
Alpha Teknova, Inc.
Alpha Teknova, Inc. (TKNO) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TKNO · as of Sep 30, 2025
Ownership Breakdown
67
Institutional Holders
▼ 1 vs Q2
$46.16M
Total Inst. Value
▲ $8.53M vs Q2
53.61M
Shares Outstanding
freeFloat 20.23%
7.47M
13F Shares Held
▼ 197,210 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TKNO largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
UBS GROUP AG in vitro & in vivo diagnostic substances | 1.50M | 2.81% | 2.81% | $9.30B | Nov 13, 2025 | ▼ 84.2K |
BALYASNY ASSET MANAGEMENT L.P. in vitro & in vivo diagnostic substances | 987.2K | 1.85% | 1.85% | $6.11B | Nov 14, 2025 | ▼ 13.3K |
ROUBAIX CAPITAL, LLC in vitro & in vivo diagnostic substances | 833.8K | 1.56% | 1.56% | $5.16B | Nov 12, 2025 | ▲ 393.9K |
BLACKROCK, INC. in vitro & in vivo diagnostic substances | 694.1K | 1.30% | 1.30% | $4.30B | Nov 12, 2025 | ▼ 7.7K |
VANGUARD GROUP INC in vitro & in vivo diagnostic substances | 625.5K | 1.17% | 1.17% | $3.87B | Nov 7, 2025 | ▼ 26.6K |
CONESTOGA CAPITAL ADVISORS, LLC in vitro & in vivo diagnostic substances | 308.9K | 57.80% | 57.80% | $1.91B | Oct 24, 2025 | ▲ 116.7K |
GEODE CAPITAL MANAGEMENT, LLC in vitro & in vivo diagnostic substances | 284.4K | 53.21% | 53.21% | $1.76B | Nov 12, 2025 | ▼ 14.4K |
BANK OF AMERICA CORP /DE/ in vitro & in vivo diagnostic substances | 225.7K | 42.23% | 42.23% | $1.40B | Feb 3, 2026 | ▼ 3.7K |
MASSAR CAPITAL MANAGEMENT, LP in vitro & in vivo diagnostic substances | 200.0K | 37.42% | 37.42% | $1.24B | Nov 14, 2025 | — held |
STATE STREET CORP in vitro & in vivo diagnostic substances | 157.5K | 29.47% | 29.47% | $975.05M | Nov 14, 2025 | ▲ 17.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
18
Increased
+947.9K shares6
New Positions
first time holders18
Decreased
−723.6K shares0
Sold Out
fully exitedNet shares change (top 50)
+224.3K
+947.9K / −723.6K
Net new holders
+6
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TKNO insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
3
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Vos Alexander director | Jun 1, 2026 | Award | 55,000 | $5.37 | $295.4K | 55.0K | Form 4 ↗ |
ROBERTSON BRETT director | Jun 1, 2026 | Award | 55,000 | $5.37 | $295.4K | 55.0K | Form 4 ↗ |
DEMSKI MARTHA J director | Jun 1, 2026 | Award | 55,000 | $5.37 | $295.4K | 55.0K | Form 4 ↗ |
Terrill Damon General Counsel and CCO | Feb 15, 2026 | Award | 148,000 | $1.99 | $294.5K | 148.0K | Form 4 ↗ |
Lowell Matthew Chief Financial Officer | Feb 15, 2026 | Award | 171,000 | $1.99 | $340.3K | 171.0K | Form 4 ↗ |
Lowell Matthew Chief Financial Officer | Mar 6, 2026 | Purchase | 40,000 | $2.19 | $87.6K | 168.4K | Form 4 ↗ |
Gunstream Stephen President and CEO | Feb 15, 2026 | Award | 429,000 | $1.99 | $853.7K | 429.0K | Form 4 ↗ |
Gunstream Stephen President and CEO | Mar 6, 2026 | Purchase | 26,000 | $2.15 | $55.8K | 269.5K | Form 4 ↗ |
DEMSKI MARTHA J director | Jun 27, 2025 | Sale | 8,000 | $5.06 | $40.5K | 12.0K | Form 4 ↗ |
Vos Alexander director | Jun 17, 2025 | Award | 54,300 | $5.39 | $292.7K | 54.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Alpha Teknova, Inc. (TKNO) is primarily owned by institutional investors, who hold approximately 13.9% of total shares outstanding. Company insiders own approximately 79.77%, while retail and public investors account for the remaining 6.31%.
The largest institutional shareholder of Alpha Teknova, Inc. is UBS GROUP AG, holding approximately 1.50 million shares — equal to 2.81% of outstanding shares — as of September 30, 2025.
A total of 67 institutional investors currently hold TKNO stock, with a combined institutional value of approximately $46,164,992 as of the most recent 13F filing period.
Frequently asked questions
TKNO ownershipAlpha Teknova, Inc. (TKNO) is primarily owned by institutional investors, who hold approximately 13.9% of shares. The largest shareholder is UBS GROUP AG with a 2.81% stake. Company insiders hold 79.77%. Data sourced from SEC Form 13F as of September 30, 2025.