CARTESIAN THERAPEUTICS INC (RNAC) Top Institutional Shareholders
CARTESIAN THERAPEUTICS INC (RNAC) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $43.84M in RNAC holdings during the latest filing period.
Squarepoint Ops Llc is currently the largest disclosed institutional shareholder of RNAC tracked by InsiderSet, reporting ownership valued at approximately $13.77M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $22.12M, representing an estimated gain of +60.65% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 78% of the total disclosed RNAC value among the investors covered in this analysis. Major shareholders include Squarepoint Ops Llc, Fmr Llc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in CARTESIAN THERAPEUTICS INC (RNAC).
This page ranks the largest institutional RNAC shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
80
Total Reported Value
$43.84M
Largest Holder
Squarepoint Ops Llc
Largest Position
$13.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
92
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Squarepoint Ops Llc | 0.03% | 2,238,486 | $13,766,689 | $22,116,242 | +$8,349,553 | +60.65% | |
| Fmr Llc | 0.00% | 799,743 | $4,918,419 | $7,901,461 | +$2,983,042 | +60.65% | |
| Blackrock, Inc. | 0.00% | 599,108 | $3,684,515 | $5,919,187 | +$2,234,672 | +60.65% | |
| Vanguard Capital Management Llc | 0.00% | 407,597 | $2,506,722 | $4,027,058 | +$1,520,336 | +60.65% | |
| 683 Capital Management, Llc | 0.19% | 330,000 | $2,029,500 | $3,260,400 | +$1,230,900 | +60.65% | |
| Millennium Management Llc | 0.00% | 284,317 | $1,748,550 | $2,809,052 | +$1,060,502 | +60.65% | |
| Geode Capital Management, Llc | 0.00% | 263,694 | $1,621,951 | $2,605,297 | +$983,346 | +60.63% | |
| Marshall Wace, Llp | 0.00% | 251,115 | $1,544,359 | $2,481,016 | +$936,657 | +60.65% | |
| Erste Asset Management Gmbh | 0.01% | 221,705 | $1,303,625 | $2,190,445 | +$886,820 | +68.03% | |
| State Street Corp | 0.00% | 200,337 | $1,232,073 | $1,979,330 | +$747,257 | +60.65% | |
| Privium Fund Management B.V. | 0.23% | 179,114 | $1,101,551 | $1,769,646 | +$668,095 | +60.65% | |
| Two Sigma Investments, Lp | 0.00% | 167,313 | $1,028,975 | $1,653,052 | +$624,077 | +60.65% | |
| Ubs Group Ag | 0.00% | 136,840 | $841,566 | $1,351,979 | +$510,413 | +60.65% | |
| Citadel Advisors Llc | 0.00% | 110,128 | $677,287 | $1,088,065 | +$410,778 | +60.65% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 101,534 | $624,434 | $1,003,156 | +$378,722 | +60.65% | |
| Northern Trust Corp | 0.00% | 91,992 | $565,750 | $908,881 | +$343,131 | +60.65% | |
| Aqr Capital Management Llc | 0.00% | 84,016 | $516,699 | $830,078 | +$313,379 | +60.65% | |
| Vanguard Fiduciary Trust Co | 0.00% | 70,296 | $432,320 | $694,524 | +$262,204 | +60.65% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 67,300 | $413,895 | $664,924 | +$251,029 | +60.65% |
| Vanguard Portfolio Management Llc | 0.00% | 60,583 | $372,585 | $598,560 | +$225,975 | +60.65% | |
| Diametric Capital, Lp | 0.06% | 38,069 | $234,124 | $376,122 | +$141,998 | +60.65% | |
| Nuveen, Llc | 0.00% | 37,451 | $230,324 | $370,016 | +$139,692 | +60.65% | |
| Goldman Sachs Group Inc | 0.00% | 30,927 | $190,201 | $305,559 | +$115,358 | +60.65% | |
| Xtx Topco Ltd | 0.00% | 30,055 | $184,838 | $296,943 | +$112,105 | +60.65% | |
| Eversource Wealth Advisors, Llc | 0.01% | 3,770 | $172,800 | $37,248 | -$135,552 | -78.44% | |
| Bank Of New York Mellon Corp | 0.00% | 26,099 | $160,509 | $257,858 | +$97,349 | +60.65% | |
| Bridgeway Capital Management, Llc | 0.00% | 25,000 | $153,750 | $247,000 | +$93,250 | +60.65% | |
| Charles Schwab Investment Management Inc | 0.00% | 24,929 | $153,313 | $246,299 | +$92,986 | +60.65% | |
| Man Group Plc | 0.00% | 23,699 | $145,749 | $234,146 | +$88,397 | +60.65% | |
| Miller Financial Services Llc | 0.15% | 22,143 | $136,179 | $218,773 | +$82,594 | +60.65% | |
| Ikarian Capital, Llc | 0.02% | 20,807 | $127,963 | $205,573 | +$77,610 | +60.65% | |
| Twin Focus Capital Partners, Llc | 0.01% | 19,500 | $119,925 | $192,660 | +$72,735 | +60.65% | |
| Alliancebernstein L.P. | 0.00% | 12,765 | $92,036 | $126,118 | +$34,082 | +37.03% | |
| Morgan Stanley | 0.00% | 14,805 | $91,051 | $146,273 | +$55,222 | +60.65% | |
| Ameriprise Financial Inc | 0.00% | 13,416 | $82,508 | $132,550 | +$50,042 | +60.65% | |
| Public Employees Retirement System Of Ohio | 0.00% | 13,000 | $79,950 | $128,440 | +$48,490 | +60.65% | |
| Sei Investments Co | 0.00% | 12,764 | $78,499 | $126,108 | +$47,609 | +60.65% | |
| Rhumbline Advisers | 0.00% | 12,360 | $76,004 | $122,117 | +$46,113 | +60.67% | |
| Bnp Paribas Financial Markets | 0.00% | 9,950 | $61,192 | $98,306 | +$37,114 | +60.65% | |
| Deutsche Bank Ag\ | 0.00% | 8,116 | $49,914 | $80,186 | +$30,272 | +60.65% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 5,253 | $32,306 | $51,900 | +$19,594 | +60.65% | |
| Cwm, Llc | 0.00% | 4,636 | $28,511 | $45,804 | +$17,293 | +60.65% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 4,533 | $27,878 | $44,786 | +$16,908 | +60.65% | |
| Wells Fargo & Company/Mn | 0.00% | 3,980 | $24,477 | $39,322 | +$14,845 | +60.65% | |
| New York State Common Retirement Fund | 0.00% | 3,902 | $23,997 | $38,552 | +$14,555 | +60.65% | |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | 3,715 | $22,847 | $36,704 | +$13,857 | +60.65% | |
| Vanguard Global Advisers, Llc | 0.00% | 3,630 | $22,325 | $35,864 | +$13,539 | +60.65% | |
| Barclays Plc | 0.00% | 3,307 | $20,338 | $32,673 | +$12,335 | +60.65% | |
| Police & Firemen'S Retirement System Of New Jersey | 0.00% | 2,939 | $18,075 | $29,037 | +$10,962 | +60.65% | |
| Strategic Wealth Partners, Ltd. | 0.00% | 2,029 | $12,478 | $20,047 | +$7,569 | +60.65% |
Frequently asked questions about RNAC
Who owns the most RNAC stock?
The largest holders of RNAC are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for CARTESIAN THERAPEUTICS INC (RNAC).
Is RNAC widely held by superinvestors?
Many widely followed stocks like RNAC appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RNAC is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.