Parnassus Investments’s Hologic HOLX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-726,871
Closed -$44.9M 153
2025
Q1
$44.9M Sell
726,871
-336,550
-32% -$22.3M 0.11% 96
2024
Q4
$76.7M Sell
1,063,421
-105,328
-9% -$8.23M 0.17% 85
2024
Q3
$95.2M Sell
1,168,749
-105,080
-8% -$8.4M 0.2% 69
2024
Q2
$94.6M Sell
1,273,829
-150,332
-11% -$11.3M 0.21% 66
2024
Q1
$111M Sell
1,424,161
-1,471,258
-51% -$109M 0.24% 63
2023
Q4
$207M Sell
2,895,419
-344,564
-11% -$24M 0.46% 44
2023
Q3
$225M Sell
3,239,983
-546,444
-14% -$41.3M 0.55% 42
2023
Q2
$307M Hold
3,786,427
0.71% 39
2023
Q1
$306M Hold
3,786,427
0.76% 39
2022
Q4
$283M Buy
3,786,427
+33,494
+0.9% +$2.39M 0.7% 39
2022
Q3
$242M Hold
3,752,933
0.63% 42
2022
Q2
$260M Sell
3,752,933
-516,881
-12% -$38.4M 0.62% 43
2022
Q1
$328M Hold
4,269,814
0.66% 42
2021
Q4
$327M Buy
4,269,814
+127,015
+3% +$9.34M 0.63% 44
2021
Q3
$306M Buy
4,142,799
+26,894
+0.7% +$2.02M 0.64% 42
2021
Q2
$275M Buy
4,115,905
+1,070,128
+35% +$71.5M 0.6% 44
2021
Q1
$227M Buy
3,045,777
+215,605
+8% +$16.4M 0.55% 49
2020
Q4
$206M Sell
2,830,172
-448,545
-14% -$31.7M 0.56% 45
2020
Q3
$218M Sell
3,278,717
-495,807
-13% -$31.4M 0.68% 41
2020
Q2
$215M Buy
3,774,524
+63,781
+2% +$3.13M 0.74% 38
2020
Q1
$130M Sell
3,710,743
-2,427,882
-40% -$116M 0.54% 47
2019
Q4
$320M Sell
6,138,625
-9,687,247
-61% -$482M 1.08% 38
2019
Q3
$799M Buy
15,825,872
+300,090
+2% +$14.8M 2.9% 3
2019
Q2
$746M Sell
15,525,782
-114,613
-0.7% -$5.3M 2.82% 6
2019
Q1
$757M Buy
15,640,395
+100,833
+0.6% +$4.55M 2.99% 6
2018
Q4
$639M Sell
15,539,562
-796,765
-5% -$32.7M 2.78% 10
2018
Q3
$669M Buy
16,336,327
+94,993
+0.6% +$3.84M 2.56% 11
2018
Q2
$646M Buy
16,241,334
+535,745
+3% +$20.6M 2.57% 10
2018
Q1
$587M Buy
15,705,589
+1,464,714
+10% +$59.2M 2.37% 15
2017
Q4
$609M Buy
14,240,875
+6,689,454
+89% +$267M 2.39% 13
2017
Q3
$277M Buy
+7,551,421
New +$305M 1.14% 36

Other funds holding HOLX

Parnassus Investments's HOLX Position: Q2 2025 in Review

Parnassus Investments sold out of Hologic (HOLX) in Q2 2025, closing a stake of 726,871 shares — an estimated $44.9M sold.

Parnassus Investments first reported a position in HOLX in Q3 2017 and held it in 31 quarters. The position peaked at $799M in Q3 2019. 693 funds tracked by Wall St. Rank hold HOLX as of Q2 2025.

  • Parnassus Investments reported no remaining Hologic position as of Q2 2025 after selling out during the quarter.
  • Parnassus Investments sold 726,871 Hologic shares in Q2 2025, an estimated $44.9M.
  • Parnassus Investments first reported a position in Hologic in Q3 2017 and held it in 31 quarters.
  • Parnassus Investments's Hologic position peaked at $799M in Q3 2019.
  • 693 funds tracked by Wall St. Rank held Hologic as of Q2 2025.

Based on Parnassus Investments's 13F filing for Q2 2025, filed 6 Aug 2025.