Ken Griffin’s Hologic HOLX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $82.4M | Buy |
1,090,660
+452,018
| +71% | +$34M | 0.01% | 947 |
|
|
2025
Q4 | $47.6M | Sell |
638,642
-2,357,977
| -79% | -$172M | 0.01% | 1462 |
|
|
2025
Q3 | $202M | Sell |
2,996,619
-712,328
| -19% | -$47.3M | 0.03% | 478 |
|
|
2025
Q2 | $242M | Buy |
3,708,947
+3,451,781
| +1,342% | +$207M | 0.04% | 346 |
|
|
2025
Q1 | $15.9M | Sell |
257,166
-128,488
| -33% | -$8.51M | ﹤0.01% | 2295 |
|
|
2024
Q4 | $27.8M | Buy |
385,654
+360,901
| +1,458% | +$28.2M | ﹤0.01% | 1816 |
|
|
2024
Q3 | $2.02M | Buy |
24,753
+22,373
| +940% | +$1.79M | ﹤0.01% | 5517 |
|
|
2024
Q2 | $177K | Sell |
2,380
-1,661,494
| -100% | -$125M | ﹤0.01% | 10106 |
|
|
2024
Q1 | $130M | Sell |
1,663,874
-1,373,780
| -45% | -$102M | 0.03% | 564 |
|
|
2023
Q4 | $217M | Sell |
3,037,654
-3,215,274
| -51% | -$224M | 0.04% | 323 |
|
|
2023
Q3 | $434M | Buy |
6,252,928
+5,016,651
| +406% | +$379M | 0.09% | 120 |
|
|
2023
Q2 | $100M | Buy |
1,236,277
+561,576
| +83% | +$45.9M | 0.02% | 610 |
|
|
2023
Q1 | $54.4M | Buy |
674,701
+70,854
| +12% | +$5.7M | 0.01% | 1005 |
|
|
2022
Q4 | $45.2M | Buy |
603,847
+346,142
| +134% | +$24.6M | 0.01% | 1202 |
|
|
2022
Q3 | $16.6M | Buy |
257,705
+253,906
| +6,683% | +$17.6M | ﹤0.01% | 2093 |
|
|
2022
Q2 | $263K | Buy |
+3,799
| New | +$282K | ﹤0.01% | 10115 |
|
|
2022
Q1 | – | Sell |
-813,208
| Closed | -$58.5M | – | 13997 |
|
|
2021
Q4 | $62.3M | Buy |
+813,208
| New | +$59.8M | 0.01% | 999 |
|
|
2021
Q3 | – | Sell |
-2,235,990
| Closed | -$168M | – | 14151 |
|
|
2021
Q2 | $149M | Buy |
2,235,990
+2,217,550
| +12,026% | +$148M | 0.03% | 466 |
|
|
2021
Q1 | $1.37M | Sell |
18,440
-637,977
| -97% | -$48.4M | ﹤0.01% | 7330 |
|
|
2020
Q4 | $47.8M | Buy |
656,417
+196,925
| +43% | +$13.9M | 0.01% | 973 |
|
|
2020
Q3 | $30.5M | Sell |
459,492
-4,666,122
| -91% | -$295M | 0.01% | 1206 |
|
|
2020
Q2 | $292M | Buy |
5,125,614
+2,093,680
| +69% | +$103M | 0.1% | 98 |
|
|
2020
Q1 | $106M | Buy |
3,031,934
+1,905,473
| +169% | +$90.7M | 0.05% | 315 |
|
|
2019
Q4 | $58.8M | Sell |
1,126,461
-456,795
| -29% | -$22.7M | 0.03% | 680 |
|
|
2019
Q3 | $79.9M | Buy |
1,583,256
+1,491,537
| +1,626% | +$73.4M | 0.04% | 499 |
|
|
2019
Q2 | $4.4M | Buy |
+91,719
| New | +$4.24M | ﹤0.01% | 3289 |
|
|
2018
Q4 | – | Sell |
-303,457
| Closed | -$12.4M | – | 9390 |
|
|
2018
Q3 | $12.4M | Buy |
303,457
+283,858
| +1,448% | +$11.5M | 0.01% | 1865 |
|
|
2018
Q2 | $779K | Sell |
19,599
-66,450
| -77% | -$2.56M | ﹤0.01% | 5636 |
|
|
2018
Q1 | $3.21M | Buy |
