ZENAS BIOPHARMA INC (ZBIO) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling ZBIO?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for ZENAS BIOPHARMA INC, showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on ZBIO?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ZENAS BIOPHARMA INC.

Is institutional money flowing into ZBIO?

17 institutional investors hold ZENAS BIOPHARMA INC (ZBIO). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about ZBIO?

Track institutional sentiment and conviction scores for ZENAS BIOPHARMA INC (ZBIO) including Smart Money Verdict and position changes on HoldingsIntel.

ZENAS BIOPHARMA INC

ZBIO·98937L105·US·equity·Healthcare - Biotechnology-Activist

ZBIO (ZENAS BIOPHARMA INC) is held by 17 institutional investors as of Q1 2026. Largest holders: FMR LLC ($177.6M), FEDERATED HERMES, INC. ($61.1M), Polar Capital Holdings Plc ($49.8M). Net institutional sentiment: Mixed.

Holders

Avg rating(8 Elite)

$20.4M

Total Value

59% (21)

Fund Consensus

10 buying - 7 selling

Smart Money Verdict

View all

70Positive MomentumStrong Convergence

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See how ZBIO's score breaks down across 4 SEC sources

Held by 17 funds

8 elite

Who's Trading

ActivistMLMOULDER LEON O JR

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	9.1M(+17.9%)	$177.6M	0.0%	—	36
FEDERATED HERMES, INC.	Increased	3.1M(+15.2%)	$61.1M	0.1%	—	34
Polar Capital Holdings Plc	Increased	2.5M(+141.0%)	$49.8M	0.2%	—	57
Capital International Investors	New	2.4M	$47.6M	0.0%	—	40
BlackRock, Inc.	Increased	2M(+15.3%)	$39.8M	0.0%	—	33
ALLIANCEBERNSTEIN L.P.	Increased	897,321(+4790.0%)	$32.6M	0.0%	—	47
STATE STREET CORP	Increased	1.5M(+235.6%)	$28.8M	0.0%	—	46
WELLINGTON MANAGEMENT GROUP LLP	Increased	1.2M(+45.7%)	$24.4M	0.0%	—	39
BALYASNY ASSET MANAGEMENT L.P.	Increased	667,070(+245.4%)	$13M	0.0%	—	45
GEODE CAPITAL MANAGEMENT, LLC	Increased	655,785(+11.4%)	$12.8M	0.0%	—	31
Woodline Partners LP	New	590,525	$11.5M	0.0%	—	39
MWMARSHALL WACE, LLP	Increased	501,928(+6969.4%)	$9.8M	0.0%	—	45
MILLENNIUM MANAGEMENT LLC	Increased	476,818(+869.9%)	$9.3M	0.0%	—	45
GOLDMAN SACHS GROUP INC	Increased	381,461(+191.9%)	$7.5M	0.0%	—	44
UBS Group AG	Increased	367,405(+428.7%)	$7.2M	0.0%	-14.27%	44
TWO SIGMA INVESTMENTS, LP	Increased	275,056(+1721.6%)	$5.4M	0.0%	—	44
JENNISON ASSOCIATES LLC	New	250,000	$4.9M	0.0%	-14.77%	37
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	224,402(+5.3%)	$4.4M	0.0%	—	28
Jefferies Financial Group Inc.	New	219,947	$4.3M	0.0%	-14.77%	37
NORTHERN TRUST CORP	Increased	194,640(+25.3%)	$3.8M	0.0%	—	33
Walleye Capital LLC	New	125,232	$2.4M	0.0%	—	36
Invesco Ltd.	Decreased	113,479(-39.6%)	$2.2M	0.0%	—	0
MORGAN STANLEY	Decreased	93,396(-27.2%)	$1.8M	0.0%	—	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Increased	85,005(+521.5%)	$1.7M	0.0%	—	41
VOLORIDGE INVESTMENT MANAGEMENT, LLC	Decreased	77,493(-41.9%)	$1.5M	0.0%	—	0
NUNuveen, LLC	Increased	67,770(+33.3%)	$1.3M	0.0%	-14.61%	33
CITADEL ADVISORS LLC	Increased	66,870(+173.4%)	$1.3M	0.0%	—	41
Bank of New York Mellon Corp	Increased	60,864(+17.5%)	$1.2M	0.0%	—	29
AQR CAPITAL MANAGEMENT LLC	Decreased	50,971(-34.8%)	$996,483	0.0%	—	0
Rafferty Asset Management, LLC	New	48,169	$941,704	0.0%	—	35
ALPS ADVISORS INC	Decreased	43,694(-0.9%)	$854,218	0.0%	-10.71%	0
Squarepoint Ops LLC	Increased	42,874(+175.9%)	$838,187	0.0%	—	40
Swiss National Bank	Unchanged	31,600	$617,780	0.0%	-41.33%	0
