# EDGAR Filing Document

**Accession Number:** 0001781002
**File Stem:** 0001420506-23-000476
**Filing Date:** 2023-2
**Character Count:** 12257
**Document Hash:** d58dfe4cdcf679e5e15884d4d521cf12
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001420506-23-000476.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001420506-23-000476

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230213

**EFFECTIVENESS DATE**: 20230214

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Bleichroeder LP
- **CENTRAL INDEX KEY:** 0001781002
- **IRS NUMBER:** 842006600
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-20050
- **FILM NUMBER:** 23620379

**BUSINESS ADDRESS:**
- **STREET 1:** 1345 AVENUE OF THE AMERICAS
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10105
- **BUSINESS PHONE:** 917-769-2999

**MAIL ADDRESS:**
- **STREET 1:** 1345 AVENUE OF THE AMERICAS
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10105

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2022

**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:** Bleichroeder LP<br>**Address:** 1345 AVENUE OF THE AMERICAS<br>47TH FLOOR<br>NEW YORK, NY 10105

**Form 13F File Number:** 028-20050

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:** Michael M. Kellen<br>**Title:** Chairman and CO-CEO of Bleichroeder LP<br>**Phone:** 917-769-2999

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

Michael M. Kellen Chairman and CO-CEO of Bleichroeder LP  NEW YORK, NY  02-13-2023<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:** 86

