Mirion Ownership | Who Owns Mirion?

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Mirion Ownership Summary

Mirion is owned by 98.78% institutional investors, 0.65% insiders, and 0.57% retail investors. Goldman sachs group is the largest institutional shareholder, holding 19.01% of MIR shares. Janus Henderson Triton D is the top mutual fund, with 3.19% of its assets in Mirion shares.

MIR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Mirion	98.78%	0.65%	0.57%
Sector	Industrials Stocks	61.06%	10.27%	28.67%
Industry	Industrial Machinery Stocks	75.33%	6.55%	18.12%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Goldman sachs group	37.98M	19.01%	$407.88M
Vanguard group	21.89M	10.96%	$235.05M
T. rowe price investment management	19.98M	10.00%	$214.60M
Blackrock	15.80M	7.91%	$169.72M
Swedbank ab	10.38M	5.20%	$111.49M
Janus henderson group	8.69M	4.35%	$93.28M
Cooperman leon g	8.00M	4.01%	$85.92M
Dimensional fund advisors lp	6.11M	3.06%	$65.64M
Select equity group	5.78M	2.90%	$62.12M
State street	5.23M	2.62%	$56.14M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
P2 capital partners	4.70M	5.54%	$50.49M
Ack asset management	3.30M	4.37%	$35.42M
Cooperman leon g	8.00M	3.63%	$85.92M
Corsair capital management	1.72M	2.99%	$18.46M
Bornite capital management lp	1.03M	1.82%	$11.04M
Chescapmanager	1.03M	0.89%	$11.10M
Hollow brook wealth management	207.61K	0.76%	$2.23M
Essex investment management	350.50K	0.70%	$3.76M
Crestline management, lp	810.00K	0.68%	$8.70M
Schwartz investment counsel	1.52M	0.60%	$16.32M

Top Buyers

Holder	Shares	% Assets	Change
Ack asset management	3.30M	4.37%	3.30M
Goldman sachs group	37.98M	0.07%	3.17M
American century companies	3.94M	0.03%	1.51M
Dimensional fund advisors lp	6.11M	0.02%	1.03M
Bornite capital management lp	1.03M	1.82%	1.03M

Top Sellers

Holder	Shares	% Assets	Change
Alyeska investment group	-	-	-900.00K
P2 capital partners	4.70M	5.54%	-819.00K
Cibc world market	-	-	-805.00K
Arrowstreet capital, limited partnership	-	-	-736.95K
Janus henderson group	8.69M	0.05%	-717.85K

New Positions

Holder	Shares	% Assets	Change	Value
Ack asset management	3.30M	4.37%	3.30M	$35.42M
Bornite capital management lp	1.03M	1.82%	1.03M	$11.04M
Millennium management	533.53K	0.00%	533.53K	$5.73M
Nicholas investment partners, lp	486.29K	0.54%	486.29K	$5.22M
Fil	375.34K	0.00%	375.34K	$4.03M

Sold Out

Holder	Change
Walleye trading	-200.00
Walleye capital	-3.10K
Metropolitan life insurance co/ny	-10.69K
Teza capital management	-11.32K
Gsa capital partners llp	-12.89K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2024	157	5.37%	197,287,838	4.61%	98	1.11%	91	18.18%	45	-6.25%
Mar 31, 2024	149	12.03%	188,593,275	6.31%	94	1.16%	77	16.67%	48	17.07%
Dec 31, 2023	133	0.76%	177,394,466	0.48%	90	1.15%	66	-16.46%	41	51.85%
Sep 30, 2023	132	5.60%	176,548,305	3.32%	88	1.20%	79	-8.14%	27	50.00%
Jun 30, 2023	125	4.17%	170,875,186	6.45%	85	1.17%	86	43.33%	18	-56.10%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Janus Henderson Triton D	7.41M	3.19%	-
Janus Henderson US SMID Cap Growth	6.82M	2.93%	-592.79K
Swedbank Robur Small Cap Global A	6.72M	2.89%	44.00K
Vanguard Total Stock Mkt Idx Inv	6.34M	2.73%	519.30K
T. Rowe Price Small-Cap Stock	5.78M	2.49%	17.47K
T. Rowe Price US Small-Cap Core Equity	5.78M	2.49%	129.04K
iShares Russell 2000 ETF	5.13M	2.21%	-11.54K
Vanguard Small Cap Index	5.07M	2.18%	330.50K
T. Rowe Price Small-Cap Value	4.38M	1.89%	-39.59K
Vanguard Information Technology ETF	4.29M	1.85%	10.58K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 31, 2024	Lee Emmanuelle	Chief Legal Officer	Sell	$48.60K
Oct 24, 2024	Logan Thomas D	Chief Executive Officer	Sell	$105.82K
Sep 24, 2024	Lee Emmanuelle	Chief Legal Officer	Sell	$52.98K
Sep 24, 2024	Logan Thomas D	Chief Executive Officer	Sell	$78.55K
Aug 28, 2024	Lee Emmanuelle	Chief Legal Officer	Sell	$55.05K

Insider Transactions Trends

Date	Buy	Sell
2024 Q4	-	2
2024 Q3	-	7
2024 Q2	-	5
2024 Q1	-	1
2023 Q4	-	-

MIR Ownership FAQ

Who Owns Mirion?

Mirion shareholders are primarily institutional investors at 98.78%, followed by 0.65% insiders and 0.57% retail investors. The average institutional ownership in Mirion's industry, Industrial Machinery Stocks, is 75.33%, which Mirion exceeds.

Who owns the most shares of Mirion?

Mirion’s largest shareholders are Goldman sachs group (37.98M shares, 19.01%), Vanguard group (21.89M shares, 10.96%), and T. rowe price investment management (19.98M shares, 10.00%). Together, they hold 39.98% of Mirion’s total shares outstanding.

Does Blackrock own Mirion?

Yes, BlackRock owns 7.91% of Mirion, totaling 15.8M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 169.72M$. In the last quarter, BlackRock increased its holdings by 246.89K shares, a 1.59% change.

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

P2 capital partners is Mirion’s biggest shareholder by percentage of total assets invested, with 5.54% of its assets in 4.7M Mirion shares, valued at 50.49M$.

Who is the top mutual fund holder of Mirion shares?

Janus Henderson Triton D is the top mutual fund holder of Mirion shares, with 3.19% of its total shares outstanding invested in 7.41M Mirion shares.

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