Citigroup
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Citigroup’s Mustang Bio MBIO Stock Holding History

Citigroup’s Portfolio MBIO Stock Details MBIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-1
Closed -$1 – 6045
2026
Q1 		$1 Buy
+1
New +$1 ﹤0.01% 5863
2025
Q4 		– Sell
-602
Closed -$915 – 6291
2025
Q3 		$915 Sell
602
-404
-40% -$718 ﹤0.01% 5637
2025
Q2 		$961 Buy
+1,006
New +$1.22K ﹤0.01% 5405
2025
Q1 		– Sell
-513
Closed -$4.54K – 5799
2024
Q4 		$4.54K Buy
+513
New +$5.66K ﹤0.01% 5474
2023
Q1 		– Hold
0
– -$34 – 5714
2022
Q4 		– Sell
-2
Closed -$683 – 5683
2022
Q3 		$1K Sell
2
-2
-50% -$927 ﹤0.01% 5649
2022
Q2 		$2K Sell
4
-3
-43% -$1.66K ﹤0.01% 5896
2022
Q1 		$5K Sell
7
-22
-76% -$18.1K ﹤0.01% 5822
2021
Q4 		$37K Buy
29
+18
+164% +$29.1K ﹤0.01% 5203
2021
Q3 		$22K Sell
11
-16
-59% -$34.4K ﹤0.01% 5197
2021
Q2 		$67K Buy
27
+22
+440% +$53.9K ﹤0.01% 4677
2021
Q1 		$11K Sell
5
-8
-62% -$23.8K ﹤0.01% 5586
2020
Q4 		$36K Buy
13
+11
+550% +$26.3K ﹤0.01% 6269
2020
Q3 		$5K Sell
2
-3
-60% -$7.39K ﹤0.01% 7024
2020
Q2 		$12K Sell
5
-6
-55% -$14K ﹤0.01% 6954
2020
Q1 		$21K Buy
11
+3
+38% +$7.69K ﹤0.01% 6659
2019
Q4 		$24K Buy
8
+5
+167% +$11.4K ﹤0.01% 6843
2019
Q3 		$8K Sell
3
-7
-70% -$19.1K ﹤0.01% 7173
2019
Q2 		$29K Buy
10
+4
+67% +$11.4K ﹤0.01% 6888
2019
Q1 		$15K Hold
6
– – ﹤0.01% 7093
2018
Q4 		$12K Hold
6
– – ﹤0.01% 7090
2018
Q3 		$26K Buy
6
+2
+50% +$10K ﹤0.01% 6960
2018
Q2 		$20K Buy
+4
New +$25.3K ﹤0.01% 6915

Other funds holding MBIO

KAS
Kestra Advisory Services Austin, Texas $31B AUM 28.39% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
CG
CFO4Life Group Coppell, Texas $743M AUM 25.26% 1-Year Est. Return
VF
Virtu Financial New York $3.18B AUM 65.92% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
CFB
Cullen/Frost Bankers San Antonio, Texas $10.1B AUM 29.18% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

Citigroup's MBIO Position: Q2 2026 in Review

Citigroup sold out of Mustang Bio (MBIO) in Q2 2026, closing a stake of 1 share — an estimated $1 sold.

Citigroup first reported a position in MBIO in Q2 2018 and held it in 22 quarters. The position peaked at $67K in Q2 2021. 13 funds tracked by Wall St. Rank hold MBIO as of Q2 2026.

  • Citigroup reported no remaining Mustang Bio position as of Q2 2026 after selling out during the quarter.
  • Citigroup sold 1 Mustang Bio share in Q2 2026, an estimated $1.
  • Citigroup first reported a position in Mustang Bio in Q2 2018 and held it in 22 quarters.
  • Citigroup's Mustang Bio position peaked at $67K in Q2 2021.
  • 13 funds tracked by Wall St. Rank held Mustang Bio as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.