COMPANY

3DT Holdings, LLC

HQ: San Diego, CA source · 3dtholdings.com ↗ · West Coast

3DT offers facility space, shared use of common office equipment, direct business assistance and guidance, mentoring, networking to capital, and other technical resources. From company website Source · Oct 12, 2026

Location: San Diego, CA · source · Oct 15, 2026

Profile checked Oct 10, 2026

33NIH grants

Funding and NIH signals

NIH award NIH awarded $1.05M (SBIR Phase II 5R44HL169034-03, continuation, notice Jun 9, 2026). NIH RePORTER 5R44HL169034-03 (Jun 9, 2026)
Evidence (1 event)
- Jun 9, 2026 · NIH RePORTER 5R44HL169034-03
  Organization: 3DT HOLDINGS, LLC; City/State: SAN DIEGO, CA; Project number: 5R44HL169034-03; Activity code: R44; Fiscal year: 2026; Award notice date: 2026-06-09; FY total cost (award amount): 1050048; Administering IC: National Heart Lung and Blood Institute; Project title: Software-guided Operative Planning of MitraClip Placement; Organization type: Domestic For-Profits

Job counts as of Oct 18, 2026. All funding and NIH signals

Timeline

Jun 9, 2026 Grant Government grant — SBIR: $1.05M (annual award, as published), announced Jun 9, 2026. Agency: NIH/NHLBI. Source: government award database. source ↗
May 2, 2025 Grant Government grant — SBIR: $1.07M (annual award, as published), announced May 2, 2025. Agency: NIH/NHLBI. Source: government award database. source ↗

Funding

Last 2 years.

Jun 9, 2026 Government grant — SBIR: $1.05M (annual award, as published), announced Jun 9, 2026. Agency: NIH/NHLBI. Source: government award database. source ↗
May 2, 2025 Government grant — SBIR: $1.07M (annual award, as published), announced May 2, 2025. Agency: NIH/NHLBI. Source: government award database. source ↗

NIH awards 33

Annual award amounts. Total $17.2M.

