Position in KROS
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$246,059
-$965,253 QoQ
Shares Held
22,288
-75.4% QoQ
Ownership
0.112%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in KROS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $82,538,439 across 183 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
154,558 | $10,823,696 | |
| 2 | QURE |
uniQure N.V.
|
110,219 | $5,076,687 | |
| 3 | ERAS |
Erasca, Inc.
|
276,988 | $5,074,420 | |
| 4 | AXSM |
Axsome Therapeutics, Inc.
|
19,643 | $4,808,017 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
55,535 | $4,136,246 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
11,567 | $3,482,014 | |
| 7 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
29,002 | $2,363,953 | |
| 8 | SLS |
SELLAS Life Sciences Group, Inc.
|
154,099 | $2,274,501 |
All Filings in KROS
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $246,059 | 22,288 | Shares | Sole | 2026-05-14 | |
| 2025-06-30 | $1,211,312 | 90,735 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $718,517 | 70,512 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $116,936 | 7,387 | Shares | Sole | 2025-02-11 | |
| 2023-12-31 | $38,527 | 969 | Shares | Sole | 2024-02-02 | |
| 2022-12-31 | $2 | 53 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $9,969 | 265 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $4,420 | 160 | Shares | Sole | 2022-08-03 | |
| No filing history on record for this holder in this stock. | ||||||