ISIN: US98420X2027 · X4 Pharmaceuticals Inc · © Federal Gazette

Short Selling Alert: Arrowstreet Capital, Limited Partnership

Message date: 29th April 2025

Termsheet of the Shortselling Transaction

Opened a short position in this security on 29th April 2025. This is the short seller's first exposure with respect to this company.
Snapshot transaction history
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2,07%

Two (2) companies specializing in short selling have X4 Pharmaceuticals Inc on their short-selling radar. The total share of all short selling positions is 2,80%. The largest share is held by Arrowstreet Capital, Limited Partnership with 2,07%.
Weighting of the position within the overall ranking: 47

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SSR reporting for: 29th April 2025

Short Selling Radar - First-time Engagements

This overview only shows positions where a short seller targets a company for the first time. This is the initial transaction that triggers a reporting obligation and is thus registered as a net short position.
There is always a 1-1 relationship between short seller and company. If several short sellers pursue the same goal, these can be taken from the short sale statistics.
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US98420X2027
Short Selling Transaction Report from
29th April 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 29th April 2025. This is the short seller's first exposure with respect to this company.
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2,07%

Two (2) companies specializing in short selling have X4 Pharmaceuticals Inc on their short-selling radar. The total share of all short selling positions is 2,80%. The largest share is held by Arrowstreet Capital, Limited Partnership with 2,07%.
Weighting of the position within the overall ranking: 47
More info:
US81750R2013
Short Selling Transaction Report from
24th April 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 24th April 2025. This is the short seller's first exposure with respect to this company.
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2,08%

One (1) companies specializing in short selling have Seres Therapeutics Inc on their short-selling radar. The total share of all short selling positions is 2,08%. The largest share is held by Arrowstreet Capital, Limited Partnership with 2,08%.
Weighting of the position within the overall ranking: 46
More info:
US87978U2078
Short Selling Transaction Report from
10th April 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 10th April 2025. This is the short seller's first exposure with respect to this company.
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1,13%

One (1) companies specializing in short selling have Tempest Therapeutics on their short-selling radar. The total share of all short selling positions is 1,13%. The largest share is held by Arrowstreet Capital, Limited Partnership with 1,13%.
Weighting of the position within the overall ranking: 195
More info:
IT0003549422
Short Selling Transaction Report from
1st April 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 1st April 2025. This is the short seller's first exposure with respect to this company.
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0,50%

Two (2) companies specializing in short selling have SANLORENZO SPA on their short-selling radar. The total share of all short selling positions is 1,40%. The largest share is held by Boldhaven Management LLP with 0,90%.
Weighting of the position within the overall ranking: 962
More info:
CA46500E8678
Short Selling Transaction Report from
25th March 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 25th March 2025. This is the short seller's first exposure with respect to this company.
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0,56%

One (1) companies specializing in short selling have Isoenergy Ltd on their short-selling radar. The total share of all short selling positions is 0,56%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,56%.
Weighting of the position within the overall ranking: 758
More info:
GB00BP6S8Z30
Short Selling Transaction Report from
10th March 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 10th March 2025. This is the short seller's first exposure with respect to this company.
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0,51%

Seven (7) companies specializing in short selling have Oxford Nanopore Technologies PLC on their short-selling radar. The total share of all short selling positions is 4,84%. The largest share is held by Qube Research & Technologies Limited with 1,60%.
Weighting of the position within the overall ranking: 630
More info:
GB00BMTV7393
Short Selling Transaction Report from
6th March 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 6th March 2025. This is the short seller's first exposure with respect to this company.
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0,51%

One (1) companies specializing in short selling have THG PLC on their short-selling radar. The total share of all short selling positions is 1,20%. The largest share is held by BlackRock Investment Management (UK) Limited with 1,20%.
Weighting of the position within the overall ranking: 632
More info:
US44888K4076
Short Selling Transaction Report from
14th February 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 14th February 2025. This is the short seller's first exposure with respect to this company.
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0,72%

One (1) companies specializing in short selling have Hydrofarm Holdings Group Inc on their short-selling radar. The total share of all short selling positions is 0,72%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,72%.
Weighting of the position within the overall ranking: 435
More info:
GB00BN7CG237
Short Selling Transaction Report from
12th February 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 12th February 2025. This is the short seller's first exposure with respect to this company.
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0,51%

Thirty (30) companies specializing in short selling have Aston Martin Lagonda Global Holdings PLC on their short-selling radar. The total share of all short selling positions is 13,03%. The largest share is held by Qube Research & Technologies Limited with 1,92%.
Weighting of the position within the overall ranking: 639
More info:
BE0003822393
Short Selling Transaction Report from
5th February 2025

Termsheet of the Shortselling Transaction

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Opened a short position in this security on 5th February 2025. This is the short seller's first exposure with respect to this company.
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0,50%

