MYSZ
My Size, Inc.Company with tickers: MYSZ
CIK
1211805
CUSIP
62844N406
Shares Outstanding
4,818,164
13F Activity (30d)
6 filings
4 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 8
Total Value: $48,538
Total Shares: 83,982
Institutional Ownership Trend
8 quarters
Holder Concentration
Across 8 13F filers · Δ vs Dec 31, 2025Top Holder
32.2%
−23.8 pts
Top 5
99.4%
−0.2 pts
Top 10
100.0%
0.0 pts
HHI
2,382
Moderately concentrated−1,378
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
3
Decreased
1
Sold Out
1
Unchanged
2
Holder count:
+1
Institutional value:
-51.0%
Shares held:
-35.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Micro Williams & Novak, LLC | +4,295 | 27,030 | |
| Mega UBS Group AG | +2,260 | 4,362 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +1,087 | 13,102 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | −689 | 19,530 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 19,423 | $11,226 | |
| Small Johnson Financial Group, Inc. | 1 | $0 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid DRW Securities, LLC | 73,214 | $55,496 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Micro Williams & Novak, LLC | $15,623 | 32.19% | 27,030 | Shares | Sole | 2026-04-21 | ||||
| Mid XTX Topco Ltd | $11,288 | 23.26% | 19,530 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $11,226 | 23.13% | 19,423 | Shares | Defined | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $7,572 | 15.60% | 13,102 | Shares | Other | 2026-05-15 | ||||
| Mega UBS Group AG | $2,521 | 5.19% | 4,362 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $294 | 0.61% | 509 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $14 | 0.03% | 25 | Shares | Defined | 2026-04-28 | ||||
| Small Johnson Financial Group, Inc. | $0 | 0.00% | 1 | Shares | Defined | 2026-05-07 | ||||
| No holders match your search. | ||||||||||