Chimerix Ownership | Who Owns Chimerix?

Chimerix Ownership Summary

Chimerix is owned by 8.46% institutional investors, 1.73% insiders, and 89.81% retail investors. Millennium management is the largest institutional shareholder, holding 2.61% of CMRX shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.12% of its assets in Chimerix shares.

CMRX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Chimerix	8.46%	1.73%	89.81%
Sector	Healthcare Stocks	279.42%	10.64%	-190.05%
Industry	Biotech Stocks	64.05%	10.69%	25.27%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Millennium management	2.34M	2.61%	$19.95M
Acadian asset management	2.01M	2.24%	$6.99M
Blackrock	906.55K	1.02%	$794.14K
Goldman sachs group	497.19K	0.55%	$1.73M
D. e. shaw	278.62K	0.31%	$244.07K
One68 global capital	120.00K	0.13%	$1.02M
Susquehanna group, llp	93.45K	0.10%	$325.20K
Morgan stanley	75.77K	0.08%	$66.37K
Citadel advisors	48.10K	0.05%	$42.14K
Koshinski asset management	37.00K	0.04%	$81.40K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
One68 global capital	120.00K	0.50%	$1.02M
Acadian asset management	2.01M	0.02%	$6.99M
Millennium management	2.34M	0.01%	$19.95M
Koshinski asset management	37.00K	0.01%	$81.40K
Newbridge financial services group	2.50K	0.00%	$8.70K
Goldman sachs group	497.19K	0.00%	$1.73M
D. e. shaw	278.62K	0.00%	$244.07K
Group one trading	11.56K	0.00%	$40.23M
Proshare advisors	-	-	-
Geode capital management	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
One68 global capital	120.00K	0.50%	120.00K
Citadel advisors	48.10K	-	29.20K
Morgan stanley	75.77K	-	7.57K
Goldman sachs group	497.19K	0.00%	4.76K
Royal bank of canada	220.00	-	220.00

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	-	-	-8.80M
Beryl capital management	-	-	-3.93M
Magnetar financial	-	-	-3.92M
Deerfield management company, l.p. (series c)	-	-	-3.77M
Vanguard group	-	-	-3.65M

New Positions

Holder	Shares	% Assets	Change	Value
One68 global capital	120.00K	0.50%	120.00K	$1.02M

Sold Out

Holder	Change
Cubist systematic strategies	-12.00
Steward partners investment advisory	-25.00
Cibc private wealth group	-30.00
Physician wealth advisors	-79.00
National bank of canada /fi/	-100.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	3	-95.89%	7,590,105	-83.30%	8	0.33%	3	-91.43%	-	-100.00%
Dec 31, 2024	73	8.96%	45,459,708	22.51%	50	2.96%	35	75.00%	20	-
Sep 30, 2024	67	-12.99%	37,107,930	0.39%	41	2.41%	20	-16.67%	20	-4.76%
Jun 30, 2024	77	-4.94%	36,962,684	-4.64%	41	2.16%	24	-20.00%	21	-19.23%
Mar 31, 2024	81	5.19%	38,761,787	-4.02%	43	2.11%	30	3.45%	26	-

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	2.90M	3.12%	-
Vanguard Total Stock Mkt Idx Inv	2.36M	2.52%	-531.50K
Vanguard Institutional Extnd Mkt Idx Tr	1.16M	1.24%	71.21K
Bridgeway Ultra-Small Company	860.12K	0.96%	-
AB Merger Arbitrage S1 USD	799.57K	0.85%	799.57K
AB Event Driven S1 USD	463.91K	0.49%	463.91K
Fidelity Extended Market Index	413.50K	0.44%	3.32K
A4Investments SICAV SIF ACCI IlanaA2EURH	300.00K	0.33%	-
Northern Small Cap Value	305.02K	0.33%	-16.53K
NT Quality Small Cap Value	305.02K	0.33%	-16.53K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 13, 2025	Melemed Allen S.	CHIEF MEDICAL OFFICER	Sell	$13.80K
Feb 13, 2025	Andriole Michael T.	PRESIDENT AND CEO	Sell	$33.28K
Feb 13, 2025	Alrutz Michael Albert	SVP AND GENERAL COUNSEL	Sell	$7.23K
Feb 13, 2025	Jakeman David	VP OF FINANCE AND ACCOUNTING	Sell	$1.36K
Feb 13, 2025	LaSpaluto Michelle	CHIEF FINANCIAL OFFICER	Sell	$10.20K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	-
2025 Q1	-	8
2024 Q4	-	-
2024 Q3	-	1
2024 Q2	-	-

CMRX Ownership FAQ

Who Owns Chimerix?

Chimerix shareholders are primarily institutional investors at 8.46%, followed by 1.73% insiders and 89.81% retail investors. The average institutional ownership in Chimerix's industry, Biotech Stocks , is 64.05%, which Chimerix falls below.

Who owns the most shares of Chimerix?

Chimerix’s largest shareholders are Millennium management (2.34M shares, 2.61%), Acadian asset management (2.01M shares, 2.24%), and Blackrock (906.55K shares, 1.02%). Together, they hold 5.87% of Chimerix’s total shares outstanding.

Does Blackrock own Chimerix?

Yes, BlackRock owns 1.02% of Chimerix, totaling 906.55K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 794.14K$. In the last quarter, BlackRock decreased its holdings by -108K shares, a -10.63% change.

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

One68 global capital is Chimerix’s biggest shareholder by percentage of total assets invested, with 0.50% of its assets in 120K Chimerix shares, valued at 1.02M$.

Who is the top mutual fund holder of Chimerix shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Chimerix shares, with 3.12% of its total shares outstanding invested in 2.9M Chimerix shares.

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