60%+71,942+3,282.0%Added
Newtyn Management, LLC70,000$23.1M6.16%−85,000−54.8%Reduced
Price T Rowe Associates Inc68,836$22.7M0.00%−121,717−63.9%Reduced
Natixis66,336$21.9M0.08%+66,336New
ProShare Advisors LLC63,280$20.9M0.06%−133,301−67.8%Reduced
Walleye Trading LLC61,138$20.2M0.48%+58,475+2,195.8%Added
Bardin Hill Management Partners LP58,313$19.2M3.12%+58,313New
CNH Partners LLC58,174$19.2M0.55%+58,174New
Alliancebernstein L.P.55,980$18.5M0.01%+26,341+88.9%Added
Gardner Lewis Asset Management L P54,751$18.1M2.79%+54,751New
UBS Oconnor LLC51,280$16.9M0.15%+51,280New
Voloridge Investment Management, LLC47,688$15.7M0.10%+47,688New
Legal & General Group Plc47,082$15.5M0.01%+659+1.4%Added
Nuveen Asset Management, LLC77,951$15.4M0.00%−56,057−41.8%Reduced
Rhumbline Advisers45,067$14.9M0.02%−7,573−14.4%Reduced
Alyeska Investment Group, L.P.43,505$14.3M0.18%+43,505New
California Public Employees Retirement System42,233$13.9M0.01%00.0%Unchanged
Invesco Ltd.42,199$13.9M0.00%−29,349−41.0%Reduced
D. E. Shaw & Co., Inc.40,803$13.5M0.02%−355,044−89.7%Reduced
Public Employees Retirement System of Ohio40,665$13.4M0.05%+40,316+11,551.9%Added
Chicago Capital Management, LLC40,491$13.4M6.18%+40,491New
Swiss National Bank40,466$13.3M0.01%+300+0.7%Added
Ieq Capital, LLC40,303$13.3M0.35%−6,072−13.1%Reduced
Bank of America Corp39,081$12.9M0.00%+3,316+9.3%Added
Public Sector Pension Investment Board37,602$12.4M0.07%00.0%Unchanged
Gabelli & Co Investment Advisers, Inc.35,463$11.7M1.41%+35,463New
Prelude Capital Management, LLC34,806$11.5M0.63%+34,806New
DLD Asset Management, LP32,564$10.7M0.86%+32,564New
Silphium Asset Management Ltd31,580$10.4M4.21%+31,580New
Gamco Investors, Inc. Et Al30,460$10.0M0.09%+18,960+164.9%Added
Credit Suisse AG29,965$9.88M0.01%−12,672−29.7%Reduced
Polar Asset Management Partners Inc.29,368$9.69M0.11%+29,368New
Cowen and Company, LLC28,848$9.51M0.46%+28,848New
EULAV Asset Management28,800$9.50M0.25%00.0%Unchanged
Burney Co28,398$9.37M0.44%+240+0.9%Added
Candriam Luxembourg S.C.A.27,857$9.19M0.06%+27,857New
Pentwater Capital Management LP27,716$9.14M0.13%+27,716New
New York State Teachers Retirement System26,903$8.87M0.02%−1,609−5.6%Reduced
Ergoteles LLC26,702$8.81M0.32%+26,702New
Susquehanna Fundamental Investments, LLC26,576$8.76M0.16%+26,576New
Two Sigma Advisers, LP25,300$8.34M0.02%+2,300+10.0%Added
Royce & Associates LP25,293$8.34M0.06%−12,841−33.7%Reduced
California State Teachers Retirement System24,658$8.13M0.01%+137+0.6%Added
UBS Asset Management Americas Inc24,145$7.96M0.00%+1,921+8.6%Added
Winton Group Ltd23,536$7.76M0.43%+20,567+692.7%Added
Barclays PLC23,041$7.60M0.01%+8,964+63.7%Added
BNP Paribas Arbitrage, SA22,340$7.37M0.02%+725+3.4%Added
Syquant Capital SAS22,130$7.30M4.45%+22,130New
LMR Partners LLP22,100$7.29M0.10%+22,100New
Athos Capital Ltd22,000$7.25M2.03%+22,000New
Mirae Asset Global Investments Co., Ltd.20,425$6.74M0.02%−346−1.7%Reduced
Citadel Advisors LLC20,276$6.69M0.01%−4,430−17.9%Reduced
Prudential Financial Inc19,826$6.54M0.01%−13,371−40.3%Reduced
Walleye Capital LLC18,130$5.98M0.18%+18,130New
Hennion & Walsh Asset Management, Inc.17,427$5.75M0.30%+71+0.4%Added
Woodline Partners LP17,314$5.71M0.09%+17,314New
NovaPoint Capital, LLC16,855$5.56M2.23%−12,482−42.5%Reduced
Comerica Bank16,598$5.47M0.03%−4,377−20.9%Reduced
Tokio Marine Asset Management Co Ltd16,346$5.39M0.48%+16,346New
Great West Life Assurance Co15,799$5.25M0.01%+130+0.8%Added
Harvest Management LLC15,312$5.05M4.44%+15,312New