Senseonics HoldingsSENS

13F holders, Q1 2026 (March 31)
85holders
21new positions
22sold out
2famous investors
$6.66avg. 13F price*

At the end of Q1 2026, 85 institutions reported holding Senseonics Holdings Inc. (SENS) in their 13F filings, unchanged from Q4 2025. 21 opened new positions and 22 sold out. The largest holders were Sessa Capital IM, L.P. ($11.8M), Vanguard Capital Management LLC ($10.8M) and BlackRock, Inc. ($3.8M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Senseonics Holdings Inc.
CUSIP
81727U303
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q3 2025: 8Q3 2025Q4 2025: 85Q4 2025Q1 2026: 85Q1 2026Q2 2026: 107Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions21$13.7M
Exits22$3.7M

All 13F filers, Q4 2025 → Q1 2026: 3,564,737 shares bought and 1,460,947 shares sold, net +2,103,790 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 85 holders

Sessa Capital IM, L.P. 0.22% New 1,766,093 $11.8M
Vanguard Capital Management LLC 0.00% — 1,617,197 $10.8M
BlackRock, Inc. 0.00% Reduce -4.4% 568,729 $3.8M
Millennium Management 0.00% Add +453.3% 560,371 $3.7M
Masters Capital Management LLC 0.49% Add +100.0% 500,000 $3.3M
Geode Capital Management, LLC 0.00% Reduce -0.4% 466,515 $3.1M
Marshall Wace, LLP 0.00% Add +197.9% 464,375 $3.1M
UBS Group AG 0.00% Add +110.5% 448,229 $3.0M
Susquehanna International Group, LLP 0.00% Add +64.6% 230,538 $1.5M
Vanguard Fiduciary Trust Co. 0.00% — 225,167 $1.5M
Charles Schwab Investment Management Inc. 0.00% Add +0.7% 221,177 $1.5M
Hood River Capital Management LLC 0.01% Reduce -55.7% 186,426 $1.2M
State Street Corp. 0.00% Add +8.0% 180,281 $1.2M
Goldman Sachs Group Inc. 0.00% Reduce -55.4% 146,282 $974K
Morgan Stanley 0.00% Add +92.5% 123,943 $825K
Sio Capital Management, LLC 0.11% No change 115,784 $771K
Deutsche Bank AG 0.00% No change 84,177 $561K
Northern Trust Corp. 0.00% Reduce -0.4% 82,277 $548K
Citadel Advisors 0.00% New 77,162 $514K
Bank of America Corp. 0.00% Add +126.8% 56,964 $379K
Bridgeway Capital Management, LLC 0.01% New 49,600 $330K
Sei Investments Co. 0.00% Reduce -52.0% 49,592 $330K
GMT Capital Corp 0.01% No change 36,468 $243K
Jain Global LLC 0.00% Add +125.6% 35,926 $239K
Tocqueville Asset Management L.P. 0.00% New 33,500 $223K
OMERS ADMINISTRATION Corp 0.00% Reduce -45.5% 31,000 $206K
Dimensional Fund Advisors LP 0.00% Reduce -4.9% 27,651 $184K
Jefferies Financial Group Inc. 0.00% Add +83.2% 27,132 $181K
Pathstone Holdings, LLC 0.00% No change 25,000 $167K
Centiva Capital, LP 0.01% New 24,662 $164K
Symmetry Partners, LLC 0.01% Add +3.7% 24,259 $162K
Hudson Bay Capital Management LP 0.00% Add +52.0% 23,476 $156K
Squarepoint Ops LLC 0.00% Reduce -63.5% 20,634 $137K
Schonfeld Strategic Advisors LLC 0.00% Reduce -88.4% 20,412 $136K
T. Rowe Price Associates Inc. 0.00% No change 18,900 $126K
LPL Financial LLC 0.00% New 15,818 $105K
Vanguard Global Advisers, LLC 0.00% — 15,568 $104K
Catalyst Funds Management Pty Ltd 0.02% New 15,300 $102K
FMR LLC 0.00% Add +2343.8% 14,736 $98K
Susquehanna Portfolio Strategies, LLC 0.00% New 14,045 $94K
Captrust Financial Advisors 0.00% No change 13,975 $93K
Diametric Capital, LP 0.02% New 13,412 $89K
Brevan Howard Capital Management LP 0.00% New 13,097 $87K
Cetera Investment Advisers 0.00% New 12,694 $85K
Townsend Asset Management Corp. /NC/ 0.03% No change 10,928 $73K
Two Sigma Securities, LLC 0.01% New 10,220 $68K
Kestra Advisory Services, LLC 0.00% New 10,186 $68K
Quantbot Technologies LP 0.00% Reduce -74.6% 6,240 $42K
Tower Research Capital LLC (TRC) 0.00% Reduce -66.2% 4,824 $32K
Group One Trading LLC 0.00% Add +73.7% 4,569 $30K
Royal Bank of Canada 0.00% Add +1.7% 4,542 $29K
Osaic Holdings, Inc. 0.00% Reduce -24.4% 1,903 $13K
Tidemark, LLC 0.00% No change 1,583 $11K
Wells Fargo & Company 0.00% Reduce -0.1% 1,424 $9K
IFP Advisors, Inc 0.00% No change 1,125 $7K
Tsfg, LLC 0.00% No change 1,125 $7K
NFSG Corp 0.00% No change 920 $6K
Parallel Advisors, LLC 0.00% New 917 $6K
Cassaday & Co Wealth Management LLC 0.00% New 760 $5K
Barclays PLC 0.00% Reduce -98.3% 638 $4K
Rockefeller Capital Management L.P. 0.00% No change 540 $4K
Allworth Financial LP 0.00% Reduce -86.1% 201 $1K
PlanVest Financial, Inc 0.00% — 186 $1K
Cwm, LLC 0.00% Add +50.0% 150 $999
Harbour Investments, Inc. 0.00% New 144 $959
EverSource Wealth Advisors, LLC 0.00% New 141 $939
Smartleaf Asset Management LLC 0.00% No change 150 $927
City State Bank 0.00% No change 138 $919
NewEdge Advisors, LLC 0.00% No change 100 $666
Federation des caisses Desjardins du Quebec 0.00% No change 100 $666
National Bank of Canada 0.00% Reduce -63.6% 100 $661
SBI Securities Co., Ltd. 0.00% Reduce -6.0% 78 $519
Truvestments Capital LLC 0.00% No change 50 $333
Signaturefd, LLC 0.00% No change 50 $333
McIlrath & Eck, LLC 0.00% No change 50 $333
International Assets Investment Management, LLC 0.00% No change 50 $333
Citigroup Inc. 0.00% Reduce -99.3% 49 $326
BNP Paribas Financial Markets 0.00% No change 42 $280
Root Financial Partners, LLC 0.00% No change 38 $253
YANKCOM Partnership 0.00% No change 22 $147
Advisory Services Network, LLC 0.00% New 16 $107
Gill Capital Partners, LLC 0.00% New 10 $67
Russell Investments Group, Ltd. 0.00% New 7 $47
Bogart Wealth, LLC 0.00% New 3 $20
Pinnacle Wealth Planning Services, Inc. 0.00% No change 2 $13

"% of holder's portfolio" is SENS's weight in each manager's 13F, not the share of Senseonics Holdings Inc. the manager owns.