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Mustang Bio, Inc.

MBIO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001680048

No open-market purchases or sales by Mustang Bio, Inc. insiders were filed in the last 90 days; 23 institutions reported holding it in 13F filings for Q2 2026, worth $378.3K in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Mustang Bio, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
22
−2 vs. Q4 2025
Shares held
508.0K
+13.9K (+2.8%) vs. Q4 2025
Total value
$369.8K
−$115.3K (−23.8%) vs. Q4 2025
New holders
4
5 more added
Sold out
6
4 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MBIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 22 institutions
Q1 2021: 99 institutionsQ2 2021: 98 institutionsQ3 2021: 83 institutionsQ4 2021: 88 institutionsQ1 2022: 85 institutionsQ2 2022: 77 institutionsQ3 2022: 70 institutionsQ4 2022: 66 institutionsQ1 2023: 52 institutionsQ2 2023: 28 institutionsQ3 2023: 27 institutionsQ4 2023: 28 institutionsQ1 2024: 30 institutionsQ2 2024: 29 institutionsQ3 2024: 25 institutionsQ4 2024: 30 institutionsQ1 2025: 16 institutionsQ2 2025: 17 institutionsQ3 2025: 20 institutionsQ4 2025: 25 institutionsQ1 2026: 22 institutionsQ2 2026: 23 institutions
Value heldQ1 2026: $369.8K
Q1 2021: $80.6MQ2 2021: $85.9MQ3 2021: $71.8MQ4 2021: $46.4MQ1 2022: $25.3MQ2 2022: $10.3MQ3 2022: $6.80MQ4 2022: $4.71MQ1 2023: $3.62MQ2 2023: $3.94MQ3 2023: $1.22MQ4 2023: $1.40MQ1 2024: $773.1KQ2 2024: $372.6KQ3 2024: $207.2KQ4 2024: $826.5KQ1 2025: $142.3KQ2 2025: $70.9KQ3 2025: $426.5KQ4 2025: $541.9KQ1 2026: $369.8KQ2 2026: $378.3K
Institutions holding MBIO and their total value by quarter
QuarterHoldersValue
Q2 202623$378.3K
Q1 202622$369.8K
Q4 202525$541.9K
Q3 202520$426.5K
Q2 202517$70.9K
Q1 202516$142.3K
Q4 202430$826.5K
Q3 202425$207.2K
Q2 202429$372.6K
Q1 202430$773.1K
Q4 202328$1.40M
Q3 202327$1.22M
Q2 202328$3.94M
Q1 202352$3.62M
Q4 202266$4.71M
Q3 202270$6.80M
Q2 202277$10.3M
Q1 202285$25.3M
Q4 202188$46.4M
Q3 202183$71.8M
Q2 202198$85.9M
Q1 202199$80.6M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Mustang Bio, Inc.; share changes are against Q4 2025.

Institutions holding MBIO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Kestra Advisory Services, LLC176,042$128.2K0.00%+65,000+58.5%Added
Geode Capital Management, LLC92,790$67.5K0.00%+60,505+187.4%Added
BlackRock, Inc.84,745$61.7K0.00%00.0%Unchanged
Citadel Advisors LLC53,200$38.7K0.00%−31,565−37.2%Reduced
Vanguard Fiduciary Trust Co32,120$23.4K0.00%+32,120New
Vanguard Capital Management LLC25,704$18.7K0.00%+25,704New
CFO4Life Group, LLC20,461$14.9K0.00%+7,500+57.9%Added
Two Sigma Investments, LP16,754$12.2K0.00%−23,280−58.2%Reduced
UBS Group AG3,659$2.66K0.00%+3,615+8,215.9%Added
Tower Research Capital LLC (TRC)1,895$1.38K0.00%+959+102.5%Added
SBI Securities Co., Ltd.509$3710.00%−1,500−74.7%Reduced
Morgan Stanley118$860.00%−35−22.9%Reduced
Cullen/Frost Bankers, Inc.13$90.00%00.0%Unchanged
BNP Paribas Arbitrage, SA6$40.00%00.0%Unchanged
MAI Capital Management3$30.00%00.0%Unchanged
NBC Securities, Inc.3$20.00%00.0%Unchanged
JPMorgan Chase & Co2$10.00%00.0%Unchanged
Danske Bank A/S2$10.00%00.0%Unchanged
Group One Trading, L.P.1$10.00%00.0%Unchanged
CWM, LLC2$10.00%00.0%Unchanged
Citigroup Inc1$10.00%+1New
Advisor Group Holdings, Inc.2$10.00%+2New
DRW Securities, LLC0$00.00%−73,936−100.0%Sold out
XTX Topco Ltd0$00.00%−24,073−100.0%Sold out
Jane Street Group, LLC0$00.00%−14,126−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−12,834−100.0%Sold out
Harbour Investments, Inc.0$00.00%−76−100.0%Sold out
Bank of America Corp0$00.00%−54−100.0%Sold out
Vanguard Group Inc––––Not filed