13F

Stock

Zenas BioPharma, Inc.

ZBIO · held by 118 managers

Reported value

$1.49B

Holders

118

+2 new · −1 exited

Holders’ est. mark

$1.78M

Price effect on 4 books still in the name

Largest holder

$279.7M

Fidelity

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Fidelity7.7M$279.7M—Held
SR One Capital Management, LP5.04M$182.9M—Held
ENAVATE SCIENCES GP, LLC3.92M$142.3M—Held
NEA Management Company, LLC3.52M$127.9M—Held
FEDERATED HERMES, INC.2.72M$98.6M—Held
Fairmount Funds Management LLC2.21M$80.2M—Held
NVP ASSOCIATES, LLC1.84M$66.8M—Held
BlackRock, Inc.1.77M$64.2M—Held
Vanguard1.45M$52.8M—Held
NOVO HOLDINGS A/S1.45M$52.6M—Held
Polar Capital Holdings Plc1.06M$38.4M—Held
WELLINGTON MANAGEMENT GROUP LLP855.3K$31.1M—Held
Vivo Capital, LLC853.5K$31M—Held
EcoR1 Capital, LLC789.5K$28.7M—Held
ArrowMark Colorado Holdings LLC751.2K$27.3M—Held
Pivotal bioVenture Partners Investment Advisor LLC592K$21.5M—Held
GEODE CAPITAL MANAGEMENT, LLC588.4K$21.4M—Held
Rock Springs Capital Management LP502.1K$18.2M—Held
State Street438.3K$15.9M—Held
NEXTBio Capital Management LP322K$11.7M—Held
Point72 Asset Management, L.P.368.4K$9.21M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC213.2K$7.74M—Held
Balyasny Asset Management L.P.193.2K$7.01M—Held
Invesco Ltd.188K$6.83M—Held
Skandinaviska Enskilda Banken AB (publ)163.9K$5.95M—Held
NORTHERN TRUST CORP155.4K$5.64M—Held
VOLORIDGE INVESTMENT MANAGEMENT, LLC133.4K$4.85M—Held
GOLDMAN SACHS GROUP INC130.7K$4.75M—Held
MORGAN STANLEY128.3K$4.66M$1.25MAdded$2.69M
Eversept Partners, LP121K$4.39M—Held
SUPERSTRING CAPITAL MANAGEMENT LP83.4K$3.03M—Held
Icahn Capital78.2K$2.84M—Held
UBS Group AG69.5K$2.52M—Held
Bank of New York Mellon Corp51.8K$1.88M—Held
SCHRODER INVESTMENT MANAGEMENT GROUP50.6K$1.85M—Held
Nuveen, LLC50.9K$1.85M—Held
MILLENNIUM MANAGEMENT LLC49.2K$1.78M—Held
BANK OF AMERICA CORP /DE/47.2K$1.71M$209KAdded$1.38M
ALPS ADVISORS INC44.1K$1.6M—Held
BARCLAYS PLC34.4K$1.25M$322.8KAdded$740.4K
Swiss National Bank31.6K$1.15M—Held
Citadel24.5K$888.1K—Held
RHUMBLINE ADVISERS21.9K$796.9K—Held
JPMORGAN CHASE & CO21.7K$788.9K—Held
WELLS FARGO & COMPANY/MN21.2K$768K—Held
ALLIANCEBERNSTEIN L.P.18.4K$666.3K—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM15.7K$570.1K—Held
Squarepoint Ops LLC15.5K$564.3K—Held
TWO SIGMA INVESTMENTS, LP15.1K$548.3K—Held
VOYA INVESTMENT MANAGEMENT LLC14.7K$534.7K—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP13.7K$496.6K—Held
China Universal Asset Management Co., Ltd.13.3K$483.4K—Held
Legal & General Group Plc13K$473K—Held
DEUTSCHE BANK AG\12.8K$464.1K—Held
Creative Planning12.3K$445.6K—Held
XTX Topco Ltd12.2K$442.4K—Held
