Who owns SNSEEUR stock?

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View all 20 holding institutions

Notable Holders

SNSEEUR ranks #7635 out of 36163 tracked stocks by institutional interest, inside the more closely watched half of our coverage.

SNSEEUR is a disclosed holding of Jim Simons (Renaissance Technologies), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.

20 institutions disclose a position in SNSEEUR, but none treat it as a major bet — even Catalio Capital Management, LP, its most concentrated holder, allocates just 0.0% of its own portfolio to it.

Ikarian Capital, LLC has trimmed its SNSEEUR position for two straight quarters, cutting it by $211.4K while still holding $177.3K.

Note: Data on this page is curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, dedicated to providing accurate insider trading and institutional portfolio reports. Please credit the source when reposting.

Price Chart

SNSEEUR Quarterly 13F Institutional Trade Shifts

Recent Activity

+$628.5K

Total Buy Value

$4.3M

Total Sell Value

New buy15

Trim0

Add0

Sold out4

Net Buyers

Net Sellers

Smart Money Convergence

SNSEEUR does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.

13F data as of 2025-03-31 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.

Recent SNSEEUR Insider Buying & Selling Activity (Form 4)

Congress Trading (STOCK Act)

Form 144 Pre-Sale Notices

No Form 144 planned sale filings in the last 90 days

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

CUSIP

81728A108

FAQ

Who are the top institutional investors holding SENSEI BIOTHERAPEUTICS INC (SNSEEUR)?

Major stakeholders currently include Vanguard Group Inc ($230.7K), Ikarian Capital, LLC ($177.3K), Catalio Capital Management, LP ($116.0K). Based on the latest 13F filings, there are a total of 20 tracked investment funds and institutions maintaining positions in SNSEEUR.

What is the overall institutional sentiment toward SNSEEUR recently?

Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $284.5K, driven by 15 managers accumulating shares while 4 reduced their exposure.

Which institutions have been selling or reducing their SNSEEUR positions?

In the latest period, 0 funds trimmed their holdings, and 4 managers completely exited their positions. The aggregate reported sell value was $4.3M.

Are there any notable investors adding SNSEEUR to their portfolios?

Yes, buying activity remains notable. 15 institutions opened new positions in {ticker}, and 0 existing holders added to their shares. The total reported buy value for the quarter amounted to $628.5K.

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Developer Access

Access SNSEEUR's institutional ownership data programmatically:

REST API

curl https://alphasmo.com/api/v1/market/stock/SNSEEUR

CLI

npx alphasmo stocks get SNSEEUR

Full API & MCP documentation →