**Form 13F Information Table Value Total:** $460119324

      (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 |
| ABBVIE INC | COM | 00287Y109 |  | 83229 | 515 | SH |  | SOLE |  | 515 | 0 | 0 |
| ADARA ACQUISITION CORP | COM CL A | 00653H102 |  | 4072000 | 400000 | SH |  | SOLE |  | 400000 | 0 | 0 |
| ADARA ACQUISITION CORP | *W EXP 02/11/202 | 00653H110 |  | 14240 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| ADEIA INC | COM | 00676P107 |  | 853 | 90 | SH |  | SOLE |  | 90 | 0 | 0 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 |  | 59161 | 913 | SH |  | SOLE |  | 913 | 0 | 0 |
| ALTRIA GROUP INC | COM | 02209S103 |  | 54852 | 1200 | SH |  | SOLE |  | 1200 | 0 | 0 |
| AMERICAN EXPRESS CO | COM | 025816109 |  | 3693750 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| ARK ETF TR | FINTECH INNOVA | 00214Q708 |  | 17124 | 1200 | SH |  | SOLE |  | 1200 | 0 | 0 |
| ARK ETF TR | GENOMIC REV ETF | 00214Q302 |  | 23290 | 825 | SH |  | SOLE |  | 825 | 0 | 0 |
| ARK ETF TR | NEXT GNRTN INTER | 00214Q401 |  | 11565 | 300 | SH |  | SOLE |  | 300 | 0 | 0 |
| ARKO CORP | *W EXP 12/22/202 | 041242116 |  | 583333 | 333333 | SH |  | SOLE |  | 333333 | 0 | 0 |
| ASTRA SPACE INC | COM CL A | 04634X103 |  | 3372 | 7774 | SH |  | SOLE |  | 7774 | 0 | 0 |
| AT INC | COM | 00206R102 |  | 30377 | 1650 | SH |  | SOLE |  | 1650 | 0 | 0 |
| AVIAT NETWORKS INC | COM NEW | 05366Y201 |  | 2059 | 66 | SH |  | SOLE |  | 66 | 0 | 0 |
| B RILEY PRIN 250 MERGER CORP | CLASS A COM | 05602L104 |  | 2241000 | 225000 | SH |  | SOLE |  | 225000 | 0 | 0 |
| B RILEY PRIN 250 MERGER CORP | *W EXP 04/01/202 | 05602L112 |  | 2250 | 75000 | SH |  | SOLE |  | 75000 | 0 | 0 |
| BANK NEW YORK MELLON CORP | COM | 064058100 |  | 91040 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| BARFRESH FOOD GROUP INC | COM NEW | 067532200 |  | 1040373 | 800287 | SH |  | SOLE |  | 800287 | 0 | 0 |
| BLACKSTONE INC | COM | 09260D107 |  | 5935200 | 80000 | SH |  | SOLE |  | 80000 | 0 | 0 |
| BRUNSWICK CORP | COM | 117043109 |  | 70323843 | 975636 | SH |  | SOLE |  | 975636 | 0 | 0 |
| CADENCE DESIGN SYSTEM INC | COM | 127387108 |  | 84336 | 525 | SH |  | SOLE |  | 525 | 0 | 0 |
| CARRIER GLOBAL CORPORATION | COM | 14448C104 |  | 247500 | 6000 | SH |  | SOLE |  | 6000 | 0 | 0 |
| CAZOO GROUP LTD | *W EXP 08/26/202 | G2007L113 |  | 20 | 2500 | SH |  | SOLE |  | 2500 | 0 | 0 |
| COMPOSECURE INC | COM CL A | 20459V105 |  | 14678200 | 2989450 | SH |  | SOLE |  | 2989450 | 0 | 0 |
| COMPOSECURE INC | *W EXP 12/27/202 | 20459V113 |  | 70000 | 100000 | SH |  | SOLE |  | 100000 | 0 | 0 |
| CORSAIR PARTNERING CORP | SHS CL A | G2540H108 |  | 12500000 | 1250000 | SH |  | SOLE |  | 1250000 | 0 | 0 |
| CORSAIR PARTNERING CORP | *W EXP 07/06/202 | G2540H116 |  | 136791 | 416666 | SH |  | SOLE |  | 416666 | 0 | 0 |
| CTI BIOPHARMA CORP | COM | 12648L601 |  | 23401317 | 3893730 | SH |  | SOLE |  | 3893730 | 0 | 0 |
| CUE BIOPHARMA INC | COM | 22978P106 |  | 2454642 | 861278 | SH |  | SOLE |  | 861278 | 0 | 0 |
| CUE HEALTH INC | COM | 229790100 |  | 2070000 | 1000000 | SH |  | SOLE |  | 1000000 | 0 | 0 |
| CURIS INC | COM NEW | 231269200 |  | 171667 | 312122 | SH |  | SOLE |  | 312122 | 0 | 0 |
| DUOS TECHNOLOGIES GROUP INC | COM | 266042407 |  | 2566324 | 1283162 | SH |  | SOLE |  | 1283162 | 0 | 0 |
| DURECT CORP | COM NEW | 266605500 |  | 9139462 | 2641463 | SH |  | SOLE |  | 2641463 | 0 | 0 |
| EQRX INC | *W EXP 12/17/202 | 26886C115 |  | 53640 | 200000 | SH |  | SOLE |  | 200000 | 0 | 0 |
| EQRX INC | COM | 26886C107 |  | 12300 | 5000 | SH |  | SOLE |  | 5000 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 118573 | 1075 | SH |  | SOLE |  | 1075 | 0 | 0 |
| FAZE HOLDINGS INC | *W EXP 03/01/202 | 31423J110 |  | 9458 | 75000 | SH |  | SOLE |  | 75000 | 0 | 0 |
| FINCH THERAPEUTICS GROUP INC | COM | 31773D101 |  | 389000 | 810416 | SH |  | SOLE |  | 810416 | 0 | 0 |
| GRUPO TELEVISA S A B | SPON ADR REP ORD | 40049J206 |  | 4560000 | 1000000 | SH |  | SOLE |  | 1000000 | 0 | 0 |
| IDENTIV INC | COM NEW | 45170X205 |  | 19073744 | 2634495 | SH |  | SOLE |  | 2634495 | 0 | 0 |
| IMMUCELL CORP | COM PAR | 452525306 |  | 619723 | 101594 | SH |  | SOLE |  | 101594 | 0 | 0 |
| INFINITY PHARMACEUTICALS INC | COM | 45665G303 |  | 138750 | 250000 | SH |  | SOLE |  | 250000 | 0 | 0 |
| INNOVATE CORP | COM | 45784J105 |  | 513874 | 274799 | SH |  | SOLE |  | 274799 | 0 | 0 |
