Zenas BioPharma, Inc. - ZBIO

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
FMR LLC History Added to 7,704,255 279,741 0.01% 0.01% 1 +2,883,885 59.83% Q4 2025 Feb 17, 2026
SR ONE CAPITAL MANAGEMENT, LP History Added to 5,037,854 182,924 25.9% 15.77% 2 +126,315 2.57% Q4 2025 Feb 12, 2026
Enavate Sciences GP, LLC History Added to 3,919,159 142,304 28.08% 25.49% 3 +157,800 4.2% Q4 2025 Feb 17, 2026
NEA Management Company, LLC History Added to 3,523,219 127,928 6.52% 3.33% 4 +789,500 28.88% Q4 2025 Feb 17, 2026
FEDERATED HERMES, INC. History Added to 2,715,578 98,602 0.16% 0.07% 5 +853,740 45.85% Q4 2025 Feb 12, 2026
Fairmount Funds Management LLC History Added to 2,209,025 80,209 6.11% 3.78% 6 +316,219 16.71% Q4 2025 Feb 17, 2026
NVP Associates, LLC History No change 1,838,482 66,755 26.16% 24.58% 7 0 0.0% Q4 2025 Feb 17, 2026
BlackRock, Inc. History Added to 1,767,518 64,178 0.0% 0.0% 8 +538,877 43.86% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Added to 1,453,065 52,760 0.0% 0.0% 9 +290,307 24.97% Q4 2025 Jan 29, 2026
Novo Holdings A/S History Reduced 1,450,000 52,649 4.09% 2.86% 10 -550,000 -27.5% Q4 2025 Feb 17, 2026
Polar Capital Holdings Plc History New 1,057,609 38,401 0.15% 11 +1,057,609 New Q4 2025 Feb 17, 2026
WELLINGTON MANAGEMENT GROUP LLP History Reduced 855,334 31,057 0.01% 0.0% 12 -2,190 -0.26% Q4 2025 Feb 17, 2026
Vivo Capital, LLC History Reduced 853,495 30,990 2.0% 2.11% 13 -329,765 -27.87% Q4 2025 Feb 13, 2026
EcoR1 Capital, LLC History New 789,500 28,666 1.3% 14 +789,500 New Q4 2025 Feb 17, 2026
ArrowMark Colorado Holdings LLC History Reduced 751,161 27,274 0.6% 0.34% 15 -73,507 -8.91% Q4 2025 Feb 17, 2026
Pivotal bioVenture Partners Investment Advisor LLC History Reduced 591,991 21,495 8.31% 10.0% 16 -187,054 -24.01% Q4 2025 Feb 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 588,393 21,370 0.0% 0.0% 17 +118,358 25.18% Q4 2025 Feb 09, 2026
Rock Springs Capital Management LP History Reduced 502,077 18,230 0.93% 0.75% 18 -78,600 -13.54% Q4 2025 Feb 17, 2026
STATE STREET CORP History Added to 438,294 15,914 0.0% 0.0% 19 +60,809 16.11% Q4 2025 Feb 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 369,248 13,408 0.0% 0.0% 20 -5,050 -1.35% Q4 2025 Feb 17, 2026
NEXTBio Capital Management LP History New 321,983 11,691 6.86% 21 +321,983 New Q4 2025 Feb 13, 2026
Point72 Asset Management, L.P. History New 403,400 10,484 0.01% 22 +403,400 New Q4 2025 Feb 17, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 213,193 7,741 0.0% 0.0% 23 +34,797 19.51% Q4 2025 Feb 13, 2026
BALYASNY ASSET MANAGEMENT L.P. History New 193,153 7,013 0.01% 24 +193,153 New Q4 2025 Feb 17, 2026
Invesco Ltd. History Added to 187,968 6,825 0.0% 0.0% 25 +42,172 28.93% Q4 2025 Feb 19, 2026
Skandinaviska Enskilda Banken AB (publ) History New 163,860 5,949 0.02% 26 +163,860 New Q4 2025 Feb 12, 2026
NORTHERN TRUST CORP History Added to 155,366 5,641 0.0% 0.0% 27 +22,088 16.57% Q4 2025 Feb 17, 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC History New 133,439 4,845 0.02% 28 +133,439 New Q4 2025 Feb 17, 2026
GOLDMAN SACHS GROUP INC History New 130,698 4,745 0.0% 29 +130,698 New Q4 2025 Mar 25, 2026
