FIX Institutional Ownership
Who owns Comfort Systems USA Inc and what the big funds did with it last quarter, from every SEC 13F filing. 1,355 funds reported holding FIX at Jun 30, 2026, together owning 93.3% of the company.
- ▲731 buying vs 566 selling
- ●Held by funds +0.3 pts
- ▲Funds holding +146
- ●Superinvestors: 3 added, 3 cut
- ▲Put/call 2.82 to 2.36
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 1,355 | 1,209 | +12.1% |
| In funds' top 10 | 31 | 43 | −27.9% |
| 13F shares | 32.6M | 32.5M | +0.3% |
| Held by funds | 93.3% | 93.0% | +0.3 pts |
| New positions | 233 | 227 | +2.6% |
| Increased | 498 | 447 | +11.4% |
| Reduced | 484 | 400 | +21.0% |
| Sold out | 82 | 71 | +15.5% |
| Calls (shares) | 83K | 72K | +15.0% |
| Puts (shares) | 196K | 203K | −3.4% |
| Put/call ratio | 2.36 | 2.82 | −16.3% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in FIX
All superinvestors →
Who owns FIX
share of fund held shares- Index and passive funds39.2%
- Active managers and hedge funds43.2%
- Banks and brokers13.6%
- Pensions, insurers and other4.0%
The top 10 holders own 46.5% of all FIX shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
484 funds changed their position- GoalVest Advisory LLCAdded+47K sh
- Artemis Investment Management LLPAdded+45K sh
- Vontobel Holding Ltd.Trimmed−37K sh
- KBC Group NVTrimmed−30K sh
- Smith Group Asset Management, LLCTrimmed−20K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.71% | 3.4M | $6.7B | −115K |
| 2 | Vanguard Capital Management LLC | 6.57% | 2.3M | $4.6B | +12K |
| 3 | Vanguard Portfolio Management LLC | 5.33% | 1.9M | $3.7B | −15K |
| 4 | Fmr LLC | 4.74% | 1.7M | $3.3B | +210K |
| 5 | State Street Corp | 4.39% | 1.5M | $3B | +65K |
| 6 | Geode Capital Management, LLC | 3.29% | 1.2M | $2.3B | −87K |
| 7 | AQR Capital Management LLC | 3.03% | 1.1M | $2.1B | −57K |
| 8 | Jpmorgan Chase & Co | 2.40% | 838K | $1.6B | −51K |
| 9 | Capital World Investors | 2.06% | 720K | $1.4B | −146K |
| 10 | Invesco Ltd. | 1.88% | 658K | $1.3B | +52K |
- Norges Bank+472K sh+$935M
- Massachusetts Financial Services Co /ma/+221K sh+$440M
- Fmr LLC+210K sh+$417M
- Price T Rowe Associates Inc /md/+164K sh+$324M
- Amundi+156K sh+$309M
- DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt+123K sh+$244M
- American Century Companies Inc+112K sh+$221M
- Arax Advisory Partners+91K sh+$181M
- Westfield Capital Management Co LP−265K sh−$526M
- Capital International Investors−250K sh−$496M
- Hood River Capital Management LLC−249K sh−$344M
- Capital World Investors−146K sh−$288M
- SG Americas Securities, LLC−124K sh−$245M
- BlackRock, Inc.−115K sh−$228M
- Fuller & Thaler Asset Management, Inc.−111K sh−$221M
- Castle Hook Partners LP−110K sh−$219M
FIX institutional ownership FAQ
Who owns the most FIX stock?
In Q2 2026 13F filings the largest holder of FIX was BlackRock, Inc., followed by Vanguard Capital Management LLC and Vanguard Portfolio Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of FIX is owned by institutions?
Funds that file 13F reports held 93.3% of FIX's shares at Jun 30, 2026, compared with 93.0% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying FIX?
In Q2 2026, 731 funds bought FIX (233 of them new positions) and 566 sold (82 sold out completely). Among well known investors, 3 added and 3 cut. Our fund sentiment for FIX is bullish.
What is FIX's institutional put/call ratio?
Funds reported $389M of FIX puts against $165M of calls, a put/call ratio of 2.36 (2.82 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this FIX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.