LOS ANGELES CAPITAL MANAGEMENT LLC14.4K$431.7K—Held
STATE OF WISCONSIN INVESTMENT BOARD10.2K$371.1K—Held
Voleon Capital Management LP10.2K$369.9K—Held
MetLife Investment Management, LLC10.1K$366.7K—Held
Schonfeld Strategic Advisors LLC9.13K$331.4K—Held
INTECH INVESTMENT MANAGEMENT LLC8.86K$321.8K—Held
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.8.78K$318.8K—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC8.4K$305K—Held
JANUS HENDERSON GROUP PLC7.9K$286.6K—Held
Mariner, LLC7.68K$278.7K—Held
VARCOV Co.7.33K$266.3K—Held
BNP PARIBAS FINANCIAL MARKETS7.14K$259.2K—Held
MARSHALL WACE, LLP7.1K$257.8K—Held
Virtus Investment Advisers, LLC6.55K$238K—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE6.26K$227.2K—Held
NEW YORK STATE COMMON RETIREMENT FUND6.2K$225.1K—Held
Brevan Howard Capital Management LP6.17K$224.1K—Held
PNC Financial Services Group, Inc.5.82K$211.5K—Held
ProShare Advisors LLC5.82K$211.3K—Held
Police & Firemen's Retirement System of New Jersey4.5K$163.4K—Held
KLP KAPITALFORVALTNING AS3.4K$123.5K—Held
STRS OHIO2.8K$101.7K—Held
Mirae Asset Global Investments Co., Ltd.2.61K$94.7K—Held
CITIGROUP INC2.35K$85.4K—Held
SIMPLEX TRADING, LLC1.97K$71.7K—Held
Ameritas Investment Partners, Inc.1.37K$49.7K—Held
Russell Investments Group, Ltd.1.34K$48.8K—Held
Sterling Capital Management LLC1.09K$39.5K—Held
GF FUND MANAGEMENT CO. LTD.1.05K$38.3K—Held
US BANCORP \DE\884$32.1K—Held
Tower Research Capital LLC (TRC)795$28.9K—Held
ROYAL BANK OF CANADA544$20K—Held
SIGNATUREFD, LLC389$14.1K—Held
PRICE T ROWE ASSOCIATES INC /MD/369.2K$13.4K—Held
GAMMA Investing LLC179$6.5K—Held
NISA INVESTMENT ADVISORS, LLC115$4.18K—Held
Torren Management, LLC95$3.45K—Held
J.Safra Asset Management Corp92$3.34K—Held
Farther Finance Advisors, LLC86$3.12K—Held
EverSource Wealth Advisors, LLC73$2.65K—Held
Physician Wealth Advisors, Inc.67$2.43K—Held
Allworth Financial LP47$1.71K—New
Aster Capital Management (DIFC) Ltd42$1.52K—Held
Cornerstone Financial Management LLC26$944—Held
Larson Financial Group LLC19$690—Held
IFP Advisors, Inc12$436—New
Sunbelt Securities, Inc.11$399—Held
Global Retirement Partners, LLC11$399—Held
GSA CAPITAL PARTNERS LLP8.96K$325—Held
SJS Investment Consulting Inc.7$255—Held
MAI Capital Management7$255—Held
SageView Advisory Group, LLC4$146—Held
Arax Advisory Partners4$145—Held
OSAIC HOLDINGS, INC.3$109—Held
True Wealth Design, LLC3$109—Held
Essential Partners LLC3$109$29Added$65
CWM, LLC2.18K$79—Held
Clearstead Advisors, LLC1$37—Held
ROTHSCHILD INVESTMENT LLC1$36—Held
Keating Financial Advisory Services, Inc.1$36—Held
AMALGAMATED BANK593$22—Held
Daiwa Securities Group Inc.179$6—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.