SENSEONICS HOLDINGS INC (SENS) Institutional Ownership Changes & 13F Activity
SENSEONICS HOLDINGS INC (SENS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Sessa Capital Im, L.P., Avidity Partners Management Lp, Sio Capital Management, Llc, Millennium Management Llc, and Bank Of America Corp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +330,836 | +183.5% | 511,117 | $2.90M | Q2 2026 | Sep 22, 2026 |
| Manufacturers Life Insurance Company, The | Buy | +11,460 | — | 11,460 | $65.09K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -43,370 | -56.2% | 33,792 | $191.94K | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +543 | — | 543 | $3.08K | Q2 2026 | Aug 24, 2026 |
| Stonepine Capital Management, Llc | Buy | +48,680 | — | 48,680 | $276.50K | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Sell | -9,129 | -33.6% | 18,003 | $102.26K | Q2 2026 | Aug 17, 2026 |
| Sessa Capital Im, L.P. | Buy | +2,671,439 | +151.3% | 4,437,532 | $25.21M | Q2 2026 | Aug 14, 2026 |
| Avidity Partners Management Lp | Buy | +1,600,000 | — | 1,600,000 | $9.09M | Q2 2026 | Aug 14, 2026 |
| Sio Capital Management, Llc | Buy | +1,476,908 | +1275.6% | 1,592,692 | $9.05M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -481,153 | -85.9% | 79,218 | $449.96K | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +337,501 | +592.5% | 394,465 | $2.24M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -217,683 | -94.4% | 12,855 | $73.02K | Q2 2026 | Aug 14, 2026 |
| Masters Capital Management Llc | Buy | +200,000 | +40.0% | 700,000 | $3.98M | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +172,034 | +77.8% | 393,211 | $2.23M | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Buy | +135,128 | — | 135,128 | $767.53K | Q2 2026 | Aug 14, 2026 |
| Ghisallo Capital Management Llc | Buy | +125,000 | — | 125,000 | $710.00K | Q2 2026 | Aug 14, 2026 |
| Readystate Asset Management Lp | Buy | +101,000 | — | 101,000 | $573.68K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +85,227 | +58.3% | 231,509 | $1.31M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +36,936 | — | 36,936 | $209.80K | Q2 2026 | Aug 14, 2026 |
| Sei Investments Co | Buy | +36,146 | +72.9% | 85,738 | $486.99K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +35,989 | +2527.3% | 37,413 | $212.51K | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +32,375 | +171.3% | 51,275 | $292.00K | Q2 2026 | Aug 14, 2026 |
| Metlife Investment Management, Llc | Buy | +23,638 | — | 23,638 | $134.26K | Q2 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Buy | +18,700 | +37.7% | 68,300 | $387.94K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +18,331 | — | 18,331 | $104.12K | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +18,167 | — | 18,167 | $103.19K | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management Lp | Buy | +15,814 | +120.7% | 28,911 | $164.21K | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +12,000 | — | 12,000 | $79.92K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -9,478 | -45.9% | 11,156 | $63.37K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +7,997 | +1253.4% | 8,635 | $49.05K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about SENS activity
Which institutional owners are buying SENS?
Institutional owners buying SENS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SENS activity?
"Buy" means an investor increased their reported position in SENS compared to the prior reporting period. This reflects growing exposure to SENSEONICS HOLDINGS INC (SENS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SENS increasing?
Institutional interest in SENS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related SENS Institutional Insights
- SENS Overview
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- Healthcare Sector Institutional Ownership
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- Institutional Portfolio Overlap & Shared Holdings
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- SENS Insider Trading & SEC Form 4 Activity
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