SCHRODER INVESTMENT MANAGEMENT GROUP	Decreased	33,697(-33.5%)	$614,128	0.0%	—	0
BARCLAYS PLC	Decreased	29,610(-13.9%)	$578,875	0.0%	—	0
JACOBS LEVY EQUITY MANAGEMENT, INC	New	27,532	$538,251	0.0%	—	34
RHUMBLINE ADVISERS	Increased	26,813(+22.2%)	$524,187	0.0%	—	29
JPMORGAN CHASE & CO	Increased	25,109(+15.6%)	$457,612	0.0%	—	19
Quantinno Capital Management LP	New	21,126	$413,013	0.0%	—	33
STATE OF WISCONSIN INVESTMENT BOARD	Increased	20,814(+103.6%)	$406,914	0.0%	—	38
XTX Topco Ltd	Increased	19,311(+58.5%)	$377,530	0.0%	—	34
$DEUTSCHE BANK AG\$ DEUTSCHE BANK AG\	Increased	19,266(+50.7%)	$376,650	0.0%	-4.26%	33
Schonfeld Strategic Advisors LLC	Increased	17,638(+93.3%)	$344,821	0.0%	—	37
Corient Private Wealth LLC	New	16,845	$329,320	0.0%	—	33
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	15,523(+84.8%)	$303,475	0.0%	—	36
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Increased	14,386(+63.9%)	$276,806	0.0%	—	34
MetLife Investment Management, LLC	Increased	12,909(+27.8%)	$252,371	0.0%	—	29
Creative Planning	Increased	12,658(+3.1%)	$247,464	0.0%	—	24
SEI INVESTMENTS CO	New	12,386	$242,142	0.0%	—	32
Legal & General Group Plc	Decreased	10,432(-19.9%)	$203,946	0.0%	-36.35%	0
BNP PARIBAS FINANCIAL MARKETS	Increased	9,999(+40.1%)	$195,480	0.0%	—	30
CITIGROUP INC	Increased	9,888(+320.6%)	$193,310	0.0%	—	37
WELLS FARGO & COMPANY/MN	Decreased	8,885(-58.0%)	$173,702	0.0%	—	0
ZKZurcher Kantonalbank (Zurich Cantonalbank)	New	6,777	$132,490	0.0%	—	31
Police & Firemen's Retirement System of New Jersey	Increased	6,363(+41.4%)	$124,397	0.0%	+56.27%	29
NEW YORK STATE COMMON RETIREMENT FUND	Unchanged	6,200	$121,210	0.0%	+162.67%	0
PNC FINANCIAL SERVICES GROUP, INC.	Decreased	4,767(-18.1%)	$93,195	0.0%	+70.69%	0
KLP KAPITALFORVALTNING AS	Unchanged	3,400	$66,470	0.0%	-41.33%	0
STRS OHIO	Unchanged	2,800	$54,740	0.0%	+138.71%	0
Mirae Asset Global Investments Co., Ltd.	Increased	2,800(+7.4%)	$54,740	0.0%	-40.05%	15
Russell Investments Group, Ltd.	Increased	2,721(+102.3%)	$53,210	0.0%	-6.29%	33
NISA INVESTMENT ADVISORS, LLC	Increased	2,415(+2000.0%)	$47,213	0.0%	-12.12%	33
$US BANCORP \DE\$ US BANCORP \DE\	Increased	994(+12.4%)	$19,433	0.0%	—	14
OSAIC HOLDINGS, INC.	Increased	677(+225x)	$13,234	0.0%	—	19
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	357,266(-3.2%)	$6,986	0.0%	—	0
GROUP ONE TRADING LLC	New	300	$5,865	0.0%	—	24
FIFTH THIRD BANCORP	New	107	$2,092	0.0%	-14.77%	18
Allworth Financial LP	Decreased	26(-44.7%)	$509	0.0%	—	0
HRT FINANCIAL LP	New	25,749	$503	0.0%	—	15
MAI Capital Management	Increased	12(+71.4%)	$235	0.0%	—	11
VOYA INVESTMENT MANAGEMENT LLC	Exited	0(-100.0%)	$534,664	0.0%	—	0
LOS ANGELES CAPITAL MANAGEMENT LLC	Exited	0(-100.0%)	$431,677	0.0%	-31.16%	0
JANUS HENDERSON GROUP PLC	Exited	0(-100.0%)	$286,573	0.0%	—	0
MANUFACTURERS LIFE INSURANCE COMPANY, THE	Exited	0(-100.0%)	$227,155	0.0%	—	0
Brevan Howard Capital Management LP	Exited	0(-100.0%)	$224,142	0.0%	—	0
INTECH INVESTMENT MANAGEMENT LLC	Exited	0(-100.0%)	$321,816	0.0%	-31.16%	0
Farther Finance Advisors, LLC	Exited	0(-100.0%)	$3,123	0.0%	-21.59%	0
SIMPLEX TRADING, LLC	Exited	0(-100.0%)	$71,675	0.0%	—	0
ROYAL BANK OF CANADA	Exited	0(-100.0%)	$20,000	0.0%	—	0
Mariner, LLC	Exited	0(-100.0%)	$278,718	0.0%	—	0
Skandinaviska Enskilda Banken AB (publ)	Exited	0(-100.0%)	$5.9M	0.0%	—	0
ProShare Advisors LLC	Exited	0(-100.0%)	$211,325	0.0%	-31.16%	0
Point72 Asset Management, L.P.	Exited	0(-100.0%)	$9.2M	0.0%	—	0

ZENAS BIOPHARMA INC

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