Hologic
HOLX
HOLX was delisted on the 6th of April, 2026.
520 hedge funds and large institutions have $13.1B invested in Hologic in 2019 Q4 according to their latest regulatory filings, with 78 funds opening new positions, 189 increasing their positions, 168 reducing their positions, and 40 closing their positions.
95% more first-time investments, than exits
New positions opened: 78 | Existing positions closed: 40
46% more call options, than puts
Call options by funds: $76.9M | Put options by funds: $52.5M
13% more repeat investments, than reductions
Existing positions increased: 189 | Existing positions reduced: 168
5% more funds holding
Funds holding: 493 → 520 (+27)
2% more capital invested
Capital invested by funds: $12.9B → $13.1B (+$202M)
2.02% less ownership
Funds ownership: 95.49% → 93.47% (-2%)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MWNA
Marshall Wace North America
New York
|
+$98.3M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$96M |
| 3 |
GCM
Glenview Capital Management
New York
|
+$92.4M |
| 4 |
BlackRock
New York
|
+$86.4M |
| 5 |
HM
HealthCor Management
New York
|
+$82.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
-$542M |
| 2 |
Parnassus Investments
San Francisco,
California
|
-$482M |
| 3 |
Capital International Investors
Los Angeles,
California
|
-$191M |
| 4 |
AAMU
Amundi Asset Management US
Boston,
Massachusetts
|
-$25.6M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$22.7M |
HOLX Hedge Fund Activity: Q4 2019 in Review
520 of the 5,076 institutional investors tracked by Wall St. Rank reported a position in Hologic (HOLX) for Q4 2019, worth a combined $13.1B — up 1.6% from $12.9B a quarter earlier.
Buyers outnumbered sellers: 78 funds opened new HOLX positions and 40 closed out — a net gain of 38 holders — while 189 added to existing stakes and 168 trimmed.
The largest buyer was Marshall Wace North America, adding an estimated $98.3M. The largest seller was Capital World Investors, exiting entirely with an estimated $542M sold.
- 520 institutional investors held Hologic (HOLX) as of Q4 2019, up from 493 in Q3 2019.
- Funds reported $13.1B of Hologic stock for Q4 2019, up 1.6% quarter-over-quarter.
- 78 funds opened new Hologic positions in Q4 2019 and 40 closed out, a net change of +38 holders.
- The largest Hologic buyer in Q4 2019 was Marshall Wace North America, an estimated $98.3M added.
- The largest Hologic seller in Q4 2019 was Capital World Investors, an estimated $542M sold.
Based on aggregated 13F filings for Q4 2019.