Silicom Ltd. (SILC) shareholders
SILCNasdaqComputer Communications EquipmentFiscal year ends December 31
$28.84−2.61 (-8.30%)
Close on Nov 13, 2026Market cap $164.57MP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
43.1%
2M of 6M shares
Institutional holders
51
23 new, 3 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 15 sales
Net sold $3.72M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Systematic Financial Management LP | 553,619 | 9.70% | 13G (passive) | Dec 31, 2025 |
| Eizenman Avinoam | 327,559 | 5.70% | 13D (active) | Apr 15, 2026 |
| Kent Lake Partners LP Joint filing with Kent Lake Capital LLC (5.10%), Benjamin Natter (5.10%) | 315,000 | 5.10% | 13G (passive) | Apr 30, 2024 |
| Portolan Capital Management, LLC Joint filing with George McCabe (5.06%) | 288,787 | 5.06% | 13G (passive) | Sep 23, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SILC | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Systematic Financial Management LP | 506,475 | 8.88% | $24.28M | −30,984 | 0.48% |
| First Wilshire Securities Management Inc | 284,287 | 4.98% | $13.63M | −31,355 | 2.81% |
| Nano Cap New Millennium Growth Fund L P | 186,500 | 3.27% | $8.94M | −4,000 | 6.88% |
| Portolan Capital Management, LLC | 162,466 | 2.85% | $7.79M | New | 0.29% |
| Hood River Capital Management LLC | 157,343 | 2.76% | $7.54M | New | 0.05% |
| Jane Street Group, LLC | 122,531 | 2.15% | $5.87M | +109,876 | 0.00% |
| Herald Investment Management Ltd | 95,800 | 1.68% | $4.52M | −27,500 | 0.61% |
| Palisades Investment Partners, LLC | 90,281 | 1.58% | $4.33M | New | 1.23% |
| Renaissance Technologies LLC | 86,800 | 1.52% | $4.16M | +61,363 | 0.01% |
| Connor, Clark & Lunn Investment Management Ltd. | 69,016 | 1.21% | $3.31M | +56,596 | 0.01% |
| Granahan Investment Management, LLC | 68,454 | 1.20% | $3.28M | New | 0.12% |
| Two Sigma Investments, LP | 58,815 | 1.03% | $2.82M | +33,802 | 0.00% |
| Acadian Asset Management LLC | 56,346 | 0.99% | $2.70M | – | 0.00% |
| Morgan Stanley | 50,310 | 0.88% | $2.41M | −52,067 | 0.00% |
| XTX Topco Ltd | 48,551 | 0.85% | $2.33M | +36,624 | 0.03% |
| Yelin Lapidot Holdings Management Ltd. | 44,537 | 0.78% | $2.14M | −29,228 | 0.40% |
| Apis Capital Advisors, LLC | 44,000 | 0.77% | $2.11M | New | 0.21% |
| Marshall Wace, Llp | 32,041 | 0.56% | $1.54M | −57,786 | 0.00% |
| Bnp Paribas Arbitrage, Snc | 29,866 | 0.52% | $1.43M | +24,366 | 0.00% |
| Hrt Financial LP | 28,830 | 0.51% | $1.38M | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 51 | 2M | 43.1% | 23 / 9 | 12 / 3 | 1M | 0M |
| Q1 2026 | 31 | 2M | 30.3% | 10 / 5 | 7 / 8 | 0M | 0M |
| Q4 2025 | 29 | 2M | 33.8% | 6 / 7 | 10 / 6 | 0M | 0M |
| Q3 2025 | 29 | 2M | 30.6% | 1 / 8 | 12 / 3 | 0M | 0M |
| Q2 2025 | 31 | 2M | 33.4% | 2 / 9 | 14 / 3 | 0M | 0M |
| Q1 2025 | 32 | 2M | 33.7% | 3 / 11 | 9 / 1 | 0M | 0M |