Sep 20, 2024 NIH award 1R44HL169034-01A1 FY2024: $480,989 awarded for that fiscal year; activity R44 (SBIR); PI GUCCIONE, JULIUS MATTEO; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Software-guided Operative Planning o source ↗
Sep 17, 2024 NIH award 1R43HL174177-01 FY2024: $293,653 awarded for that fiscal year; activity R43 (SBIR); PI GUCCIONE, JULIUS MATTEO; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Software Tool for Optimization of CRT source ↗
Sep 17, 2024 NIH award 1R43HL176260-01 FY2024: $437,461 awarded for that fiscal year; activity R43 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Novel Stabilization Catheter for His Pacing Lea source ↗
Jun 27, 2024 NIH award 1R43CA291627-01 FY2024: $400,000 awarded for that fiscal year; activity R43 (SBIR); PI HUBBARD, TERRY; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Novel Tracheostoma Device source ↗
Apr 15, 2024 NIH award 1R43HL174201-01 FY2024: $497,401 awarded for that fiscal year; activity R43 (SBIR); PI KELLEY, GREGORY S; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Low Profile Transcatheter Aortic Valve Impla source ↗
Nov 22, 2022 NIH award 5R44DK129097-03 FY2023: $854,130 awarded for that fiscal year; activity R44 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Biomechatronics Device for Diagnosis/Therapy of source ↗
Jan 17, 2022 NIH award 4R44DK129097-02 FY2022: $1,070,822 awarded for that fiscal year; activity R44 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Biomechatronics Device for Diagnosis/Therapy source ↗
May 11, 2021 NIH award 1R44DK129097-01 FY2021: $185,966 awarded for that fiscal year; activity R44 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Biomechatronics Device for Diagnosis/Therapy of source ↗
Sep 4, 2020 NIH award 1R43GM139410-01 FY2020: $339,866 awarded for that fiscal year; activity R43 (SBIR); PI KELLEY, GREGORY S; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. New Access Kit for Lymphatic Interventions source ↗
Aug 26, 2020 NIH award 1R43HL149449-01A1 FY2020: $376,567 awarded for that fiscal year; activity R43 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Vasodilation Needle for Trans-Radial Access source ↗
Apr 29, 2020 NIH award 1R43HL149478-01A1 FY2020: $365,660 awarded for that fiscal year; activity R43 (SBIR); PI WANG, MENGJUN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Left Atrial Appendage Inversion to Prevent Str source ↗
Sep 24, 2019 NIH award 1R43HL149457-01 FY2019: $364,201 awarded for that fiscal year; activity R43 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. HLS-Diagnostic Balloon in Novel Venous Disease source ↗
Aug 16, 2019 NIH award 1R43HL149418-01 FY2019: $325,534 awarded for that fiscal year; activity R43 (SBIR); PI HUBBARD, TERRY; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Small Peripheral Vessel Graft source ↗
Aug 12, 2019 NIH award 1R43HL145896-01 FY2019: $289,679 awarded for that fiscal year; activity R43 (SBIR); PI DABIRI, YAGHOUB; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Real-Time Virtual Assessment of MitraClip Plac source ↗
Aug 8, 2019 NIH award 5R44HL129586-03 FY2019: $991,925 awarded for that fiscal year; activity R44 (SBIR); PI WANG, MENGJUN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Device for Treatment of Cardiac No-Option Patien source ↗
Jul 5, 2019 NIH award 1R43HL149455-01 FY2019: $447,184 awarded for that fiscal year; activity R43 (SBIR); PI HUBBARD, TERRY; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Novel Leaflet Biomaterial for Pulmonary Artery source ↗
Aug 27, 2018 NIH award 1R43HL140763-01A1 FY2018: $419,085 awarded for that fiscal year; activity R43 (SBIR); PI WANG, MENGJUN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Novel Biological Tissue for Vascular Patch source ↗
Aug 9, 2018 NIH award 2R44HL129586-02 FY2018: $1,432,551 awarded for that fiscal year; activity R44 (SBIR); PI WANG, MENGJUN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Device for Treatment of Cardiac No-Option Pati source ↗
Jun 15, 2018 NIH award 5R44HL120375-03 FY2018: $1,140,998 awarded for that fiscal year; activity R44 (SBIR); PI HUBBARD, TERRY; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Mild Hypothermia Catheter for Reperfusion Inj source ↗
Apr 20, 2018 NIH award 5R44HL135937-02 FY2018: $1,156,449 awarded for that fiscal year; activity R44 (SBIR); PI KELLEY, GREGORY S; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Suction Device for Control and Accuracy of source ↗
Jul 31, 2017 NIH award 2R44HL120375-02 FY2017: $855,323 awarded for that fiscal year; activity R44 (SBIR); PI PANDIT, ADITYA; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Mild Hypothermia Catheter for Reperfusion Injur source ↗
Jul 21, 2017 NIH award 1R43DK112543-01A1 FY2017: $258,968 awarded for that fiscal year; activity R43 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Novel Fecobionics Device for Diagnosis of Ano source ↗
Jun 22, 2017 NIH award 1R44HL135937-01A1 FY2017: $808,638 awarded for that fiscal year; activity R44 (SBIR); PI MANSFIELD, GEORGE A; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Suction Device for Control and Accuracy source ↗
Mar 8, 2017 NIH award 1R43HL134459-01A1 FY2017: $359,137 awarded for that fiscal year; activity R43 (SBIR); PI WANG, MENGJUN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. HLS-Animal Model and Treatment of Chronic Veno source ↗
Jul 26, 2016 NIH award 1R43HL129586-01A1 FY2016: $285,407 awarded for that fiscal year; activity R43 (SBIR); PI BATES, KYLE; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Device for Treatment of Cardiac No-Option Patien source ↗
May 26, 2016 NIH award 5R44HL120517-03 FY2016: $781,382 awarded for that fiscal year; activity R44 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Coronary Post-Dilatation Catheter source ↗
Jun 8, 2015 NIH award 2R44HL120517-02 FY2015: $701,239 awarded for that fiscal year; activity R44 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Coronary Post-Dilatation Catheter source ↗
Mar 23, 2015 NIH award 1R43HL123186-01A1 FY2015: $237,021 awarded for that fiscal year; activity R43 (SBIR); PI COMBS, WILLIAM; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Valvuloplasty Sizing Balloon Catheter source ↗
Jul 22, 2014 NIH award 1R43HL120375-01A1 FY2014: $230,895 awarded for that fiscal year; activity R43 (SBIR); PI BERWICK, ZACHARY; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Mild Hypothermia Catheter for Reperfusion I source ↗
Aug 19, 2013 NIH award 1R43HL117501-01A1 FY2013: $269,255 awarded for that fiscal year; activity R43 (SBIR); PI SVENDSEN, MARK CHRISTIAN; recipient as written: 3DT HOLDINGS, LLC, SAN DIEGO, CA. Stabilization Device for Transsepta source ↗