MORGAN STANLEY History Added to 128,335 4,659 0.0% 0.0% 30 +39,602 44.63% Q4 2025 Feb 13, 2026
Eversept Partners, LP History Reduced 121,016 4,394 0.22% 0.24% 31 -37,726 -23.77% Q4 2025 Feb 17, 2026
Caption Management, LLC History New 107,700 3,910 0.03% 32 +107,700 New Q4 2025 Feb 17, 2026
Ikarian Capital, LLC History New 93,600 3,398 0.27% 33 +93,600 New Q4 2025 Feb 18, 2026
SUPERSTRING CAPITAL MANAGEMENT LP History Reduced 83,353 3,026 1.62% 2.11% 34 -13,312 -13.77% Q4 2025 Feb 17, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 78,220 2,840 0.0% 0.0% 35 +53,636 218.17% Q4 2025 Feb 17, 2026
UBS Group AG History Added to 69,495 2,523 0.0% 0.0% 36 +34,003 95.8% Q4 2025 Jan 29, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 57,578 2,090 0.0% 0.0% 37 +47,478 470.08% Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History New 56,759 2,060 0.0% 38 +56,759 New Q4 2025 Feb 17, 2026
Bank of New York Mellon Corp History Added to 51,802 1,880 0.0% 0.0% 39 +10,114 24.26% Q4 2025 Feb 10, 2026
SCHRODER INVESTMENT MANAGEMENT GROUP History New 50,636 1,852 0.0% 40 +50,636 New Q4 2025 Feb 13, 2026
Nuveen, LLC History Added to 50,850 1,846 0.0% 0.0% 41 +30,331 147.82% Q4 2025 Feb 12, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 49,160 1,785 0.0% 0.0% 42 -22,690 -31.58% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 47,160 1,712 0.0% 0.0% 43 +32,351 218.45% Q4 2025 Feb 17, 2026
ALPS ADVISORS INC History Added to 44,077 1,600 0.01% 0.0% 44 +24,035 119.92% Q4 2025 Feb 12, 2026
Squadron Capital Management LLC History New 36,000 1,307 0.55% 45 +36,000 New Q4 2025 Feb 17, 2026
JANE STREET GROUP, LLC History New 35,800 1,299 0.0% 46 +35,800 New Q4 2025 Feb 12, 2026
BARCLAYS PLC History Added to 34,377 1,248 0.0% 0.0% 47 +11,501 50.28% Q4 2025 Feb 13, 2026
Swiss National Bank History New 31,600 1,147 0.0% 48 +31,600 New Q4 2025 Feb 12, 2026
BOOTHBAY FUND MANAGEMENT, LLC History New 25,800 936 0.01% 49 +25,800 New Q4 2025 Feb 17, 2026
RHUMBLINE ADVISERS History Added to 21,946 796 0.0% 0.0% 50 +732 3.45% Q4 2025 Feb 13, 2026
JPMORGAN CHASE & CO History Added to 21,726 788 0.0% 0.0% 51 +15,178 231.8% Q4 2025 Feb 11, 2026
WELLS FARGO & COMPANY/MN History Added to 21,151 767 0.0% 0.0% 52 +8,696 69.82% Q4 2025 Feb 13, 2026
ALLIANCEBERNSTEIN L.P. History No change 18,350 666 0.0% 0.0% 53 0 0.0% Q4 2025 Feb 17, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Added to 15,701 570 0.0% 0.0% 54 +14,556 1271.27% Q4 2025 Feb 17, 2026
Squarepoint Ops LLC History New 15,541 564 0.0% 55 +15,541 New Q4 2025 Feb 13, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 15,100 548 0.0% 0.0% 56 -5,282 -25.92% Q4 2025 Feb 17, 2026
NOMURA HOLDINGS INC History New 15,000 544 0.0% 57 +15,000 New Q4 2025 Feb 17, 2026
VOYA INVESTMENT MANAGEMENT LLC History New 14,725 534 0.0% 58 +14,725 New Q4 2025 Feb 12, 2026
China Universal Asset Management Co., Ltd. History New 13,314 483 0.04% 59 +13,314 New Q4 2025 Jan 29, 2026
Legal & General Group Plc History Added to 13,027 473 0.0% 0.0% 60 +11,673 862.11% Q4 2025 Feb 09, 2026
DEUTSCHE BANK AG\ History Added to 12,781 464 0.0% 0.0% 61 +554 4.53% Q4 2025 Feb 11, 2026