| Q4 2024 | 30 | 2M | 34.0% | 8 / 7 | 9 / 2 | 0M | 0M |
| Q3 2024 | 24 | 2M | 33.6% | 3 / 7 | 7 / 12 | 0M | 0M |
| Q2 2024 | 35 | 2M | 40.3% | 5 / 6 | 11 / 2 | 0M | 1M |
| Q1 2024 | 32 | 3M | 48.8% | 5 / 8 | 8 / 9 | 0M | 1M |
| Q4 2023 | 36 | 3M | 55.5% | 4 / 7 | 14 / 13 | 1M | 1M |
| Q3 2023 | 47 | 4M | 66.5% | 8 / 11 | 15 / 17 | 1M | 0M |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Liron Eizenman | President and CEO | 9,928 | 0.17% | Aug 13, 2026 |
| Eran Gilad | CFO | 7,000 | 0.12% | Aug 6, 2026 |
| David Hendel | VP R&D | 2,000 | 0.04% | Jul 29, 2026 |
| Daniel (Dc) Cohen | EVP Operation | 3,985 | 0.07% | Jul 29, 2026 |
| David Castiel | VP Engineering | 2,000 | 0.04% | Jul 29, 2026 |
| Yuval Karp | EVP Project Management | 2,000 | 0.04% | Jul 29, 2026 |
| Yeshayhu Orbach | Director | 0 | – | Aug 28, 2026 |
| Avinoam Eizenman | Director | 268,536 | 4.71% | Aug 18, 2026 |
| Ilan Erez | Director | – | – | Apr 14, 2026 |
| Eliyahu Doron | Director | – | – | Mar 31, 2026 |
| Ayelet Aya Hayak | Director | – | – | Mar 31, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Yeshayhu Orbach Director | Aug 24, 2026 | Sale | −2,969 | $45.00 | $133.61K | 0 |
| Avinoam Eizenman Director | Aug 17, 2026 | Sale | −20,000 | $50.50 | $1.01M | 168,736 |
| Liron Eizenman President and CEO | Aug 12, 2026 | Sale | −18,072 | $48.53 | $877.03K | 9,928 |
| Eran Gilad CFO | Aug 6, 2026 | Option exercise | +5,000 | $16.42 | $82.10K | 7,000 |
| Eran Gilad CFO | Aug 6, 2026 | Sale | −25 | $46.56 | $1.16K | 6,975 |
| Eran Gilad CFO | Aug 6, 2026 | Sale | −6,975 | $44.44 | $309.97K | 0 |
| Yeshayhu Orbach Director | Jun 18, 2026 | Option exercise | +2,969 | – | – | 2,969 |
| Liron Eizenman President and CEO | Jun 14, 2026 | Option exercise | +12,500 | – | – | 28,000 |
| David Castiel VP Engineering | Jun 14, 2026 | Option exercise | +2,000 | – | – | 2,000 |
| Daniel (Dc) Cohen EVP Operation | Jun 14, 2026 | Option exercise | +2,000 | – | – | 3,985 |
| Yuval Karp EVP Project Management | Jun 14, 2026 | Option exercise | +2,000 | – | – | 2,000 |
| David Hendel VP R&D | Jun 14, 2026 | Option exercise | +2,000 | – | – | 2,000 |
| Eran Gilad CFO | Jun 14, 2026 | Option exercise | +2,000 | – | – | 2,000 |
| Avinoam Eizenman Director | Jun 14, 2026 | Option exercise | +12,500 | – | – | 99,800 |
| Yuval Karp EVP Project Management | May 19, 2026 | Sale | −2,000 | $50.00 | $100.00K | 0 |
| David Hendel VP R&D | May 14, 2026 | Sale | −1,000 | $49.00 | $49.00K | 0 |
| Daniel (Dc) Cohen EVP Operation | May 14, 2026 | Sale | −15 | $52.00 | $780 | 1,985 |
| David Castiel VP Engineering | May 14, 2026 | Sale | −2,000 | $48.00 | $96.00K | 0 |
| David Hendel VP R&D | May 13, 2026 | Sale | −500 | $44.50 | $22.25K | 1,500 |
| David Hendel VP R&D | May 13, 2026 | Sale | −500 | $44.24 | $22.12K | 1,000 |
