Hologic
HOLX
HOLX was delisted on the 6th of April, 2026.
678 hedge funds and large institutions have $18B invested in Hologic in 2021 Q4 according to their latest regulatory filings, with 98 funds opening new positions, 212 increasing their positions, 264 reducing their positions, and 55 closing their positions.
78% more first-time investments, than exits
New positions opened: 98 | Existing positions closed: 55
38% more call options, than puts
Call options by funds: $84.8M | Put options by funds: $61.7M
5% more funds holding
Funds holding: 644 → 678 (+34)
3% more capital invested
Capital invested by funds: $17.5B → $18B (+$502M)
0.05% more ownership
Funds ownership: 93.48% → 93.53% (+0.05%)
20% less repeat investments, than reductions
Existing positions increased: 212 | Existing positions reduced: 264
67% less funds holding in top 10
Funds holding in top 10: 6 → 2 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TD Asset Management
Toronto,
Ontario, Canada
|
+$86.1M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$59.8M |
| 3 |
DZ Bank
Frankfurt Am Main,
Germany
|
+$49.5M |
| 4 |
Morgan Stanley
New York
|
+$49M |
| 5 |
Renaissance Technologies
New York
|
+$45M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$308M |
| 2 |
Mawer Investment Management
Calgary,
Alberta, Canada
|
-$62.1M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$47.8M |
| 4 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$45.8M |
| 5 |
AC
Armistice Capital
New York
|
-$35.3M |
HOLX Hedge Fund Activity: Q4 2021 in Review
678 of the 6,520 institutional investors tracked by Wall St. Rank reported a position in Hologic (HOLX) for Q4 2021, worth a combined $18B — up 2.9% from $17.5B a quarter earlier.
Buyers outnumbered sellers: 98 funds opened new HOLX positions and 55 closed out — a net gain of 43 holders — while 212 added to existing stakes and 264 trimmed.
The largest buyer was TD Asset Management, adding an estimated $86.1M. The largest seller was Fidelity Investments, cutting an estimated $308M.
- 678 institutional investors held Hologic (HOLX) as of Q4 2021, up from 644 in Q3 2021.
- Funds reported $18B of Hologic stock for Q4 2021, up 2.9% quarter-over-quarter.
- 98 funds opened new Hologic positions in Q4 2021 and 55 closed out, a net change of +43 holders.
- The largest Hologic buyer in Q4 2021 was TD Asset Management, an estimated $86.1M added.
- The largest Hologic seller in Q4 2021 was Fidelity Investments, an estimated $308M sold.
Based on aggregated 13F filings for Q4 2021.