Creative Planning History Added to 12,273 445 0.0% 0.0% 62 +391 3.29% Q4 2025 Feb 17, 2026
XTX Topco Ltd History New 12,183 442 0.01% 63 +12,183 New Q4 2025 Feb 17, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 14,447 431 0.0% 64 +14,447 New Q4 2025 Feb 11, 2026
STATE OF WISCONSIN INVESTMENT BOARD History New 10,221 371 0.0% 65 +10,221 New Q4 2025 Feb 17, 2026
Voleon Capital Management LP History New 10,187 369 0.01% 66 +10,187 New Q4 2025 Feb 17, 2026
MetLife Investment Management, LLC History No change 10,100 366 0.0% 0.0% 67 0 0.0% Q4 2025 Feb 12, 2026
TORONTO DOMINION BANK History New 10,000 363 0.0% 68 +10,000 New Q4 2025 Feb 17, 2026
Schonfeld Strategic Advisors LLC History New 9,127 331 0.0% 69 +9,127 New Q4 2025 Feb 17, 2026
GSA CAPITAL PARTNERS LLP History New 8,956 325 0.03% 70 +8,956 New Q4 2025 Feb 06, 2026
INTECH INVESTMENT MANAGEMENT LLC History New 8,863 321 0.0% 71 +8,863 New Q4 2025 Feb 10, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 8,780 318 0.0% 0.0% 72 +1,319 17.68% Q4 2025 Feb 17, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 8,400 305 0.0% 73 +8,400 New Q4 2025 Feb 13, 2026
JANUS HENDERSON GROUP PLC History New 7,900 286 0.0% 74 +7,900 New Q4 2025 Feb 17, 2026
Mariner, LLC History New 7,676 278 0.0% 75 +7,676 New Q4 2025 Feb 13, 2026
Centiva Capital, LP History New 7,500 272 0.0% 76 +7,500 New Q4 2025 Feb 13, 2026
VARCOV Co. History New 7,335 266 0.1% 77 +7,335 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 7,138 259 0.0% 0.0% 78 +3,992 126.89% Q4 2025 Feb 10, 2026
MARSHALL WACE, LLP History New 7,100 257 0.0% 79 +7,100 New Q4 2025 Feb 13, 2026
Virtus Investment Advisers, LLC History New 6,554 237 0.06% 80 +6,554 New Q4 2025 Feb 17, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History New 6,256 227 0.0% 81 +6,256 New Q4 2025 Feb 13, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 6,200 225 0.0% 0.0% 82 0 0.0% Q4 2025 Feb 12, 2026
Brevan Howard Capital Management LP History New 6,173 224 0.0% 83 +6,173 New Q4 2025 Feb 17, 2026
ProShare Advisors LLC History New 5,820 211 0.0% 85 +5,820 New Q4 2025 Feb 06, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 5,824 211 0.0% 0.0% 84 -19 -0.33% Q4 2025 Feb 06, 2026
Police & Firemen's Retirement System of New Jersey History No change 4,499 163 0.0% 0.0% 86 0 0.0% Q4 2025 Feb 13, 2026
KLP KAPITALFORVALTNING AS History New 3,400 123 0.0% 87 +3,400 New Q4 2025 Jan 28, 2026
STRS OHIO History No change 2,800 101 0.0% 0.0% 88 0 0.0% Q4 2025 Feb 02, 2026
Mirae Asset Global Investments Co., Ltd. History New 2,608 94 0.0% 89 +2,608 New Q4 2025 Jan 26, 2026
CITIGROUP INC History Added to 2,351 85 0.0% 0.0% 90 +2,163 1150.53% Q4 2025 Feb 13, 2026
CWM, LLC History Added to 2,178 79 0.0% 0.0% 91 +709 48.26% Q4 2025 Jan 26, 2026
SIMPLEX TRADING, LLC History New 1,974 71 0.0% 92 +1,974 New Q4 2025 Feb 11, 2026
Ameritas Investment Partners, Inc. History Reduced 1,368 49 0.0% 0.0% 93 -240 -14.93% Q4 2025 Feb 11, 2026
Russell Investments Group, Ltd. History No change 1,345 48 0.0% 0.0% 94 0 0.0% Q4 2025 Feb 17, 2026
Sterling Capital Management LLC History Reduced 1,087 39 0.0% 0.0% 95 -34 -3.03% Q4 2025 Feb 13, 2026
