Big Rock Partners Acquisition Corp

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Big Rock Partners Acquisition Corp
TickerNRXP
CIK #0001719406
CUSIP629444100
SectorReal Estate & Construction - Blank Checks
Address2645 N Federal Highway Suite 230, Delray Beach, FL 33483
Source [EDGAR]
CIK Filing 2011 - 2025
[0001719406] 10-K
[0001719406] 10-Q
[0001719406] 3
[0001719406] 4
[0001719406] 5
[0001719406] 8-K
[0001719406] D
[0001719406] SC 13D
[0001719406] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Anson Funds Management LP NRX Pharmaceuticals Inc [2025-05-15] 0.0
Javitt Daniel C NRX Pharmaceuticals Inc [2022-09-13] 14.6
Javitt Jonathan C NRX Pharmaceuticals Inc [2022-06-03] 22.3
Javitt Jonathan C NRX Pharmaceuticals Inc [2021-06-03] 60.66
K2 Principal Fund LP Big Rock Partners Acquisition Corp [2020-02-13] 7.14
Magnetar Financial LLC Big Rock Partners Acquisition Corp [2020-02-13] 7.66
Oxford Asset Management LLP Big Rock Partners Acquisition Corp [2020-02-13] 7.11
HGC Investment Management Inc Big Rock Partners Acquisition Corp [2019-02-13] 5.32
BRAC Lending Group LLC Big Rock Partners Acquisition Corp [2018-11-26] 18.1
Polar Asset Management Partners Inc Big Rock Partners Acquisition Corp [2018-02-13] 8.63
HGC Investment Management Inc Big Rock Partners Acquisition Corp [2018-02-01] 5.07
Big Rock Partners Sponsor LLC Big Rock Partners Acquisition Corp [2017-12-22] 0.0
Boothbay Fund Management LLC Big Rock Partners Acquisition Corp [2017-12-08] 5.5
Boothbay Fund Management LLC Big Rock Partners Acquisition Corp [2017-11-28] 5.96
Form 3/4/5 Filer 2011 - 2025
NRX Pharmaceuticals, Inc.
Abrams Michael S
Javitt Jonathan C
McBride Dennis
Rehnquist Janet
Narido Richard Clavano
Hurvitz Chaim
Gorovitz Aaron
van Voorhees Seth
Willard Stephen H
Javitt Daniel C.
Flynn Patrick John
Glied Sharon
Strassberg Ira S
Besthof Robert
McMaster Herbert Raymond
Daigneault Alessandra
Troy Daniel
Fricker William
Big Rock Partners Sponsor, LLC
Ackerman Richard
BRAC Lending Group LLC
Polar Asset Management Partners Inc.
Nussbaum David M
Levine Steven
Birdoff Richard
Fong Michael
Koenig Stuart F.
Rex Albert G
Taylor Troy T
Kim Bennett
Wittman Lori
Form 13F Holdings
Firm Period DFND Voting Shares
Anson Funds Management LP [2025-06-30] DFND 1,604,975 1,604,975
Vanguard Group Inc [2025-06-30] SOLE 0 452,175
Advisorshares Investments LLC [2025-06-30] SOLE 263,797 263,797
Geode Capital Management LLC [2025-06-30] DFND 172,255 172,255
UBS Group AG [2025-06-30] DFND 121,608 121,608
Citadel Advisors LLC [2025-06-30] DFND 92,361 92,361
BlackRock, Inc. [2025-06-30] SOLE 64,400 64,400
State Street Corp [2025-06-30] DFND 51,084 51,084
Squarepoint Ops LLC [2025-06-30] DFND 0 42,202
Marshall Wace LLP [2025-06-30] OTR 0 33,384
Two Sigma Investments LP [2025-06-30] SOLE 31,452 31,452
Northern Trust Corp [2025-06-30] DFND 28,601 28,601
One Wealth Management Investment & Advisory Services, LLC [2025-06-30] SOLE 0 15,041
Morgan Stanley [2025-06-30] DFND 0 4,396
Bank of America Corp /DE/ [2025-06-30] DFND 3,226 3,524
SBI Securities Co., Ltd. [2025-06-30] DFND 3,392 3,392
Group One Trading LLC [2025-06-30] SOLE 3,108 3,108
Raymond James Financial Inc [2025-06-30] DFND 0 2,571
Wells Fargo & Company/MN [2025-06-30] DFND 0 2,000
Tower Research Capital LLC (TRC) [2025-06-30] DFND 1,156 1,156
Simplex Trading LLC [2025-06-30] SOLE 690 690
Osaic Holdings Inc [2025-06-30] DFND 0 90
Carolina Wealth Advisors LLC [2025-06-30] SOLE 0 50
JPMorgan Chase & Co [2025-06-30] DFND 34 34
Larson Financial Group LLC [2025-06-30] SOLE 0 22
Concourse Financial Group Securities Inc [2025-06-30] SOLE 0 0
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