86,049
+8,369
| +11% | +$338K | ﹤0.01% | 3044 |
|
|
2017
Q4 | $3.32M | Sell |
77,680
-252,123
| -76% | -$10.1M | ﹤0.01% | 2977 |
|
|
2017
Q3 | $12.1M | Buy |
329,803
+158,875
| +93% | +$6.41M | 0.01% | 1438 |
|
|
2017
Q2 | $7.76M | Sell |
170,928
-381,893
| -69% | -$16.9M | 0.01% | 1674 |
|
|
2017
Q1 | $23.5M | Sell |
552,821
-461,811
| -46% | -$18.8M | 0.02% | 842 |
|
|
2016
Q4 | $40.7M | Sell |
1,014,632
-1,796,907
| -64% | -$69.3M | 0.04% | 467 |
|
|
2016
Q3 | $109M | Buy |
2,811,539
+1,689,428
| +151% | +$63.8M | 0.11% | 144 |
|
|
2016
Q2 | $38.8M | Buy |
1,122,111
+163,517
| +17% | +$5.66M | 0.04% | 451 |
|
|
2016
Q1 | $33.1M | Buy |
958,594
+793,508
| +481% | +$27.7M | 0.04% | 470 |
|
|
2015
Q4 | $6.39M | Sell |
165,086
-325,864
| -66% | -$12.7M | 0.01% | 1611 |
|
|
2015
Q3 | $19.2M | Buy |
490,950
+487,308
| +13,380% | +$19.3M | 0.02% | 938 |
|
|
2015
Q2 | $139K | Buy |
+3,642
| New | +$127K | ﹤0.01% | 6730 |
|
|
2015
Q1 | – | Sell |
-31,551
| Closed | -$968K | – | 8655 |
|
|
2014
Q4 | $844K | Sell |
31,551
-93,309
| -75% | -$2.41M | ﹤0.01% | 3980 |
|
|
2014
Q3 | $3.04M | Sell |
124,860
-1,657
| -1% | -$41.8K | ﹤0.01% | 2451 |
|
|
2014
Q2 | $3.21M | Buy |
126,517
+69,236
| +121% | +$1.62M | ﹤0.01% | 2257 |
|
|
2014
Q1 | $1.23M | Sell |
57,281
-289,088
| -83% | -$6.24M | ﹤0.01% | 3176 |
|
|
2013
Q4 | $7.74M | Sell |
346,369
-595,722
| -63% | -$13.1M | 0.01% | 1385 |
|
|
2013
Q3 | $19.5M | Buy |
942,091
+787,016
| +508% | +$16.8M | 0.03% | 728 |
|
|
2013
Q2 | $2.99M | Buy |
+155,075
| New | +$3.24M | 0.01% | 2062 |
|
Other funds holding HOLX
VCM
HI
VPM
Ken Griffin's HOLX Position: Q1 2026 in Review
Ken Griffin increased its Hologic (HOLX) stake by 71% in Q1 2026, buying an estimated $34M and bringing the position to 1,090,660 shares worth $82.4M. The position accounts for 0.01% of the portfolio, ranked #947.
Ken Griffin first reported a position in HOLX in Q2 2013 and has held it in 47 quarters since. The position peaked at $434M in Q3 2023. 704 funds tracked by Wall St. Rank hold HOLX as of Q1 2026.
- Ken Griffin held 1,090,660 shares of Hologic worth $82.4M as of Q1 2026.
- Ken Griffin bought 452,018 Hologic shares in Q1 2026, an estimated $34M.
- Hologic made up 0.01% of Ken Griffin's portfolio in Q1 2026, its #947 holding.
- Ken Griffin first reported a position in Hologic in Q2 2013 and has held it in 47 quarters since.
- Ken Griffin's Hologic position peaked at $434M in Q3 2023.
- 704 funds tracked by Wall St. Rank held Hologic as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.