GF FUND MANAGEMENT CO. LTD. History New 1,054 38 0.0% 96 +1,054 New Q4 2025 Jan 27, 2026
US BANCORP \DE\ History Reduced 884 32 0.0% 0.0% 97 -69 -7.24% Q4 2025 Jan 30, 2026
Tower Research Capital LLC (TRC) History Reduced 795 28 0.0% 0.0% 98 -593 -42.72% Q4 2025 Feb 17, 2026
AMALGAMATED BANK History Added to 593 22 0.0% 0.0% 99 +69 13.17% Q4 2025 Feb 05, 2026
ROYAL BANK OF CANADA History New 544 20 0.0% 100 +544 New Q4 2025 Feb 17, 2026
SIGNATUREFD, LLC History Added to 389 14 0.0% 0.0% 101 +57 17.17% Q4 2025 Jan 20, 2026
Daiwa Securities Group Inc. History New 179 6 0.0% 102 +179 New Q4 2025 Feb 11, 2026
GAMMA Investing LLC History Reduced 179 6 0.0% 0.0% 103 -4 -2.19% Q4 2025 Jan 05, 2026
NISA INVESTMENT ADVISORS, LLC History No change 115 4 0.0% 0.0% 104 0 0.0% Q4 2025 Jan 15, 2026
Torren Management, LLC History New 95 3 0.0% 107 +95 New Q4 2025 Jan 30, 2026
J.Safra Asset Management Corp History New 92 3 0.0% 105 +92 New Q4 2025 Feb 11, 2026
Farther Finance Advisors, LLC History Added to 86 3 0.0% 106 +62 258.33% Q4 2025 Jan 23, 2026
EverSource Wealth Advisors, LLC History Added to 73 2 0.0% 0.0% 108 +15 25.86% Q4 2025 Feb 06, 2026
Physician Wealth Advisors, Inc. History No change 67 2 0.0% 0.0% 109 0 0.0% Q4 2025 Jan 29, 2026
Aster Capital Management (DIFC) Ltd History Reduced 42 1 0.0% 0.0% 111 -297 -87.61% Q4 2025 Feb 17, 2026
Allworth Financial LP History New 47 1 0.0% 110 +47 New Q4 2025 Feb 05, 2026
DEERFIELD MANAGEMENT COMPANY, L.P. History Closed out 0 0 0.53% -1,562,942 -100.0% Q3 2025 Nov 14, 2025
SECTORAL ASSET MANAGEMENT INC History Closed out 0 0 2.08% -152,025 -100.0% Q3 2025 Nov 14, 2025
STEMPOINT CAPITAL LP History Closed out 0 0 0.17% -38,742 -100.0% Q3 2025 Nov 14, 2025
Birchview Capital, LP History Closed out 0 0 0.28% -16,500 -100.0% Q3 2025 Nov 13, 2025
AMERICAN CENTURY COMPANIES INC History Closed out 0 0 0.0% -10,981 -100.0% Q3 2025 Nov 12, 2025
Quarry LP History Closed out 0 0 0.01% -1,134 -100.0% Q3 2025 Nov 14, 2025
Arax Advisory Partners History Reduced 4 0 0.0% -111 -96.52% Q4 2025 Feb 13, 2026
OSAIC HOLDINGS, INC. History Reduced 3 0 0.0% -101 -97.12% Q4 2025 Feb 17, 2026
Cornerstone Financial Management LLC History New 26 0 +26 New Q4 2025 Feb 13, 2026
Clearstead Advisors, LLC History Reduced 1 0 -22 -95.65% Q4 2025 Feb 09, 2026
Larson Financial Group LLC History New 19 0 +19 New Q4 2025 Feb 06, 2026
IFP Advisors, Inc History New 12 0 +12 New Q4 2025 Feb 06, 2026
MAI Capital Management History New 7 0 +7 New Q4 2025 Feb 13, 2026
SJS Investment Consulting Inc. History New 7 0 +7 New Q4 2025 Jan 21, 2026
Global Retirement Partners, LLC History Reduced 11 0 -4 -26.67% Q4 2025 Feb 06, 2026
SageView Advisory Group, LLC History New 4 0 +4 New Q4 2025 Feb 17, 2026
ROTHSCHILD INVESTMENT LLC History New 1 0 +1 New Q4 2025 Feb 10, 2026
Keating Financial Advisory Services, Inc. History New 1 0 +1 New Q4 2025 Feb 09, 2026
SBI Securities Co., Ltd. History Closed out 0 0 -1 -100.0% Q3 2025 Nov 05, 2025
Sunbelt Securities, Inc. History No change 11 0 0 0.0% Q4 2025 Feb 20, 2026
True Wealth Design, LLC History No change 3 0 0 0.0% Q4 2025 Jan 08, 2026