Hologic
HOLX
HOLX was delisted on the 6th of April, 2026.
705 hedge funds and large institutions have $16.3B invested in Hologic in 2026 Q1 according to their latest regulatory filings, with 85 funds opening new positions, 261 increasing their positions, 227 reducing their positions, and 116 closing their positions.
85% more funds holding in top 10
Funds holding in top 10: 20 → 37 (+17)
15% more repeat investments, than reductions
Existing positions increased: 261 | Existing positions reduced: 227
2% more capital invested
Capital invested by funds: $16B → $16.3B (+$265M)
0.09% more ownership
Funds ownership: 96.36% → 96.45% (+0.09%)
6% less funds holding
Funds holding: 750 → 705 (-45)
27% less first-time investments, than exits
New positions opened: 85 | Existing positions closed: 116
80% less call options, than puts
Call options by funds: $30.9M | Put options by funds: $155M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCL
Glazer Capital LLC
New York
|
+$240M |
| 2 |
Balyasny Asset Management
Chicago,
Illinois
|
+$234M |
| 3 |
Fidelity International
Hamilton,
Bermuda
|
+$195M |
| 4 |
Millennium Management
New York
|
+$162M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$147M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Manulife (Manufacturers Life Insurance)
Canada,
Ontario, Canada
|
-$701M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$442M |
| 3 |
Victory Capital Management
San Antonio,
Texas
|
-$417M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$143M |
| 5 |
Renaissance Technologies
New York
|
-$98.6M |
HOLX Hedge Fund Activity: Q1 2026 in Review
705 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in Hologic (HOLX) for Q1 2026, worth a combined $16.3B — up 1.7% from $16B a quarter earlier.
Sellers outnumbered buyers: 116 funds closed out of HOLX and 85 opened new positions — a net loss of 31 holders — while 227 trimmed existing stakes and 261 added.
The largest buyer was Glazer Capital LLC, adding an estimated $240M. The largest seller was Manulife (Manufacturers Life Insurance), cutting an estimated $701M.
- 705 institutional investors held Hologic (HOLX) as of Q1 2026, down from 750 in Q4 2025.
- Funds reported $16.3B of Hologic stock for Q1 2026, up 1.7% quarter-over-quarter.
- 85 funds opened new Hologic positions in Q1 2026 and 116 closed out, a net change of -31 holders.
- The largest Hologic buyer in Q1 2026 was Glazer Capital LLC, an estimated $240M added.
- The largest Hologic seller in Q1 2026 was Manulife (Manufacturers Life Insurance), an estimated $701M sold.
Based on aggregated 13F filings for Q1 2026.