ICLR Institutional Ownership
Who owns Icon PLC and what the big funds did with it last quarter, from every SEC 13F filing. 426 funds reported holding ICLR at Jun 30, 2026.
- ●229 buying vs 220 selling
- ▲Shares held by funds +2.6%
- ●Funds holding +3
- ●Superinvestors: 2 added, 2 cut
- ▲Put/call 1.64 to 0.71
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 | 426 | 423 | +0.7% |
| In funds' top 10 | 19 | 15 | +26.7% |
| 13F shares | 80.3M | 78.2M | +2.6% |
| Held by funds | – | – | – |
| New positions | 83 | 60 | +38.3% |
| Increased | 146 | 156 | −6.4% |
| Reduced | 140 | 142 | −1.4% |
| Sold out | 80 | 149 | −46.3% |
| Calls (shares) | 270K | 62K | +334.6% |
| Puts (shares) | 191K | 102K | +87.0% |
| Put/call ratio | 0.71 | 1.64 | −57.0% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ICLR
All superinvestors →
Who owns ICLR
share of fund held shares- Index and passive funds10.1%
- Active managers and hedge funds81.8%
- Banks and brokers5.6%
- Pensions, insurers and other2.5%
The top 10 holders own 52.7% of all ICLR 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
106 funds changed their position- Fisher Funds Management LTDSold out−150K sh
- Trinity Street Asset Management LLPTrimmed−48K sh
- Swedbank ABNew+35K sh
- Quartz Partners, LLCSold out−33K sh
- Concurrent Investment Advisors, LLCTrimmed−34K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Artisan Partners Limited Partnership | – | 8.6M | $1.5B | +357K |
| 2 | Wellington Management Group LLP | – | 5.3M | $924M | −593K |
| 3 | Fmr LLC | – | 5.3M | $916M | +1.1M |
| 4 | Invesco Ltd. | – | 5.3M | $914M | +1.4M |
| 5 | Harris Associates L P | – | 4.5M | $776M | +117K |
| 6 | Brave Warrior Advisors, LLC | – | 3.2M | $548M | +156K |
| 7 | Greenhaven Associates Inc | – | 3.1M | $539M | +1.1M |
| 8 | Principal Financial Group Inc | – | 3M | $513M | −361K |
| 9 | Massachusetts Financial Services Co /ma/ | – | 2.1M | $369M | −623K |
| 10 | Ruane, Cunniff & Goldfarb L.P. | – | 2M | $356M | +413K |
- Invesco Ltd.+1.4M sh+$241M
- Greenhaven Associates Inc+1.1M sh+$191M
- Fmr LLC+1.1M sh+$191M
- Ameriprise Financial Inc+877K sh+$152M
- Maple Rock Capital Partners Inc.+864K sh+$150M
- Norges Bank+821K sh+$143M
- Boston Partners+786K sh+$136M
- Dimensional Fund Advisors LP+481K sh+$83.6M
- Sachem Head Capital Management LP−2.1M sh−$233M
- Madison Avenue Partners, LP−1.3M sh−$142M
- Massachusetts Financial Services Co /ma/−623K sh−$109M
- Wellington Management Group LLP−593K sh−$103M
- Holocene Advisors, LP−841K sh−$93M
- Sound Shore Management Inc /CT/−627K sh−$69.4M
- First Pacific Advisors, LP−385K sh−$66.8M
- Principal Financial Group Inc−361K sh−$62.7M
ICLR institutional ownership FAQ
Who owns the most ICLR stock?
In Q2 2026 13F filings the largest holder of ICLR was Artisan Partners Limited Partnership, followed by Wellington Management Group LLP and Fmr LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of ICLR is owned by institutions?
426 funds reported holding 80.3M ICLR shares at Jun 30, 2026.
Are hedge funds buying ICLR?
In Q2 2026, 229 funds bought ICLR (83 of them new positions) and 220 sold (80 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for ICLR is bullish.
What is ICLR's institutional put/call ratio?
Funds reported $33.1M of ICLR puts against $46.9M of calls, a put/call ratio of 0.71 (1.64 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this ICLR 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.