William Blair & Company
IMGN

William Blair & Company’s Immunogen Inc IMGN Stock Holding History

William Blair & Company’s Portfolio IMGN Stock Details IMGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q1 		– Sell
-130,723
Closed -$3.88M – 1867
2023
Q4 		$3.88M Sell
130,723
-123,597
-49% -$2.46M 0.01% 520
2023
Q3 		$4.04M Sell
254,320
-1,685
-0.7% -$28K 0.02% 485
2023
Q2 		$4.83M Sell
256,005
-323,590
-56% -$3.82M 0.02% 460
2023
Q1 		$2.23M Buy
579,595
+235,000
+68% +$1M 0.01% 632
2022
Q4 		$1.71M Buy
344,595
+77,750
+29% +$422K 0.01% 674
2022
Q3 		$1.28M Buy
266,845
+400
+0.2% +$2.11K 0.01% 740
2022
Q2 		$1.2M Sell
266,445
-271,965
-51% -$1.18M 0.01% 783
2022
Q1 		$2.56M Buy
538,410
+2,925
+0.5% +$16.2K 0.01% 631
2021
Q4 		$3.97M Buy
535,485
+19,885
+4% +$124K 0.01% 535
2021
Q3 		$2.92M Buy
515,600
+691
+0.1% +$3.99K 0.01% 600
2021
Q2 		$3.39M Sell
514,909
-891
-0.2% -$6.22K 0.01% 556
2021
Q1 		$4.18M Buy
515,800
+305,400
+145% +$2.49M 0.02% 493
2020
Q4 		$1.36M Buy
210,400
+41,030
+24% +$239K 0.01% 762
2020
Q3 		$610K Buy
169,370
+1,100
+0.7% +$4.44K ﹤0.01% 913
2020
Q2 		$774K Buy
168,270
+2,412
+1% +$10.3K ﹤0.01% 802
2020
Q1 		$566K Sell
165,858
-11,798
-7% -$51.6K ﹤0.01% 833
2019
Q4 		$907K Buy
177,656
+3,957
+2% +$13.4K ﹤0.01% 807
2019
Q3 		$420K Buy
173,699
+7,100
+4% +$18.9K ﹤0.01% 1003
2019
Q2 		$362K Buy
166,599
+91,692
+122% +$217K ﹤0.01% 1092
2019
Q1 		$419K Buy
74,907
+9,434
+14% +$40.9K ﹤0.01% 1019
2018
Q4 		$366K Buy
+65,473
New +$397K ﹤0.01% 1015
2015
Q1 		– Sell
-17,571
Closed -$106K – 2203
2014
Q4 		$106K Sell
17,571
-6,013
-25% -$55K ﹤0.01% 2018
2014
Q3 		$250K Buy
23,584
+2,000
+9% +$22.6K ﹤0.01% 1902
2014
Q2 		$255K Sell
21,584
-562
-3% -$7.05K ﹤0.01% 1863
2014
Q1 		$330K Sell
22,146
-2,000
-8% -$31.5K ﹤0.01% 1735
2013
Q4 		$354K Sell
24,146
-1,409
-6% -$21.7K ﹤0.01% 1695
2013
Q3 		$434K Buy
25,555
+555
+2% +$9.76K ﹤0.01% 1597
2013
Q2 		$414K Buy
+25,000
New +$405K ﹤0.01% 1557

Other funds holding IMGN

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
MG
Mather Group Chicago, Illinois $10B AUM 15.14% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

William Blair & Company's IMGN Position: Q1 2024 in Review

William Blair & Company sold out of Immunogen Inc (IMGN) in Q1 2024, closing a stake of 130,723 shares — an estimated $3.88M sold.

William Blair & Company first reported a position in IMGN in Q2 2013 and held it in 28 quarters. The position peaked at $4.83M in Q2 2023. 3 funds tracked by Wall St. Rank hold IMGN as of Q1 2024.

  • William Blair & Company reported no remaining Immunogen Inc position as of Q1 2024 after selling out during the quarter.
  • William Blair & Company sold 130,723 Immunogen Inc shares in Q1 2024, an estimated $3.88M.
  • William Blair & Company first reported a position in Immunogen Inc in Q2 2013 and held it in 28 quarters.
  • William Blair & Company's Immunogen Inc position peaked at $4.83M in Q2 2023.
  • 3 funds tracked by Wall St. Rank held Immunogen Inc as of Q1 2024.

Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.