Follow-The-Filings

Security

HOLX

Hologic Inc. · COM

Equity holders as of 2026 Q1 (each manager’s latest book)

14 owners 1 new 3 exits max 1.7% (Davidson Kempner Capital ...)

grid → activity →
owners 14
max % 1.7%
tracked value $3.4B
qoq N 1 A 6 R 5 E 3

holders

sorted by % of portfolio · long equity only · exits show last held size

manager % port activity shares value history
Davidson Kempner Capital Management LP 2026 Q1 1.7% New 1.7% 1,619,115 $122M hist
George Soros - Soros Fund Management LLC 2026 Q1 0.8% Add +0.08 pp 1,013,552 $77M hist
Dmitry Balyasny - Balyasny Asset Management L.P. 2026 Q1 0.5% Add +0.31 pp 4,722,968 $357M hist
Israel Englander - Millennium Management LLC 2026 Q1 0.2% Add +0.07 pp 5,651,225 $427M hist
Natixis Advisors, LLC 2026 Q1 0.1% Add +0.01 pp 468,620 $35M hist
Vanguard Group Inc. 2025 Q4 stale 0.0% Reduce 0.00 pp 26,089,403 $1.9B hist
Norges Bank 2025 Q4 stale 0.0% Exit -0.03 pp 3,816,001 $284M hist
Ken Griffin - Citadel Advisors LLC 2026 Q1 0.0% Add +0.01 pp 1,090,660 $82M hist
Two Sigma Investments, LP 2025 Q4 stale 0.0% Exit -0.01 pp 85,204 $6M hist
Steve Cohen - Point72 Asset Management, L.P. 2026 Q1 0.0% Reduce -0.01 pp 71,776 $5M hist
Cliff Asness - Aqr Capital Management LLC 2026 Q1 0.0% Reduce -0.02 pp 115,167 $9M hist
Ray Dalio - Bridgewater Associates, LP 2026 Q1 0.0% Reduce 0.00 pp 11,303 $854 hist
Richard Pzena - Pzena Investment Management LLC 2026 Q1 0.0% Reduce 0.00 pp 3,964 $300 hist
Ancora Advisors LLC 2026 Q1 0.0% Add 0.00 pp 595 $45 hist
Renaissance Technologies LLC exited 2026 Q1 last 2025 Q4 0.2% Exit -0.15 pp 1,323,090 $99M hist
Jensen Investment Management Inc. exited 2026 Q1 last 2025 Q4 0.0% Exit -0.03 pp 28,000 $2M hist
Marshall Wace - Marshall Wace, LLP exited 2026 Q1 last 2025 Q4 0.0% Exit -0.01 pp 157,674 $12M hist

14 current · 3 exited last period · options excluded

ownership over time

filing count by report period · click a bar for that quarter’s holders