Arsanis Inc
- Stock Issuer and Owners
| Message |
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| Arsanis Inc |
| Ticker | XFOR |
| CIK # | 0001501697 |
| CUSIP | 98420X103 |
| Sector | Life Sciences - Biological Products, (No Disgnostic Substances) |
| Address | 890 Winter Street, Suite 230, Waltham, MA 02451 |
| Source |
[EDGAR]
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| Form 3/4/5 Filer |
2011 - 2025 |
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X4 Pharmaceuticals, Inc
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Kirske David
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Volpone John
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Craig Adam R
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Thoren Natasha Fay
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McGirr David W J
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Stewart Murray
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de Craecker Francoise
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Bridger Gary
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Woods Keith
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Wyzga Michael S
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Baldry Mark
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Arbet-Engels Christophe
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Mostafa Adam S.
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Ragan Paula
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DiBiase Mary
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Taveras Arthur
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Aliski William
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Lawton Alison Frances
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Meisner Derek M
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Cadavid Diego
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Russo Rene
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Skerlj Renato
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Kelley Lynne E
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Blech Isaac
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Gray Michael
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Behbahani Ali
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Chang Carmen
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Schulman Amy W
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McGuire Terrance
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Gerngross Tillman U.
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Clark William D
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Gordon Carl L
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Nessi Claudio
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Ross Michael Jay
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Nagy Eszter
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Stevens Anthony Chris
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Mantus David
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Makhzoumi Mohamad
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Puttagunta Chetan
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Sakoda Jon
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Sandell Scott D
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Sonsini Peter W.
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Bill & Melinda Gates Foundation
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Viswanathan Ravi
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EMBL Technology Fund II GmbH & Co. KG
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EMBL Ventures Verwaltungs GmbH
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Muhlenbeck Frank
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Adams Jan
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Herr Stefan
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NeoMed Management (Jersey) Ltd
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NeoMed Innovation V L.P.
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NeoMed Innovation V Ltd
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GV 2016 GP LLC
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GV 2016 GP LP
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Alphabet Inc.
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GV 2016 LP
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Anna-Maria & Stephen Kellen Foundation, Inc.
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Section 32 GP 1, LLC
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Maris William J
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Section 32 Fund 1, LP
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SVLSF V LLC
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SV Life Sciences Fund V Strategic Partners, L.P.
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SV Life Sciences Fund VI, L.P.
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SV Life Sciences Fund VI Strategic Partners, L.P.
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SV Life Sciences Fund V LP
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OrbiMed Advisors LLC
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OrbiMed Capital GP IV LLC
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Isaly Samuel D
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Polaris Venture Partners Founders' Fund V, L.P.
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Polaris Venture Management Co. V, L.L.C.
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Flint Jonathan A
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Polaris Venture Partners V, L.P.
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Polaris Venture Partners Entrepreneurs' Fund V, L.P.
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Polaris Venture Partners Special Founders' Fund V, L.P.
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Alexandria Venture Investments, LLC
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NEA Partners 16, L.P.
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New Enterprise Associates 16, L.P.
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NEA 16 GP LLC
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Barris Peter J
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Baskett Forest
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Florence Anthony A. Jr.
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Mott David M
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SVLSF VI LLC
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| Form 13F Holdings |
| Firm |
Period |
DFND |
Voting |
Shares |
| Bain Capital Life Sciences Investors, LLC |
[2025-06-30]
|
SOLE |
563,859 |
563,859 |
| NEA Management Company LLC |
[2025-06-30]
|
DFND |
499,559 |
499,559 |
| Kingdon Capital Management LLC |
[2025-06-30]
|
DFND |
233,332 |
233,332 |
| Vanguard Group Inc |
[2025-06-30]
|
SOLE |
0 |
230,627 |
| BlackRock, Inc. |
[2025-06-30]
|
SOLE |
178,557 |
179,228 |
| Susquehanna International Group LLP |
[2025-06-30]
|
OTR |
34,821 |
162,721 |
| Acorn Capital Advisors LLC |
[2025-06-30]
|
SOLE |
153,730 |
153,730 |
| GSA Capital Partners LLP |
[2025-06-30]
|
SOLE |
132,724 |
132,724 |
| UBS Group AG |
[2025-06-30]
|
DFND |
109,927 |
109,959 |
| Jane Street Group LLC |
[2025-06-30]
|
DFND |
97,344 |
97,344 |
| Bank of America Corp /DE/ |
[2025-06-30]
|
DFND |
0 |
80,316 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM |
[2025-06-30]
|
DFND |
80,000 |
80,000 |
| Millennium Management LLC |
[2025-06-30]
|
SOLE |
78,061 |
78,061 |
| Pale Fire Capital SE |
[2025-06-30]
|
DFND |
0 |
60,051 |
| Geode Capital Management LLC |
[2025-06-30]
|
DFND |
49,146 |
49,146 |
| Squarepoint Ops LLC |
[2025-06-30]
|
DFND |
0 |
38,982 |
| AQR Capital Management LLC |
[2025-06-30]
|
DFND |
26,240 |
26,240 |
| Point72 Asset Management LP |
[2025-06-30]
|
DFND |
0 |
21,667 |
| Goldman Sachs Group Inc |
[2025-06-30]
|
DFND |
18,864 |
18,864 |
| Renaissance Technologies LLC |
[2025-06-30]
|
SOLE |
17,366 |
17,366 |
| State Street Corp |
[2025-06-30]
|
DFND |
15,534 |
15,534 |
| Virtu Financial LLC |
[2025-06-30]
|
DFND |
12,587 |
12,587 |
| Schonfeld Strategic Advisors LLC |
[2025-06-30]
|
SOLE |
11,261 |
11,261 |
| Morgan Stanley |
[2025-06-30]
|
DFND |
10,395 |
10,924 |
| HRT Financial LP |
[2025-06-30]
|
DFND |
10,548 |
10,548 |
| Russell Investments Group, Ltd. |
[2025-06-30]
|
DFND |
9,727 |
9,727 |
| Tower Research Capital LLC (TRC) |
[2025-06-30]
|
DFND |
5,203 |
5,203 |
| Group One Trading LLC |
[2025-06-30]
|
SOLE |
3,998 |
3,998 |
| Royal Bank of Canada |
[2025-06-30]
|
DFND |
3,078 |
3,078 |
| CWM LLC |
[2025-06-30]
|
SOLE |
0 |
2,414 |
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