Position in FONR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,497,977
+$1,195,210 QoQ
Shares Held
80,710
+304.9% QoQ
Ownership
11.6%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#10
of 41 holders
Holding Since
Dec 2020
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FONR Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $1,107,116,506 across 33 Diagnostics & Research names. FONR ranks #22 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GH |
Guardant Health, Inc.
|
4,229,531 | $390,681,778 | |
| 2 | DHR |
Danaher Corp /De/
|
1,858,782 | $352,425,067 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
|
187,893 | $92,355,046 | |
| 4 | MEDP |
Medpace Holdings, Inc.
|
176,557 | $84,780,905 | |
| 5 | A |
Agilent Technologies, Inc.
|
677,347 | $77,204,011 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
219,984 | $37,516,071 | |
| 7 | ILMN |
Illumina, Inc.
|
73,717 | $9,086,357 | |
| 8 | NTRA |
Natera, Inc.
|
40,200 | $8,039,598 |
All Filings in FONR
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,497,977 | 80,710 | Shares | Sole | 2026-05-15 | |
| 2022-06-30 | $302,767 | 19,932 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $596,827 | 32,174 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $534,486 | 35,680 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $460,321 | 29,775 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $627,021 | 35,465 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $819,332 | 45,292 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $248,057 | 14,289 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||