13FBOX
ZENAS BIOPHARMA INC · 13F Institutional Holdings
Options Calculator Rankings
Z

ZENAS BIOPHARMA INC

ZBIO
Institutions
148
Combined AUM (Q2 2026)
$1.50B
Combined Shares (Q2 2026)
59.2M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+7.0M
93 · 31 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-3.5M
64 · 23 Exit · ≈
⚖️ Net
+3.5M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.50B
Institutions
148
New Buys
31
Adds
62
Reduces
41
Exits
23
Unchanged
14
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
FMR LLC
0.01%0.01%#40$241.3M9.5M$177.6M9.1M+424,701+4.68%Add
SR ONE CAPITAL MANAGEMENT, LP
12.31%10.76%#3$127.9M5.0M$98.5M5.0M00.00%Unchanged
NEA Management Company, LLC
6.43%4.47%#4$102.1M4.0M$78.7M4.0M00.00%Unchanged
Enavate Sciences GP, LLC
28.8%21.8%#1$99.5M3.9M$76.6M3.9M00.00%Unchanged
FEDERATED HERMES, INC.
0.11%0.1%#20$79.1M3.1M$61.1M3.1M-10,226-0.33%Reduce
BlackRock, Inc.
<0.01%<0.01%#70$68.2M2.7M$39.8M2.0M+648,677+31.84%Add
Capital International Investors
0.01%0.01%#38$63.5M2.5M$47.6M2.4M+68,912+2.83%Add
Polar Capital Holdings Plc
0.14%0.18%#18$61.2M2.4M$49.8M2.5M-135,672-5.32%Reduce
Fairmount Funds Management LLC
3.96%3.33%#7$59.9M2.4M$46.1M2.4M00.00%Unchanged
STATE STREET CORP
<0.01%<0.01%#64$52.2M2.1M$28.8M1.5M+584,177+39.71%Add
NVP Associates, LLC
14.22%20.4%#2$46.7M1.8M$35.9M1.8M00.00%Unchanged
WELLINGTON MANAGEMENT GROUP LLP
0.01%<0.01%#46$40.5M1.6M$24.4M1.2M+347,766+27.91%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#74$34.4M1.4M$24.3M1.2M+109,473+8.79%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#58$31.2M1.2M$7.6M388,347+842,812+217.03%Add
PRICE T ROWE ASSOCIATES INC /MD/
<0.01%<0.01%#54$31.1M1.2M$7.0M357,266+869,662+243.42%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#68$22.4M882,654$12.8M655,785+226,869+34.60%Add
ALLIANCEBERNSTEIN L.P.
0.01%0.01%#45$21.6M1.1M$32.6M897,321+206,067+22.96%Add
TWO SIGMA INVESTMENTS, LP
0.01%<0.01%#35$20.7M815,150$5.4M275,056+540,094+196.36%Add
EcoR1 Capital, LLC
0.97%0.66%#10$20.0M789,500$15.4M789,50000.00%Unchanged
MILLENNIUM MANAGEMENT LLC
0.01%<0.01%#48$16.8M660,470$9.3M476,818+183,652+38.52%Add
Woodline Partners LP
0.05%0.04%#27$15.0M590,539$11.5M590,525+14+0.00%Add
BALYASNY ASSET MANAGEMENT L.P.
0.02%0.02%#34$14.6M576,717$13.0M667,070-90,353-13.54%Reduce
ArrowMark Colorado Holdings LLC
0.61%0.34%#15$14.6M573,318$12.9M658,909-85,591-12.99%Reduce
SILVERARC CAPITAL MANAGEMENT, LLC
1.34%2.27%#8$12.9M509,789$22.2M1.1M-626,146-55.12%Reduce
Rock Springs Capital Management LP
0.62%0.58%#14$12.7M502,077$9.8M502,07700.00%Unchanged
Pivotal bioVenture Partners Investment Advisor LLC
4.05%4.14%#6$12.5M490,766$11.6M591,991-101,225-17.10%Reduce
NEXTBio Capital Management LP
4.98%3.87%#5$10.8M426,736$8.3M426,73600.00%Unchanged
Vestal Point Capital, LP
0.22%0.11%#16$9.3M365,000$3.9M200,000+165,000+82.50%Add
MARSHALL WACE, LLP
0.01%0.01%#47$8.2M323,442$9.8M501,928-178,486-35.56%Reduce
JENNISON ASSOCIATES LLC
<0.01%<0.01%#49$8.0M314,049$4.9M250,000+64,049+25.62%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#94$7.7M304,870$4.9M251,410+53,460+21.26%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#69$7.7M302,085$4.4M224,402+77,683+34.62%Add
NORTHERN TRUST CORP
<0.01%<0.01%#71$7.1M281,140$3.8M194,640+86,500+44.44%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#79$6.9M271,163$7.5M381,461-110,298-28.91%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#65$6.5M254,623$3.5M179,388+75,235+41.94%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#86$6.2M245,100$5.2M266,005-20,905-7.86%Reduce
SPHERA FUNDS MANAGEMENT LTD.
0.77%0.67%#13$5.9M230,834$4.2M214,334+16,500+7.70%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#77$5.8M226,680$2.5M127,670+99,010+77.55%Add
iA Global Asset Management Inc.
0.06%0.06%#26$5.5M215,130$4.2M215,830-700-0.32%Reduce
Walleye Capital LLC
0.02%0.01%#33$5.3M209,050$2.4M125,232+83,818+66.93%Add
Sio Capital Management, LLC
0.88%0.93%#11$5.3M208,557$6.5M331,730-123,173-37.13%Reduce
UBS Group AG
<0.01%<0.01%#80$4.5M178,089$7.2M367,405-189,316-51.53%Reduce
Voleon Capital Management LP
0.08%0.01%#25$4.2M167,145$578,91529,612+137,533+464.45%Add
BNP PARIBAS FINANCIAL MARKETS
<0.01%<0.01%#61$3.8M151,086$195,4809,999+141,087+1,411.01%Add
MORGAN STANLEY
<0.01%<0.01%#110$3.4M134,979$2.0M88,733+46,246+52.12%Add
Squarepoint Ops LLC
<0.01%<0.01%#53$3.2M125,185$838,18742,874+82,311+191.98%Add
BARCLAYS PLC
<0.01%<0.01%#81$2.9M115,965$578,87529,610+86,355+291.64%Add
SEVEN GRAND MANAGERS, LLC
0.1%0.13%#21$2.5M100,000$2.0M100,00000.00%Unchanged
Birchview Capital, LP
1.07%0.78%#9$2.4M93,601$1.4M70,000+23,601+33.72%Add
Verition Fund Management LLC
<0.01%#55$1.9M72,988$00+72,988New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow