# EDGAR Filing Document

**Accession Number:** 0001986590
**File Stem:** 0000919574-25-004541
**Filing Date:** 2025-8
**Character Count:** 11941
**Document Hash:** 997be3b817e75a5e5b6ff3025c87b9cb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000919574-25-004541.hdr.sgml**: 20250813

**ACCESSION NUMBER**: 0000919574-25-004541

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250813

**DATE AS OF CHANGE**: 20250813

**EFFECTIVENESS DATE**: 20250813

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Samjo Management, LLC
- **CENTRAL INDEX KEY:** 0001986590

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-23445
- **FILM NUMBER:** 251210031

**BUSINESS ADDRESS:**
- **STREET 1:** 880 THIRD AVENUE
- **STREET 2:** 16TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 212 419-3924

**MAIL ADDRESS:**
- **STREET 1:** 880 THIRD AVENUE
- **STREET 2:** 16TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Samjo Management LLC
- **DATE OF NAME CHANGE:** 20230721

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 06-30-2025

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Samjo Management LLC<br>**Address:** 880 Third Avenue<br>16th Floor<br>New York, NY 10022

**Form 13F File Number:** 028-23445

**CRD Number (if applicable):** 000326808

**SEC File Number (if applicable):** 801-128117

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Andrew Wiener<br>**Title:** Managing Member<br>**Phone:** 212-419-3924

**Signature, Place, and Date of Signing:**

/s/Andrew Wiener  New York, NY  08-13-2025<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 84

