# CARTESIAN THERAPEUTICS INC COM NEW

CARTESIAN THERAPEUTICS INC COM NEW is a security (CUSIP 816212302) tracked across SEC portfolio filings. 82 institutional managers reported $44.8M on Form 13F as of 2026-06-30; 8 registered fund positions totaling $1.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CARTESIAN THERAPEUTICS INC
- Class: COM NEW
- CUSIP: 816212302
- Asset category: EC
- 13F holders: 82
- 13F value: $44.8M
- 13F period: 2026-06-30
- N-PORT fund positions: 8
- N-PORT value: $1.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 82 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Squarepoint Ops LLC](https://search.stillhousedata.com/firm/172116) | New York, NY | $13.8M | 2,238,486 |
| FMR LLC | BOSTON, MA | $4.9M | 799,743 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $3.9M | 541,228 |
| BlackRock, Inc. | New York, NY | $3.7M | 599,108 |
| [683 Capital Management, LLC](https://search.stillhousedata.com/firm/156181) | NEW YORK, NY | $2.0M | 330,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $1.7M | 284,317 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $1.6M | 263,694 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $1.5M | 251,115 |
| STATE STREET CORP | BOSTON, MA | $1.2M | 200,337 |
| Privium Fund Management B.V. | AMSTERDAM, P7 | $1.1M | 179,114 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $1.0M | 167,313 |
| [Walleye Capital LLC](https://search.stillhousedata.com/firm/161413) | NEW YORK, NY | $853K | 81,828 |
| UBS Group AG | Zurich, V8 | $842K | 136,840 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $677K | 110,128 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $624K | 101,534 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $703K | 0.09% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $403K | 0.23% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $108K | 0.22% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $44K | 0.01% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $32K | 0.01% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $10K | 0.23% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $246 | 0.00% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $136 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/816212302.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.