| INTELLICHECK INC | COM NEW | 45817G201 |  | 4147166 | 2073583 | SH |  | SOLE |  | 2073583 | 0 | 0 |
| INTEVAC INC | COM | 461148108 |  | 31988359 | 4944105 | SH |  | SOLE |  | 4944105 | 0 | 0 |
| ISPECIMEN INC | COM | 45032V108 |  | 90522 | 65834 | SH |  | SOLE |  | 65834 | 0 | 0 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 4023000 | 30000 | SH |  | SOLE |  | 30000 | 0 | 0 |
| L3HARRIS TECHNOLOGIES INC | COM | 502431109 |  | 333136 | 1600 | SH |  | SOLE |  | 1600 | 0 | 0 |
| LIBERTY GLOBAL PLC | SHS CL A | G5480U104 |  | 435182 | 22989 | SH |  | SOLE |  | 22989 | 0 | 0 |
| LIBERTY GLOBAL PLC | SHS CL C | G5480U120 |  | 1352678 | 69618 | SH |  | SOLE |  | 69618 | 0 | 0 |
| LIBERTY LATIN AMERICA LTD | COM CL A | G9001E102 |  | 30248 | 4017 | SH |  | SOLE |  | 4017 | 0 | 0 |
| LIBERTY LATIN AMERICA LTD | COM CL C | G9001E128 |  | 125567 | 16522 | SH |  | SOLE |  | 16522 | 0 | 0 |
| LIBERTY MEDIA CORP DEL | COM A SIRIUSXM | 531229409 |  | 4072595 | 103602 | SH |  | SOLE |  | 103602 | 0 | 0 |
| LIBERTY MEDIA CORP DEL | COM C SIRIUSXM | 531229607 |  | 9250175 | 236396 | SH |  | SOLE |  | 236396 | 0 | 0 |
| LINDE PLC | SHS | G5494J103 |  | 38020846 | 116564 | SH |  | SOLE |  | 116564 | 0 | 0 |
| LIONS GATE ENTMNT CORP | CL B NON VTG | 535919500 |  | 89123 | 16413 | SH |  | SOLE |  | 16413 | 0 | 0 |
| LIQTECH INTL INC | COM | 53632A201 |  | 1418490 | 3732869 | SH |  | SOLE |  | 3732869 | 0 | 0 |
| LUMENTUM HLDGS INC | COM | 55024U109 |  | 34432 | 660 | SH |  | SOLE |  | 660 | 0 | 0 |
| MAGENTA THERAPEUTICS INC | COM | 55910K108 |  | 136919 | 346631 | SH |  | SOLE |  | 346631 | 0 | 0 |
| MARINUS PHARMACEUTICALS INC | COM NEW | 56854Q200 |  | 7452403 | 1872463 | SH |  | SOLE |  | 1872463 | 0 | 0 |
| MAXCYTE INC | COM | 57777K106 |  | 1323328 | 250000 | SH |  | SOLE |  | 250000 | 0 | 0 |
| MDXHEALTH SA | SPONSORED ADS | 58286E102 |  | 11632498 | 1958333 | SH |  | SOLE |  | 1958333 | 0 | 0 |
| MILESTONE PHARMACEUTICALS IN | COM | 59935V107 |  | 5251297 | 1326085 | SH |  | SOLE |  | 1326085 | 0 | 0 |
| ONDAS HLDGS INC | COM NEW | 68236H204 |  | 1232250 | 775000 | SH |  | SOLE |  | 775000 | 0 | 0 |
| OPPFI INC | *W EXP 07/20/202 | 68386H111 |  | 25000 | 250000 | SH |  | SOLE |  | 250000 | 0 | 0 |
| OPTINOSE INC | COM | 68404V100 |  | 7483494 | 4045132 | SH |  | SOLE |  | 4045132 | 0 | 0 |
| OTIS WORLDWIDE CORP | COM | 68902V107 |  | 234930 | 3000 | SH |  | SOLE |  | 3000 | 0 | 0 |
| PAYPAL HLDGS INC | COM | 70450Y103 |  | 377466 | 5300 | SH |  | SOLE |  | 5300 | 0 | 0 |
| PIONEER MERGER CORP | CL A SHS | G7S24C103 |  | 21547500 | 2125000 | SH |  | SOLE |  | 2125000 | 0 | 0 |
| PIONEER MERGER CORP | *W EXP 01/07/202 | G7S24C111 |  | 354 | 708333 | SH |  | SOLE |  | 708333 | 0 | 0 |
| PROKIDNEY CORP | CLASS A ORD SHS | G7S53R104 |  | 13720000 | 2000000 | SH |  | SOLE |  | 2000000 | 0 | 0 |
| QUALTEK SERVICES INC | *W EXP 02/14/202 | 74760R113 |  | 154 | 3750 | SH |  | SOLE |  | 3750 | 0 | 0 |
| QUMU CORP | COM | 749063103 |  | 670275 | 750000 | SH |  | SOLE |  | 750000 | 0 | 0 |
| RAYTHEON TECHNOLOGIES CORP | COM | 75513E101 |  | 605520 | 6000 | SH |  | SOLE |  | 6000 | 0 | 0 |
| S GLOBAL INC | COM | 78409V104 |  | 13397600 | 40000 | SH |  | SOLE |  | 40000 | 0 | 0 |
| SAVERONE 2014 LTD | *W EXP 06/02/202 | 80516T113 |  | 12076 | 121000 | SH |  | SOLE |  | 121000 | 0 | 0 |
| SEMA4 HOLDINGS CORP | COM CL A | 81663L101 |  | 2638 | 10000 | SH |  | SOLE |  | 10000 | 0 | 0 |
| SOMALOGIC INC | *W EXP 08/31/202 | 83444K113 |  | 5608 | 14020 | SH |  | SOLE |  | 14020 | 0 | 0 |
| SPDR GOLD TR | GOLD SHS | 78463V107 |  | 80579000 | 475000 | SH |  | SOLE |  | 475000 | 0 | 0 |
| SPROTT PHYSICAL GOLD TR | UNIT | 85207H104 |  | 176814 | 12540 | SH |  | SOLE |  | 12540 | 0 | 0 |
| TERADYNE INC | COM | 880770102 |  | 52410 | 600 | SH |  | SOLE |  | 600 | 0 | 0 |
| THOR INDS INC | COM | 885160101 |  | 17173975 | 227500 | SH |  | SOLE |  | 227500 | 0 | 0 |
| WARNER BROS DISCOVERY INC | COM SER A | 934423104 |  | 3784 | 399 | SH |  | SOLE |  | 399 | 0 | 0 |
| X4 PHARMACEUTICALS INC | COM | 98420X103 |  | 35480 | 35730 | SH |  | SOLE |  | 35730 | 0 | 0 |
| XPERI INC | COMMON STOCK | 98423J101 |  | 293 | 34 | SH |  | SOLE |  | 34 | 0 | 0 |
| YEXT INC | COM | 98585N106 |  | 282507 | 43263 | SH |  | SOLE |  | 43263 | 0 | 0 |

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