Vanguard Group’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2024
Q2
Sell
-620,847
Closed -$9.17M 4520
2024
Q1
$9.17M Buy
620,847
+11,893
+2% +$167K ﹤0.01% 3009
2023
Q4
$8.17M Buy
608,954
+8,610
+1% +$109K ﹤0.01% 3066
2023
Q3
$7.4M Buy
600,344
+43,546
+8% +$527K ﹤0.01% 3069
2023
Q2
$6.85M Buy
556,798
+98,277
+21% +$1.23M ﹤0.01% 3156
2023
Q1
$5.64M Sell
458,521
-129,500
-22% -$1.52M ﹤0.01% 3244
2022
Q4
$6.74M Sell
588,021
-19,783
-3% -$163K ﹤0.01% 3154
2022
Q3
$2.28M Sell
607,804
-400
-0.1% -$1.85K ﹤0.01% 3692
2022
Q2
$3.62M Hold
608,204
﹤0.01% 3537
2022
Q1
$3.85M Sell
608,204
-8,644
-1% -$48.6K ﹤0.01% 3652
2021
Q4
$2.41M Sell
616,848
-1,761
-0.3% -$7.64K ﹤0.01% 3974
2021
Q3
$2.99M Hold
618,609
﹤0.01% 3915
2021
Q2
$3.95M Hold
618,609
﹤0.01% 3709
2021
Q1
$3.88M Buy
618,609
+27,987
+5% +$200K ﹤0.01% 3657
2020
Q4
$4.07M Buy
590,622
+87,595
+17% +$432K ﹤0.01% 3447
2020
Q3
$2.01M Hold
503,027
﹤0.01% 3482
2020
Q2
$1.68M Hold
503,027
﹤0.01% 3480
2020
Q1
$1.08M Hold
503,027
﹤0.01% 3467
2019
Q4
$1.58M Buy
503,027
+8,000
+2% +$32K ﹤0.01% 3515
2019
Q3
$2.22M Buy
495,027
+15,847
+3% +$79.2K ﹤0.01% 3420
2019
Q2
$2.28M Buy
479,180
+193,294
+68% +$916K ﹤0.01% 3438
2019
Q1
$1.56M Buy
285,886
+7,846
+3% +$36.1K ﹤0.01% 3519
2018
Q4
$844K Sell
278,040
-416,729
-60% -$1.45M ﹤0.01% 3614
2018
Q3
$2.91M Sell
694,769
-7,906
-1% -$33.3K ﹤0.01% 3409
2018
Q2
$2.71M Sell
702,675
-57,904
-8% -$384K ﹤0.01% 3407
2018
Q1
$4.82M Sell
760,579
-70,567
-8% -$584K ﹤0.01% 3168
2017
Q4
$6.7M Buy
831,146
+54,569
+7% +$509K ﹤0.01% 3016
2017
Q3
$8.88M Sell
776,577
-88,451
-10% -$930K ﹤0.01% 2867
2017
Q2
$8.44M Sell
865,028
-439,749
-34% -$8.98M ﹤0.01% 2857
2017
Q1
$31.6M Buy
1,304,777
+136,101
+12% +$3.41M ﹤0.01% 2215
2016
Q4
$37.5M Buy
1,168,676
+23,806
+2% +$1.02M ﹤0.01% 2113
2016
Q3
$57.2M Sell
1,144,870
-151,094
-12% -$6.27M ﹤0.01% 1869
2016
Q2
$55M Buy
1,295,964
+121,785
+10% +$6.63M ﹤0.01% 1858
2016
Q1
$77.3M Sell
1,174,179
-136,634
-10% -$7.13M 0.01% 1642
2015
Q4
$81.5M Buy
1,310,813
+69,474
+6% +$4.89M 0.01% 1601
2015
Q3
$83.1M Buy
1,241,339
+49,232
+4% +$4.02M 0.01% 1565
2015
Q2
$116M Buy
1,192,107
+85,440
+8% +$8.13M 0.01% 1422
2015
Q1
$103M Buy
1,106,667
+265,719
+32% +$22.6M 0.01% 1473
2014
Q4
$74.8M Buy
840,948
+126,622
+18% +$9.22M 0.01% 1615
2014
Q3
$49.3M Buy
714,326
+28,420
+4% +$1.52M ﹤0.01% 1794
2014
Q2
$39.3M Buy
685,906
+16,009
+2% +$813K ﹤0.01% 1947
2014
Q1
$26.6M Buy
669,897
+36,976
+6% +$1.58M ﹤0.01% 2095
2013
Q4
$26.6M Buy
632,921
+35,999
+6% +$1.04M ﹤0.01% 2062
2013
Q3
$17.8M Buy
596,922
+119,085
+25% +$4.17M ﹤0.01% 2154
2013
Q2
$25.3M Buy
+477,837
New +$20.9M ﹤0.01% 1988

Other funds holding MACK

Vanguard Group's MACK Position: Q2 2024 in Review

Vanguard Group sold out of Merrimack Pharmaceuticals, Inc. (MACK) in Q2 2024, closing a stake of 620,847 shares — an estimated $9.17M sold.

Vanguard Group first reported a position in MACK in Q2 2013 and held it in 44 quarters. The position peaked at $116M in Q2 2015. 12 funds tracked by Wall St. Rank hold MACK as of Q2 2024.

  • Vanguard Group reported no remaining Merrimack Pharmaceuticals, Inc. position as of Q2 2024 after selling out during the quarter.
  • Vanguard Group sold 620,847 Merrimack Pharmaceuticals, Inc. shares in Q2 2024, an estimated $9.17M.
  • Vanguard Group first reported a position in Merrimack Pharmaceuticals, Inc. in Q2 2013 and held it in 44 quarters.
  • Vanguard Group's Merrimack Pharmaceuticals, Inc. position peaked at $116M in Q2 2015.
  • 12 funds tracked by Wall St. Rank held Merrimack Pharmaceuticals, Inc. as of Q2 2024.

Based on Vanguard Group's 13F filing for Q2 2024, filed 13 Aug 2024.