| Eran Gilad CFO | May 7, 2026 | Sale | −6,000 | $44.18 | $265.08K | 0 |
| David Hendel VP R&D | May 7, 2026 | Sale | −500 | $45.00 | $22.50K | 2,000 |
| Liron Eizenman President and CEO | May 7, 2026 | Sale | −8,900 | $45.23 | $402.55K | 15,500 |
| Avinoam Eizenman Director | May 7, 2026 | Sale | −9,023 | $44.66 | $402.97K | 188,736 |
| Robert Mark Sussman 10% owner | Apr 30, 2007 | Sale | −600 | $22.65 | $13.59K | 260,100 |
| Robert Mark Sussman 10% owner | Apr 27, 2007 | Buy | +2,000 | $21.11 | $42.22K | 260,700 |
| Robert Mark Sussman 10% owner | Apr 26, 2007 | Buy | +3,000 | $21.25 | $63.75K | 258,700 |
| Robert Mark Sussman 10% owner | Apr 26, 2007 | Buy | +10,000 | $21.25 | $212.50K | 255,700 |
| Robert Mark Sussman 10% owner | Apr 25, 2007 | Sale | −10,000 | $25.70 | $257.00K | 245,700 |
| Robert Mark Sussman 10% owner | Apr 25, 2007 | Sale | −10,000 | $25.70 | $257.00K | 245,700 |
| Robert Mark Sussman 10% owner | Apr 24, 2007 | Buy | +5,000 | $24.30 | $121.50K | 255,700 |
| Robert Mark Sussman 10% owner | Apr 24, 2007 | Buy | +5,000 | $24.30 | $121.50K | 255,700 |
| Robert Mark Sussman 10% owner | Apr 23, 2007 | Buy | +5,000 | $23.45 | $117.25K | 250,700 |
| Robert Mark Sussman 10% owner | Apr 23, 2007 | Buy | +5,000 | $23.45 | $117.25K | 250,700 |
| Robert Mark Sussman 10% owner | Apr 17, 2007 | Buy | +3,500 | $23.55 | $82.43K | 385,500 |
| Robert Mark Sussman 10% owner | Apr 17, 2007 | Sale | −3,500 | $23.55 | $82.43K | 245,700 |
| Robert Mark Sussman 10% owner | Apr 17, 2007 | Buy | +3,500 | $23.55 | $82.43K | 385,500 |
| Robert Mark Sussman 10% owner | Apr 17, 2007 | Sale | −3,500 | $23.55 | $82.43K | 245,700 |
| Robert Mark Sussman 10% owner | Apr 16, 2007 | Buy | +500 | $22.60 | $11.30K | 249,200 |
| Robert Mark Sussman 10% owner | Apr 16, 2007 | Buy | +500 | $22.60 | $11.30K | 249,200 |
| Robert Mark Sussman 10% owner | Apr 13, 2007 | Buy | +2,100 | $21.50 | $45.15K | 248,700 |
| Robert Mark Sussman 10% owner | Apr 13, 2007 | Buy | +2,100 | $21.50 | $45.15K | 248,700 |
| Robert Mark Sussman 10% owner | Apr 12, 2007 | Buy | +1,000 | $21.45 | $21.45K | 246,600 |
| Robert Mark Sussman 10% owner | Apr 12, 2007 | Buy | +600 | $21.50 | $12.90K | 245,600 |
| Robert Mark Sussman 10% owner | Apr 12, 2007 | Buy | +600 | $21.50 | $12.90K | 245,600 |
| Robert Mark Sussman 10% owner | Apr 12, 2007 | Buy | +1,000 | $21.45 | $21.45K | 246,600 |
| Robert Mark Sussman 10% owner | Apr 11, 2007 | Buy | +1,000 | $20.50 | $20.50K | 245,000 |
| Robert Mark Sussman 10% owner | Apr 11, 2007 | Buy | +1,000 | $20.50 | $20.50K | 245,000 |
| Robert Mark Sussman 10% owner | Apr 10, 2007 | Buy | +2,000 | $20.75 | $41.50K | 244,000 |
| Robert Mark Sussman 10% owner | Apr 10, 2007 | Buy | +2,000 | $20.75 | $41.50K | 244,000 |
| Robert Mark Sussman 10% owner | Apr 5, 2007 | Buy | +1,000 | $19.15 | $19.15K | 242,000 |
