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Zenas BioPharma, Inc. hedge fund holdings

ZBIONASDAQ
$26.94-0.89 (-3.20% today)

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

ZBIO · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (+17.0%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20253014$21.2M$6.39M68Aug 14, 2025
Q3 20253222$51M$35.8M74Nov 14, 2025
Q4 20256524$327M$115M116Feb 14, 2026
Q1 20269040$347M$67.8M136May 15, 2026
Q2 20267848$155M$87.7M136Aug 14, 2026

Quarterly action breakdown

Q2 2026
136 filers
New position
25
$9.77M+385K sh
Increased
53
$145M+5.72M sh
Reduced
30
-$48.8M-1.92M sh
Out / sold
18
-$38.9M-1.53M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Silverarc Capital Management, LLCReduce 55.12%-$15.9M$12.9M1.34%Aug 13, 2026
Great Point Partners LLCSell 100%-$10.2M$00.00%Aug 14, 2026
Wellington Management Group LLPAdded 27.91%+$8.83M$40.5M0.01%Aug 14, 2026
Jefferies Financial Group Inc.Sell 100%-$4.3M$00.00%Aug 17, 2026
Vestal Point Capital, LPAdded 82.50%+$4.19M$9.26M0.22%Aug 14, 2026
Voleon Capital Management LPAdded 464.45%+$3.49M$4.24M0.08%Aug 14, 2026
Polar Capital Holdings PlcReduce 5.32%-$3.44M$61.2M0.14%Aug 14, 2026
SEB Asset Management ABSell 100%-$3.2M$00.00%Aug 4, 2026
Sio Capital Management, LLCReduce 37.13%-$3.13M$5.29M0.88%Aug 14, 2026
Pivotal bioVenture Partners Investment Advisor LLCReduce 17.10%-$2.57M$12.5M4.05%Aug 13, 2026
ArrowMark Colorado Holdings LLCReduce 12.99%-$2.17M$14.6M0.61%Aug 13, 2026
Capital International InvestorsAdded 2.83%+$1.75M$63.5M0.01%Aug 12, 2026
CSM Advisors, LLCNew Buy+$1.72M$1.72M0.04%Aug 14, 2026
Jennison Associates LLCAdded 25.62%+$1.63M$7.97M0.00%Aug 3, 2026
Voloridge Investment Management, LLCSell 100%-$1.51M$00.00%Aug 14, 2026
DAFNA Capital Management LLCSell 100%-$831K$00.00%Aug 14, 2026
J. Goldman & Co LPAdded 85.43%+$798K$1.73M0.04%Aug 14, 2026
Exome Asset Management LLCReduce 35.04%-$718K$1.33M0.82%Aug 14, 2026
DCF Advisers, LLCNew Buy+$715K$715K0.13%Aug 10, 2026
Schroder Investment Management GroupSell 100%-$614K$00.00%Aug 13, 2026
Birchview Capital, LPAdded 33.72%+$599K$2.38M1.11%Aug 14, 2026
Alps Advisors IncAdded 45.73%+$507K$1.62M0.01%Jul 29, 2026
Sphera Funds Management Ltd.Added 7.70%+$419K$5.86M0.76%Aug 14, 2026
Nordea Investment Management ABNew Buy+$383K$383K0.00%Aug 5, 2026
Quantinno Capital Management LPReduce 59.38%-$318K$218K0.00%Aug 13, 2026
Rafferty Asset Management, LLCReduce 22.13%-$271K$952K0.00%Aug 14, 2026
VARCOV Co.New Buy+$267K$267K0.10%Aug 14, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 93.79%+$253K$523K0.00%Aug 13, 2026
Virtus Investment Advisers, LLCAdded 146.02%+$249K$419K0.10%Aug 11, 2026
Fox Run Management, L.L.C.Sell 100%-$243K$00.00%Aug 4, 2026
Massachusetts Financial Services CoNew Buy+$230K$230K0.00%Aug 3, 2026
State of New Jersey Common Pension Fund DNew Buy+$218K$218K0.00%Aug 4, 2026
China Universal Asset Management Co., Ltd.Added 39.35%+$135K$478K0.03%Jul 24, 2026
KLP Kapitalforvaltning AsAdded 79.41%+$68.5K$155K0.00%Aug 12, 2026
Profund Advisors LLCReduce 12.04%-$65.4K$478K0.01%Aug 11, 2026
Tounjian Advisory Partners, LLCNew Buy+$63.5K$63.5K0.03%Aug 7, 2026
iA Global Asset Management Inc.Reduce 0.32%-$17.8K$5.46M0.06%Jul 29, 2026
Pacer Advisors, Inc.New Buy+$16K$16K0.00%Aug 13, 2026
Silver Grove Financial Group, Inc.New Buy+$13.7K$13.7K0.01%Aug 13, 2026
Bare Financial Services, IncAdded 578.57%+$2.06K$2.41K0.00%Jul 27, 2026
J.Safra Asset Management CorpReduce 17.04%-$1.17K$5.69K0.00%Aug 6, 2026
Allstate CorpAdded 0.10%+$457$463K0.00%Aug 13, 2026
Stone House Investment Management, LLCSell 100%-$98$00.00%Aug 5, 2026
Freestone Grove Partners LPNew Buy+$25$250.00%Aug 14, 2026
Hughes Financial Services, LLCNew Buy+$25$250.00%Jul 20, 2026

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