Position in ACFN
as of Jun 30, 2026
· filed Sep 2, 2026
Position Value
$277,946
-$44,719 QoQ
Shares Held
16,321
+44.7% QoQ
Ownership
0.650%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#3
of 14 holders
Holding Since
Sep 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ACFN Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026CITADEL ADVISORS LLC holds $770,658,471 across 26 Scientific & Technical Instruments names. ACFN ranks #18 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
|
697,670 | $310,323,615 | |
| 2 | KEYS |
Keysight Technologies, Inc.
|
555,953 | $194,622,466 | |
| 3 | GRMN |
Garmin Ltd
|
281,919 | $66,967,039 | |
| 4 | COHR |
Coherent Corp.
|
161,095 | $63,547,144 | |
| 5 | NOVT |
Novanta Inc
|
481,821 | $62,039,303 | |
| 6 | VNT |
Vontier Corp
|
674,348 | $19,556,092 | |
| 7 | TDY |
Teledyne Technologies Inc
|
19,981 | $13,325,328 | |
| 8 | ITRI |
Itron, Inc.
|
121,080 | $10,477,051 |
All Filings in ACFN
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $277,946 | 16,321 | Shares | Defined | 2026-09-02 | |
| 2025-09-30 | $322,665 | 11,282 | Shares | Defined | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||