BKYI
Bio Key International IncCompany with tickers: BKYI
CIK
1019034
CUSIP
09060C507
Shares Outstanding
1,085,212
13F Activity (30d)
7 filings
7 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: 9
Total Value: $226,909
Total Shares: 428,141
Institutional Ownership Trend
Holder Concentration
Across 9 13F filers · Δ vs Dec 31, 2025Top Holder
69.0%
+40.3 pts
Top 5
97.8%
+6.3 pts
Top 10
100.0%
+0.1 pts
HHI
5,008
Highly concentrated
+3,076
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
2
Decreased
2
Sold Out
9
Unchanged
1
Holder count:
-5
Institutional value:
+146.5%
Shares held:
+151.2%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +246,539 | 295,431 | |
| Mega CITIGROUP INC | +50,338 | 50,349 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | −9,719 | 5,558 | |
| Mid Tower Research Capital LLC (TRC) | −8 | 1,753 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 34,846 | $18,468 | |
| Mid Virtu Financial LLC | 20,713 | $10,977 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 17,191 | $9,111 | |
| Mega MORGAN STANLEY | 2,000 | $1,060 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 34,846 | $18,816 | |
| Mega CITADEL ADVISORS LLC | 31,637 | $17,083 | |
| Mega JANE STREET GROUP, LLC | 25,317 | $13,670 | |
| Small FLOW TRADERS U.S. LLC | 11,273 | $6,087 | |
| Micro Signature Resources Capital Management, LLC | 1,000 | $540 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | $156,577 | 69.00% | 295,431 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $26,684 | 11.76% | 50,349 | Shares | Defined | 2026-05-11 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $18,468 | 8.14% | 34,846 | Shares | Defined | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $10,977 | 4.84% | 20,713 | Shares | Defined | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9,111 | 4.02% | 17,191 | Shares | Other | 2026-05-15 | ||||
| Mega UBS Group AG | $2,944 | 1.30% | 5,558 | Shares | Defined | 2026-05-05 | ||||
| Mega MORGAN STANLEY | $1,060 | 0.47% | 2,000 | Shares | Defined | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $929 | 0.41% | 1,753 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $159 | 0.07% | 300 | Shares | Defined | 2026-04-28 | ||||
| No holders match your search. | ||||||||||