TWO SIGMA SECURITIES, LLC
Broker-DealerPosition in REFR — Research Frontiers Inc
CIK 1450144
NEW YORK, NY
Position in REFR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$14,544
-$15,420 QoQ
Shares Held
15,809
-30.9% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REFR Over Time
Shares Held
Position Value (USD)
Position in Electronic Components
Technology · as of Jun 30, 2026TWO SIGMA SECURITIES, LLC holds $11,810,022 across 13 Electronic Components names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SANM |
Sanmina Corp
|
15,593 | $3,946,276 | |
| 2 | TTMI |
Ttm Technologies Inc
|
13,499 | $2,524,582 | |
| 3 | TEL |
TE Connectivity plc
|
6,156 | $1,241,111 | |
| 4 | FN |
Fabrinet
|
1,813 | $1,019,051 | |
| 5 | LFUS |
Littelfuse Inc /De
|
1,651 | $751,749 | |
| 6 | OSIS |
Osi Systems Inc
|
3,099 | $677,751 | |
| 7 | PLXS |
Plexus Corp
|
1,430 | $429,958 | |
| 8 | ROG |
Rogers Corp
|
2,197 | $359,714 |
All Filings in REFR
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $14,544 | 15,809 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $29,964 | 22,874 | Shares | Sole | 2026-02-17 | |
| 2025-03-31 | $12,535 | 11,093 | Shares | Sole | 2025-05-15 | |
| 2024-09-30 | $22,995 | 10,500 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $22,153 | 12,040 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||