Four (4) companies specializing in short selling have ELIA GROUP on their short-selling radar. The total share of all short selling positions is 2,17%. The largest share is held by Millennium Capital Partners LLP with 0,64%.
Weighting of the position within the overall ranking: 260
More info:
GB00BRJQ8J25
Short Selling Transaction Report from
4th February 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 4th February 2025. This is the short seller's first exposure with respect to this company.
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0,50%

Seven (7) companies specializing in short selling have HAMMERSON PLC on their short-selling radar. The total share of all short selling positions is 5,32%. The largest share is held by Caxton Associates LLP with 1,09%.
Weighting of the position within the overall ranking: 825
More info:
US83086J2006
Short Selling Transaction Report from
3rd February 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 3rd February 2025. This is the short seller's first exposure with respect to this company.
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0,79%

One (1) companies specializing in short selling have Skye Bioscience Inc on their short-selling radar. The total share of all short selling positions is 0,79%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,79%.
Weighting of the position within the overall ranking: 372
More info:
US09075F4046
Short Selling Transaction Report from
28th January 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 28th January 2025. This is the short seller's first exposure with respect to this company.
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2,73%

Two (2) companies specializing in short selling have Bionano Genomics Inc on their short-selling radar. The total share of all short selling positions is 2,94%. The largest share is held by Arrowstreet Capital, Limited Partnership with 2,73%.
Weighting of the position within the overall ranking: 15
More info:
US68404V2097
Short Selling Transaction Report from
3rd January 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 3rd January 2025. This is the short seller's first exposure with respect to this company.
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0,62%

One (1) companies specializing in short selling have Optinose Inc on their short-selling radar. The total share of all short selling positions is 0,62%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,62%.
Weighting of the position within the overall ranking: 596
More info:
NL0010801007
Short Selling Transaction Report from
2nd January 2025

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 2nd January 2025. This is the short seller's first exposure with respect to this company.
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0,64%

One (1) companies specializing in short selling have IMCD NV on their short-selling radar. The total share of all short selling positions is 0,64%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,64%.
Weighting of the position within the overall ranking: 287
More info:
GB00BYMF3676
Short Selling Transaction Report from
30th December 2024

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 30th December 2024. This is the short seller's first exposure with respect to this company.
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0,50%

Two (2) companies specializing in short selling have Warpaint London plc on their short-selling radar. The total share of all short selling positions is 1,47%. The largest share is held by JPMorgan Asset Management (UK) Ltd with 0,97%.
Weighting of the position within the overall ranking: 849
More info:
JE00BTDN8H13
Short Selling Transaction Report from
19th December 2024

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 19th December 2024. This is the short seller's first exposure with respect to this company.
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1,13%

Two (2) companies specializing in short selling have Aptiv Irish Holdings Ltd on their short-selling radar. The total share of all short selling positions is 2,13%. The largest share is held by Arrowstreet Capital, Limited Partnership with 1,13%.
Weighting of the position within the overall ranking: 196
More info:
GB00BNTVWJ75
Short Selling Transaction Report from
13th December 2024

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 13th December 2024. This is the short seller's first exposure with respect to this company.
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0,52%

Three (3) companies specializing in short selling have SYNTHOMER PLC on their short-selling radar. The total share of all short selling positions is 1,00%. The largest share is held by GLG Partners LP with 0,49%.
Weighting of the position within the overall ranking: 539
More info:
US34379V1035
Short Selling Transaction Report from
12th December 2024

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 12th December 2024. This is the short seller's first exposure with respect to this company.
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1,03%

Two (2) companies specializing in short selling have Fluence Energy Inc on their short-selling radar. The total share of all short selling positions is 1,49%. The largest share is held by Arrowstreet Capital, Limited Partnership with 1,03%.
Weighting of the position within the overall ranking: 235
More info:
AU0000058737
Short Selling Transaction Report from
6th December 2024

Termsheet of the Shortselling Transaction

Arrowstreet Capital, Limited Partnership
Opened a short position in this security on 6th December 2024. This is the short seller's first exposure with respect to this company.
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0,51%

One (1) companies specializing in short selling have Lotus Resources Ltd on their short-selling radar. The total share of all short selling positions is 0,51%. The largest share is held by Arrowstreet Capital, Limited Partnership with 0,51%.
Weighting of the position within the overall ranking: 992
More info:
Note

The content compiled in this section and all sub-pages is for general information purposes. It is not an investment or other form of advice. The information has been prepared with the utmost care and accuracy. Source data has been obtained from the respective institution or agency responsible for the publication. If you are interested in publications on net short positions related to a specific country, you can go to the individual overviews from here. Before further inclusion, e.g. in investment or investment decisions, validation via another source is recommended.

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