InvestorsKnown from its fund filings

Thirdbase

New York, NY

Thirdbase is known to venfeed from 38 venture funds that filed a Form D under its name, based in New York, NY. It does not appear in the SEC's adviser lists under this name.

Last checkedOct 9, 2026. Adviser records are re-read when the SEC publishes its monthly lists; fund filings every day. Details can change after they are filed or reported; if something here is wrong or has changed, tell us below.

Focus

Not known yet. The SEC does not ask a firm what stages or sectors it invests in. Once the firm claims this profile, or rounds it invested in are recorded, it will show here with its source.

Portfolio

0 cited

No rounds recorded yet. A round appears here when a press release, news report or the company names this firm as an investor, with a link to that source.

People

As named on its funds' SEC filings
  • Abhinav Gupta
    Managing Member of the General Partner of the Issuer
    Last named Mar 31, 2026

A fund's Form D names the executive officers and directors of its general partner when it is filed. People stay listed with the date they were last named; someone who has left may still appear until a newer filing or a correction says so.

Funds

38 on file
FundFormedRaisedTargetLast filed
Thirdbase Opportunity LP - Series XA2025$4.5M$4.5MMar 31, 2026
Thirdbase Opportunity LP - Series DB2025$1.3M$1.3MMar 30, 2026
Thirdbase Opportunity LP - Series ER II2026$4.9M$4.9MMar 30, 2026
Thirdbase Opportunity LP - Series KI2025$2.3M$2.3MMar 30, 2026
Thirdbase Opportunity LP - Series SX II2025$28M$28MMar 30, 2026
Thirdbase Opportunity LP - Series OA2025$24M$24MNov 5, 2025
Thirdbase Opportunity LP - Series PP2025$1.5M$1.5MNov 5, 2025
Thirdbase Opportunity LP - Series CB2025$900K$900KNov 5, 2025
Thirdbase Opportunity LP - Series AP II2025$550K$550KNov 5, 2025
Thirdbase Opportunity LP - Series GQ2025$10M$10MNov 3, 2025
Thirdbase Opportunity LP - Series XXIII2024$1.9M$1.9MOct 31, 2025
Thirdbase Opportunity LP - Series XXII2023$5.3M$5.3MOct 31, 2025
Thirdbase Opportunity LP - Series XVIII2023$3.2M$3.2MOct 30, 2025
Thirdbase Opportunity LP - Series XVI2023$5.3M$5.3MOct 30, 2025
Thirdbase Opportunity LP - Series AP2025$16M$16MOct 30, 2025
Thirdbase Opportunity LP - Series XIV2023$295K$295KOct 30, 2025
Thirdbase Opportunity LP - Series XXI2023$1.5M$1.5MOct 30, 2025
Thirdbase Opportunity LP - Series XV2023$4M$4MSep 22, 2025
Thirdbase Opportunity LP - Series XIX2023$290K$290KSep 22, 2025
Thirdbase Opportunity LP - Series XVII2023$400K$400KSep 22, 2025
Thirdbase Opportunity LP - Series XX2023$2M$2MSep 22, 2025
Thirdbase Opportunity LP - Series APP II2025$677K$677KJul 10, 2025
Thirdbase Opportunity LP - Series APP2025$1M$1MJun 20, 2025
Thirdbase Opportunity LP - Series XXVI2024$2.8MIndefiniteFeb 7, 2025
Thirdbase Opportunity LP - Series SX2024$3.2MIndefiniteFeb 7, 2025
Thirdbase Opportunity LP - Series XXV2024$1.9MIndefiniteSep 12, 2024
Thirdbase Opportunity LP - Series XXIV2023$300KIndefiniteApr 15, 2024
Thirdbase Opportunity, LP - Series XIII2022$564K$564KSep 29, 2022
Thirdbase Opportunity, LP Series XII2022$425K$425KAug 16, 2022
Thirdbase Opportunity, LP - Series XI2022$1.1M$1.1MJun 2, 2022
Thirdbase Opportunity, LP - Series X2022$533K$533KApr 7, 2022
Thirdbase Opportunity IX, LLC2021$1.1M$1.1MMar 3, 2022
Thirdbase Opportunity VIII, LLC2021$975K$975KMar 3, 2022
Thirdbase Opportunity VII, LLC2021$2M$2MJan 19, 2022
Thirdbase Opportunity N, LLC2021$5M$5MDec 1, 2021
Thirdbase Opportunity Cov, LLC2021$1.5M$1.5MNov 24, 2021
Thirdbase Pipe SB II, LLC2021$9.3M$9.3MSep 28, 2021
Thirdbase B SD Opportunity LLC2021$5M$5MSep 28, 2021

Funds are matched to this firm by the manager named on their filings or by name. If a fund here is not theirs, tell us below.

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Tell us what has changed and, if you can, where it says so. An editor checks it against a source before the profile changes. If this profile is about your firm, you can also claim it and keep it current yourself.