Hologic Ownership | Who Owns Hologic?

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Hologic Ownership Summary

Hologic is owned by 57.70% institutional investors, 0.83% insiders, and 41.47% retail investors. Vanguard group is the largest institutional shareholder, holding 11.63% of HOLX shares. T. Rowe Price Mid-Cap Growth is the top mutual fund, with 4.04% of its assets in Hologic shares.

HOLX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Hologic	57.70%	0.83%	41.47%
Sector	Healthcare Stocks	232.51%	10.72%	-143.22%
Industry	Medical Instruments & Supplies Stocks	31.73%	13.63%	54.64%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	26.09M	11.63%	$1.94B
Blackrock funding, inc. /de	22.10M	9.85%	$1.65B
Blackrock	23.10M	9.79%	$1.72B
T. rowe price investment management	21.55M	9.61%	$1.45B
Manufacturers life insurance company, the	10.45M	4.66%	$705.30M
State street	9.98M	4.45%	$673.33M
Invesco	7.10M	3.17%	$479.28M
Geode capital management	5.92M	2.64%	$439.23M
Victory capital management	5.47M	2.44%	$369.17M
Norges bank	3.82M	1.70%	$284.25M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Cibra capital	62.84K	8.04%	$4.68B
Longaeva partners	614.93K	5.98%	$41.50M
Blue door asset management	167.30K	5.94%	$11.29M
Otter creek advisors	77.81K	5.21%	$5.25M
Athos capital	170.00K	4.85%	$12.66M
Chicago capital management	85.00K	3.25%	$4.78M
Nuance investments	360.82K	2.96%	$26.88M
Gabelli & co investment advisers	253.00K	2.83%	$18.85M
Shapiro capital management	749.56K	2.19%	$50.59M
Alpine associates management	435.35K	2.16%	$32.43M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	3.82M	0.03%	3.82M
Blackrock funding, inc. /de	22.10M	0.03%	2.68M
Point72 asset management	1.39M	0.16%	1.39M
Soros fund management	876.42K	0.76%	876.42K
Freestone grove partners lp	693.44K	0.35%	693.44K

Top Sellers

Holder	Shares	% Assets	Change
Black creek investment management	-	-	-3.74M
Boston partners	-	-	-3.58M
Nordea investment management ab	23.32K	0.00%	-2.81M
T. rowe price investment management	21.55M	0.89%	-2.53M
Allspring global investments	10.21K	0.00%	-2.13M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	3.82M	0.03%	3.82M	$284.25M
Point72 asset management	1.39M	0.16%	1.39M	$93.55M
Highbridge capital management	611.86K	1.45%	611.86K	$45.58M
Alpine associates management	435.35K	2.16%	435.35K	$32.43M
Gabelli funds	285.74K	0.14%	285.74K	$21.28M

Sold Out

Holder	Change
West branch capital	-2.00
Thurston, springer, miller, herd & titak	-2.00
Cbiz investment advisory services	-2.00
Activest wealth management	-3.00
Financial synergies wealth advisors	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	528	-30.98%	129,479,246	-39.08%	57	0.64%	228	-37.36%	197	-25.38%
Sep 30, 2025	530	-24.50%	125,279,273	-39.66%	55	0.65%	248	-24.39%	184	-30.83%
Jun 30, 2025	704	-1.12%	218,268,288	-0.17%	97	1.04%	330	-1.79%	267	-2.91%
Mar 31, 2025	704	-3.43%	217,342,193	-3.57%	96	1.00%	332	-2.06%	274	-4.53%
Dec 31, 2024	420	-42.78%	114,860,082	-49.21%	49	0.53%	184	-48.46%	178	-32.83%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
T. Rowe Price Mid-Cap Growth	8.98M	4.04%	-16.40K
T. Rowe Price US Mid-Cap Growth Equity	8.99M	4.04%	505.70K
Vanguard US Total Market Shares ETF	7.39M	3.27%	4.97K
Vanguard Total Stock Mkt Idx Inv	7.01M	3.15%	-163.29K
T. Rowe Price Capital Appreciation	6.75M	3.04%	3.44M
Vanguard Institutional 500 Index Trust	6.39M	2.87%	49.19K
Vanguard 500 Index Investor	5.52M	2.48%	-808.52K
Vanguard Small Cap Index	5.41M	2.43%	-34.90K
Sycamore Mid Cap Value Comp	4.72M	2.09%	4.61M
Victory Sycamore Established Value R	3.96M	1.78%	-760.00K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 20, 2025	Stamoulis Christiana	-	Sell	$540.86K
Sep 22, 2025	MACMILLAN STEPHEN P	Chairman, President and CEO	Sell	$2.61M
Sep 22, 2025	MACMILLAN STEPHEN P	Chairman, President and CEO	Sell	$5.19M
Sep 22, 2025	MACMILLAN STEPHEN P	Chairman, President and CEO	Sell	$1.47M
May 07, 2025	Madaus Martin D	-	Buy	$300.76K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	-	1
2025 Q3	-	3
2025 Q2	1	-
2025 Q1	-	-

HOLX Ownership FAQ

Who Owns Hologic?

Hologic shareholders are primarily institutional investors at 57.70%, followed by 0.83% insiders and 41.47% retail investors. The average institutional ownership in Hologic's industry, Medical Instruments & Supplies Stocks, is 31.73%, which Hologic exceeds.

Who owns the most shares of Hologic?

Hologic’s largest shareholders are Vanguard group (26.09M shares, 11.63%), Blackrock funding, inc. /de (22.1M shares, 9.85%), and Blackrock (23.1M shares, 9.79%). Together, they hold 31.27% of Hologic’s total shares outstanding.

Does Blackrock own Hologic?

Yes, BlackRock owns 9.79% of Hologic, totaling 23.1M shares as of Jun 2024. This represents 0.04% of BlackRock's total assets, with a market value of 1.72B$. In the last quarter, BlackRock decreased its holdings by -295K shares, a -1.26% change.

Who is Hologic’s biggest shareholder by percentage of total assets invested?

Cibra capital is Hologic’s biggest shareholder by percentage of total assets invested, with 8.04% of its assets in 62.84K Hologic shares, valued at 4.68B$.

Who is the top mutual fund holder of Hologic shares?

T. Rowe Price Mid-Cap Growth is the top mutual fund holder of Hologic shares, with 4.04% of its total shares outstanding invested in 8.98M Hologic shares.

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