**Form 13F Information Table Value Total:** $236994566

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 317214 | 1800 | SH |  | SOLE |  | 0 | 0 | 1800 |
| ALPHABET INC | CAP STK CL C | 02079K107 |  | 319302 | 1800 | SH |  | SOLE |  | 0 | 0 | 1800 |
| APOLLO GLOBAL MGMT INC | COM | 03769M106 |  | 5143497 | 36255 | SH |  | SOLE |  | 0 | 0 | 36255 |
| APPLE INC | COM | 037833100 |  | 262618 | 1280 | SH |  | SOLE |  | 0 | 0 | 1280 |
| ARES CAPITAL CORP | COM | 04010L103 |  | 680760 | 31000 | SH |  | SOLE |  | 0 | 0 | 31000 |
| ARTERIS INC | COM | 04302A104 |  | 4232273 | 444100 | SH |  | SOLE |  | 444100 | 0 | 0 |
| ARTERIS INC | COM | 04302A104 |  | 4528656 | 475200 | SH |  | SOLE |  | 0 | 0 | 475200 |
| ASPEN AEROGELS INC | COM | 04523Y105 |  | 1480000 | 250000 | SH |  | SOLE |  | 250000 | 0 | 0 |
| ASPEN AEROGELS INC | COM | 04523Y105 |  | 554260 | 93625 | SH |  | SOLE |  | 0 | 0 | 93625 |
| ASTRAZENECA PLC | SPONSORED ADR | 046353108 |  | 3794833 | 54305 | SH |  | SOLE |  | 0 | 0 | 54305 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 7009661 | 14430 | SH |  | SOLE |  | 0 | 0 | 14430 |
| BIODESIX INC | COM | 09075X108 |  | 7055 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| BLACKSTONE INC | COM | 09260D107 |  | 1376136 | 9200 | SH |  | SOLE |  | 0 | 0 | 9200 |
| CANTALOUPE INC | COM | 138103106 |  | 7069702 | 643285 | SH |  | SOLE |  | 0 | 0 | 643285 |
| CANTALOUPE INC | COM | 138103106 |  | 6753355 | 614500 | SH |  | SOLE |  | 614500 | 0 | 0 |
| CCC INTELLIGENT SOLUTIONS HL | COM | 12510Q100 |  | 658700 | 70000 | SH |  | SOLE |  | 0 | 0 | 70000 |
| CERTARA INC | COM | 15687V109 |  | 1872000 | 160000 | SH |  | SOLE |  | 160000 | 0 | 0 |
| CONSTELLATION ENERGY CORP | COM | 21037T109 |  | 2009181 | 6225 | SH |  | SOLE |  | 0 | 0 | 6225 |
| CORTEVA INC | COM | 22052L104 |  | 223814 | 3003 | SH |  | SOLE |  | 3003 | 0 | 0 |
| CORTEVA INC | COM | 22052L104 |  | 447180 | 6000 | SH |  | SOLE |  | 0 | 0 | 6000 |
| COURSERA INC | COM | 22266M104 |  | 1357800 | 155000 | SH |  | SOLE |  | 155000 | 0 | 0 |
| CROWN CASTLE INC | COM | 22822V101 |  | 1682204 | 16375 | SH |  | SOLE |  | 0 | 0 | 16375 |
| DEERE  CO | COM | 244199105 |  | 2349224 | 4620 | SH |  | SOLE |  | 0 | 0 | 4620 |
| DIGIMARC CORP NEW | COM | 25381B101 |  | 48547 | 3675 | SH |  | SOLE |  | 0 | 0 | 3675 |
| DIGIMARC CORP NEW | COM | 25381B101 |  | 441214 | 33400 | SH |  | SOLE |  | 33400 | 0 | 0 |
| DIGITALBRIDGE GROUP INC | CL A NEW | 25401T603 |  | 3639060 | 351600 | SH |  | SOLE |  | 351600 | 0 | 0 |
| DIGITALBRIDGE GROUP INC | CL A NEW | 25401T603 |  | 2779337 | 268535 | SH |  | SOLE |  | 0 | 0 | 268535 |
| DOW INC | COM | 260557103 |  | 423680 | 16000 | SH |  | SOLE |  | 0 | 0 | 16000 |
| DOW INC | COM | 260557103 |  | 79519 | 3003 | SH |  | SOLE |  | 3003 | 0 | 0 |
| DUPONT DE NEMOURS INC | COM | 26614N102 |  | 980837 | 14300 | SH |  | SOLE |  | 0 | 0 | 14300 |
| DUPONT DE NEMOURS INC | COM | 26614N102 |  | 205976 | 3003 | SH |  | SOLE |  | 3003 | 0 | 0 |
| EMERSON ELEC CO | COM | 291011104 |  | 5398532 | 40490 | SH |  | SOLE |  | 0 | 0 | 40490 |
| EMPIRE ST RLTY OP L P | UNIT LTD PRTNSP | 292102100 |  | 101557 | 12904 | SH |  | SOLE |  | 0 | 0 | 12904 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 |  | 743330 | 41000 | SH |  | SOLE |  | 0 | 0 | 41000 |
| ENERGY TRANSFER L P | COM UT LTD PTN | 29273V100 |  | 81585 | 4500 | SH |  | SOLE |  | 4500 | 0 | 0 |
| ENTERPRISE PRODS PARTNERS L | COM | 293792107 |  | 1272961 | 41050 | SH |  | SOLE |  | 0 | 0 | 41050 |
| ENTERPRISE PRODS PARTNERS L | COM | 293792107 |  | 127141 | 4100 | SH |  | SOLE |  | 4100 | 0 | 0 |
| EXELON CORP | COM | 30161N101 |  | 1176682 | 27100 | SH |  | SOLE |  | 0 | 0 | 27100 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 204820 | 1900 | SH |  | SOLE |  | 0 | 0 | 1900 |
| GENIUS SPORTS LIMITED | SHARES CL A | G3934V109 |  | 10082800 | 969500 | SH |  | SOLE |  | 969500 | 0 | 0 |
| GENIUS SPORTS LIMITED | SHARES CL A | G3934V109 |  | 8697000 | 836250 | SH |  | SOLE |  | 0 | 0 | 836250 |
| INSPIRED ENTMT INC | COM | 45782N108 |  | 8423270 | 1031000 | SH |  | SOLE |  | 1031000 | 0 | 0 |