| Robert Mark Sussman 10% owner | Apr 5, 2007 | Buy | +1,000 | $19.15 | $19.15K | 242,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +3,000 | $19.13 | $57.39K | 241,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +2,000 | $19.50 | $39.00K | 238,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +200 | $17.86 | $3.57K | 236,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +200 | $17.86 | $3.57K | 236,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +2,000 | $19.50 | $39.00K | 238,000 |
| Robert Mark Sussman 10% owner | Apr 4, 2007 | Buy | +3,000 | $19.13 | $57.39K | 241,000 |
| Robert Mark Sussman 10% owner | Mar 29, 2007 | Buy | +1,000 | $16.25 | $16.25K | 382,000 |
| Robert Mark Sussman 10% owner | Mar 29, 2007 | Buy | +1,000 | $16.25 | $16.25K | 382,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
3.39%
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
+107.8%
From 0M shares
Short volume, 20 days
55.3%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Silicom's stock actually held short. Settlement fails (shares not delivered on time) peaked at 355 shares on Oct 5, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Yeshayhu Orbach Director | Aug 27, 2026 | 2,969 | $128.53K | Aug 26, 2026 | Shares issued upon vesting of RSUs |
| David Hendel Officer | Aug 18, 2026 | 2,000 | $89.78K | Aug 17, 2026 | Shares issued upon vesting of RSUs |
| Avinoam Eizenman Director | Aug 18, 2026 | 20,000 | $897.80K | Aug 17, 2026 | Purchase in open market |
| David Castiel Officer | Aug 17, 2026 | 2,000 | $89.78K | Aug 14, 2026 | Shares issued upon vesting of RSUs |
| Liron Eizenman Officer | Aug 13, 2026 | 18,072 | $829.69K | Aug 12, 2026 | Shares issued upon vesting of RSUs |
| Daniel (Dc) Cohen Officer | Aug 13, 2026 | 5,000 | $229.55K | Aug 12, 2026 | Shares acquired upon exercise of employee stock options |
| David Hendel Officer | Aug 13, 2026 | 5,000 | $229.55K | Aug 12, 2026 | Shares acquired upon exercise of employee stock options |
| Yuval Karp Officer | Aug 13, 2026 | 2,500 | $114.78K | Aug 12, 2026 | Shares acquired upon exercise of employee stock options |
| Eran Gilad Officer | Aug 6, 2026 | 7,000 | $325.85K | Aug 5, 2026 | Shares issued upon vesting of RSUs |
| Daniel (Dc) Cohen Officer | Aug 5, 2026 | 3,985 | $164.22K | Aug 4, 2026 | Shares issued upon vesting of RSUs |
| Yuval Karp Officer | May 19, 2026 | 2,000 | $96.16K | May 18, 2026 | Restricted Stock Units |
| David Hendel Officer | May 15, 2026 | 1,000 | $46.93K | May 14, 2026 | Restricted Stock Units |
| David Castiel Officer | May 15, 2026 | 2,000 | $93.86K | May 14, 2026 | Restricted Stock Units |
| David Hendel Officer | May 14, 2026 | 1,000 | $42.42K | May 13, 2026 | Restricted Stock Units |
| Eran Gilad Officer | May 8, 2026 | 6,000 | $265.14K | May 7, 2026 | Restricted Stock Units |
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