What does CUSIP 199908104 represent in this 13F holders report?

CUSIP 199908104 is the security identifier for FIX - COMFORT SYSTEMS USA INC - Common Stock used to aggregate holder disclosures.

How many institutions held FIX - COMFORT SYSTEMS USA INC - Common Stock in Q4 2018?

244 institutional investors reported FIX - COMFORT SYSTEMS USA INC - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

COMFORT SYSTEMS USA INC - Common Stock (FIX)

CUSIP: 199908104

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 34,904,936
Total 13F shares: 34,746,082
Share change: -82,262
Total reported value: $1,516,953,290
Put/Call ratio: 1405%
Price per share: $43.68
Number of holders: 244
Value change: -$9,129,740
Number of buys: 124
Number of sells: 121

Quarterly Holders Quick Answers

What is CUSIP 199908104?
CUSIP 199908104 identifies FIX - COMFORT SYSTEMS USA INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 199908104:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of FIX - COMFORT SYSTEMS USA INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	19%	6,475,145	$365,197,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	11%	3,971,773	$224,008,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.5%	1,564,607	$88,242,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	3.6%	1,264,554	$71,320,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	3.1%	1,095,853	$61,808,000	—	30 Sep 2018	13F
NEUMEIER POMA INVESTMENT COUNSEL LLC	13F	Company	3%	1,056,915	$59,610,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	2.5%	879,502	$49,603,000	—	30 Sep 2018	13F
DARUMA CAPITAL MANAGEMENT LLC	13F	Company	2.2%	751,675	$42,394,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	2.1%	723,574	$40,810,000	—	30 Sep 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2%	687,000	$38,747,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.8%	635,511	$35,843,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	1.7%	601,469	$33,923,000	—	30 Sep 2018	13F
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO	13F	Company	1.6%	547,682	$30,889,000	—	30 Sep 2018	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	1.6%	545,942	$30,791,000	—	30 Sep 2018	13F
Copper Rock Capital Partners, LLC	13F	Company	1.5%	519,856	$28,748,000	—	30 Sep 2018	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	1.5%	509,323	$28,726,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	1.4%	502,404	$28,336,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.2%	410,024	$23,124,000	—	30 Sep 2018	13F
Copeland Capital Management, LLC	13F	Company	1.1%	400,596	$22,594,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	381,861	$21,536,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.1%	370,190	$20,879,000	—	30 Sep 2018	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	1%	357,656	$20,172,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	1%	357,246	$20,149,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.99%	344,848	$19,449,000	—	30 Sep 2018	13F
Impax Asset Management Group plc	13F	Company	0.96%	335,946	$18,947,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.94%	329,255	$18,570,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.92%	320,464	$18,075,000	—	30 Sep 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.89%	309,962	$17,482,000	—	30 Sep 2018	13F
STIFEL FINANCIAL CORP	13F	Company	0.82%	287,671	$16,227,000	—	30 Sep 2018	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.82%	285,788	$16,118,000	—	30 Sep 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.74%	259,686	$14,646,000	—	30 Sep 2018	13F
Man Group plc	13F	Company	0.73%	253,487	$14,296,000	—	30 Sep 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	0.69%	239,932	$13,532,000	—	30 Sep 2018	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.62%	216,748	$12,224,000	—	30 Sep 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.61%	214,392	$12,079,000	—	30 Sep 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.61%	212,036	$11,959,000	—	30 Sep 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	0.59%	205,593	$11,596,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.58%	202,193	$11,403,000	—	30 Sep 2018	13F
WINTON GROUP Ltd	13F	Company	0.57%	200,248	$11,294,000	—	30 Sep 2018	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.55%	191,589	$10,805,000	—	30 Sep 2018	13F
Invesco Ltd.	13F	Company	0.54%	187,517	$10,576,000	—	30 Sep 2018	13F
AJO, LP	13F	Company	0.53%	185,248	$10,448,000	—	30 Sep 2018	13F
Assenagon Asset Management S.A.	13F	Company	0.52%	181,207	$10,220,000	—	30 Sep 2018	13F
FIRST TRUST ADVISORS LP	13F	Company	0.47%	163,476	$9,220,000	—	30 Sep 2018	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.47%	163,211	$9,206,000	—	30 Sep 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.41%	142,526	$8,038,000	—	30 Sep 2018	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.37%	130,558	$7,363,000	—	30 Sep 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.37%	127,807	$7,208,000	—	30 Sep 2018	13F
LORD, ABBETT & CO. LLC	13F	Company	0.37%	127,730	$7,204,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.36%	125,288	$7,067,000	—	30 Sep 2018	13F

Institutional Holders of COMFORT SYSTEMS USA INC - Common Stock (FIX) as of Q4 2018

As of 31 Dec 2018, COMFORT SYSTEMS USA INC - Common Stock (FIX) was held by 244 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 34,746,082 shares. The largest 10 holders included BlackRock Inc., Vanguard Group Inc, DIMENSIONAL FUND ADVISORS LP, FMR LLC, Neumeier Poma Investment Counsel LLC, STATE STREET CORP, NORGES BANK, Bank of New York Mellon Corp, RENAISSANCE TECHNOLOGIES LLC, and TEACHERS ADVISORS, LLC. This page lists 244 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

240

Q4 2018 holders

244

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.