| INSPIRED ENTMT INC | COM | 45782N108 |  | 8549987 | 1046510 | SH |  | SOLE |  | 0 | 0 | 1046510 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 235824 | 800 | SH |  | SOLE |  | 0 | 0 | 800 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 76375 | 500 | SH |  | SOLE |  | 500 | 0 | 0 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 2274448 | 14890 | SH |  | SOLE |  | 0 | 0 | 14890 |
| KINDER MORGAN INC DEL | COM | 49456B101 |  | 5689929 | 193535 | SH |  | SOLE |  | 0 | 0 | 193535 |
| KKR  CO INC | COM | 48251W104 |  | 133030 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| KKR  CO INC | COM | 48251W104 |  | 5327186 | 40045 | SH |  | SOLE |  | 0 | 0 | 40045 |
| MDXHEALTH SA | SHS NEW | B5950S113 |  | 2036294 | 921400 | SH |  | SOLE |  | 921400 | 0 | 0 |
| MDXHEALTH SA | SHS NEW | B5950S113 |  | 1356830 | 613950 | SH |  | SOLE |  | 0 | 0 | 613950 |
| MICROSOFT CORP | COM | 594918104 |  | 2611403 | 5250 | SH |  | SOLE |  | 0 | 0 | 5250 |
| NEOGEN CORP | COM | 640491106 |  | 1627590 | 340500 | SH |  | SOLE |  | 340500 | 0 | 0 |
| NEOGEN CORP | COM | 640491106 |  | 1711766 | 358110 | SH |  | SOLE |  | 0 | 0 | 358110 |
| NEOGENOMICS INC | COM NEW | 64049M209 |  | 2457622 | 336200 | SH |  | SOLE |  | 336200 | 0 | 0 |
| NEOGENOMICS INC | COM NEW | 64049M209 |  | 2659159 | 363770 | SH |  | SOLE |  | 0 | 0 | 363770 |
| NOVO-NORDISK A S | ADR | 670100205 |  | 365806 | 5300 | SH |  | SOLE |  | 0 | 0 | 5300 |
| P10 INC | COM CL A | 69376K106 |  | 2982196 | 291800 | SH |  | SOLE |  | 291800 | 0 | 0 |
| P10 INC | COM CL A | 69376K106 |  | 2364857 | 231395 | SH |  | SOLE |  | 0 | 0 | 231395 |
| PAYCHEX INC | COM | 704326107 |  | 2238629 | 15390 | SH |  | SOLE |  | 0 | 0 | 15390 |
| PDF SOLUTIONS INC | COM | 693282105 |  | 10424760 | 487594 | SH |  | SOLE |  | 0 | 0 | 487594 |
| PDF SOLUTIONS INC | COM | 693282105 |  | 9582516 | 448200 | SH |  | SOLE |  | 448200 | 0 | 0 |
| PFIZER INC | COM | 717081103 |  | 1591235 | 65645 | SH |  | SOLE |  | 0 | 0 | 65645 |
| POWERFLEET INC | COM | 73931J109 |  | 4361936 | 1012050 | SH |  | SOLE |  | 0 | 0 | 1012050 |
| POWERFLEET INC | COM | 73931J109 |  | 5247425 | 1217500 | SH |  | SOLE |  | 1217500 | 0 | 0 |
| PRIMO BRANDS CORPORATION | CLASS A COM SHS | 741623102 |  | 3228580 | 109000 | SH |  | SOLE |  | 109000 | 0 | 0 |
| PRIMO BRANDS CORPORATION | CLASS A COM SHS | 741623102 |  | 6304913 | 212860 | SH |  | SOLE |  | 0 | 0 | 212860 |
| PROCTER AND GAMBLE CO | COM | 742718109 |  | 1643386 | 10315 | SH |  | SOLE |  | 0 | 0 | 10315 |
| RIMINI STR INC DEL | COM | 76674Q107 |  | 696000 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| RIMINI STR INC DEL | COM | 76674Q107 |  | 1132450 | 285000 | SH |  | SOLE |  | 0 | 0 | 285000 |
| RTX CORPORATION | COM | 75513E101 |  | 2999981 | 20545 | SH |  | SOLE |  | 0 | 0 | 20545 |
| SCHLUMBERGER LTD | COM STK | 806857108 |  | 2890745 | 85525 | SH |  | SOLE |  | 85525 | 0 | 0 |
| SCHLUMBERGER LTD | COM STK | 806857108 |  | 5002062 | 147990 | SH |  | SOLE |  | 0 | 0 | 147990 |
| SILVACO GROUP INC | COM | 82728C102 |  | 189272 | 40100 | SH |  | SOLE |  | 0 | 0 | 40100 |
| SILVACO GROUP INC | COM | 82728C102 |  | 542800 | 115000 | SH |  | SOLE |  | 115000 | 0 | 0 |
| SOUNDTHINKING INC | COM | 82536T107 |  | 1070510 | 82000 | SH |  | SOLE |  | 82000 | 0 | 0 |
| STARBUCKS CORP | COM | 855244109 |  | 1197604 | 13070 | SH |  | SOLE |  | 0 | 0 | 13070 |
| THRYV HLDGS INC | COM NEW | 886029206 |  | 12590464 | 1035400 | SH |  | SOLE |  | 1035400 | 0 | 0 |
| THRYV HLDGS INC | COM NEW | 886029206 |  | 9784240 | 804625 | SH |  | SOLE |  | 0 | 0 | 804625 |
| WALMART INC | COM | 931142103 |  | 2531524 | 25890 | SH |  | SOLE |  | 0 | 0 | 25890 |
| WILLIAMS COS INC | COM | 969457100 |  | 820927 | 13070 | SH |  | SOLE |  | 0 | 0 | 13070 |
| XYLEM INC | COM | 98419M100 |  | 2287085 | 17680 | SH |  | SOLE |  | 0 | 0 | 17680 |
| ZETA GLOBAL HOLDINGS CORP | CL A | 98956A105 |  | 3762521 | 242900 | SH |  | SOLE |  | 242900 | 0 | 0 |
| ZETA GLOBAL HOLDINGS CORP | CL A | 98956A105 |  | 3375426 | 217910 | SH |  | SOLE |  | 0 | 0 | 217910 |

---