On this page, we present all of the funds holding APTM from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding APTM, with a link to that fund's top holdings. The next columns indicate the amount of APTM stock held by each of the funds holding APTM, followed by the APTM position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 34 funds holding APTM within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Vivaldi Asset Management LLC. For more details on the positions held by Vivaldi Asset Management LLC (or by any of the other funds holding APTM), click the fund name in the "Holder" column of the funds-holding-APTM table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Vivaldi Asset Management LLC	1,549,812	$16,583	12/31/2023
APTM	1,549,812	$16,583	12/31/2023
Millennium Management LLC	1,324,566	$14,173	12/31/2023
APTM	1,324,566	$14,173	12/31/2023
Apollo Management Holdings L.P.	1,294,000	$13,846	12/31/2023
APTM	1,294,000	$13,846	12/31/2023
Westchester Capital Management LLC	1,248,826	$13,362	12/31/2023
APTM	1,248,826	$13,362	12/31/2023
Berkley W R Corp	766,105	$8,197	12/31/2023
APTM	766,105	$8,197	12/31/2023
Calamos Advisors LLC	750,000	$8,025	12/31/2023
APTM	750,000	$8,025	12/31/2023
Kim LLC	667,313	$7,140	12/31/2023
APTM	667,313	$7,140	12/31/2023
Atalaya Capital Management LP	500,000	$5,350	12/31/2023
APTM	500,000	$5,350	12/31/2023
Glazer Capital LLC	460,857	$4,931	12/31/2023
APTM	460,857	$4,931	12/31/2023
Hudson Bay Capital Management LP	358,425	$3,835	12/31/2023
APTM	358,425	$3,835	12/31/2023
Walleye Capital LLC	319,210	$3,416	12/31/2023
APTM	319,210	$3,416	12/31/2023
Periscope Capital Inc.	312,156	$3,340	12/31/2023
APTM	312,156	$3,340	12/31/2023
Radcliffe Capital Management L.P.	301,765	$3,229	12/31/2023
APTM	301,765	$3,229	12/31/2023
Centiva Capital LP	299,433	$3,204	12/31/2023
APTM	299,433	$3,204	12/31/2023
CNH Partners LLC	299,038	$3,200	12/31/2023
APTM	299,038	$3,200	12/31/2023
Cowen AND Company LLC	257,803	$2,758	12/31/2023
APTM	257,803	$2,758	12/31/2023
UBS Oconnor LLC	255,100	$2,730	12/31/2023
APTM	255,100	$2,730	12/31/2023
Meteora Capital LLC	235,447	$2,519	12/31/2023
APTM	235,447	$2,519	12/31/2023
Saba Capital Management L.P.	225,026	$2,408	12/31/2023
APTM	225,026	$2,408	12/31/2023
Aristeia Capital LLC	199,880	$2,139	12/31/2023
APTM	199,880	$2,139	12/31/2023
Sandia Investment Management LP	189,720	$2,030	12/31/2023
APTM	189,720	$2,030	12/31/2023
Bulldog Investors LLC	166,579	$1,782	12/31/2023
APTM	166,579	$1,782	12/31/2023
Walleye Trading LLC	166,005	$1,776	12/31/2023
APTM	166,005	$1,776	12/31/2023
Exos TFP Holdings LLC	139,121	$1,489	12/31/2023
APTM	139,121	$1,489	12/31/2023
Wealthspring Capital LLC	131,739	$1,402	03/31/2024
APTM	131,739	$1,402	03/31/2024
Cohanzick Management LLC	100,000	$1,070	12/31/2023
APTM	100,000	$1,070	12/31/2023
Mizuho Securities USA LLC	99,335	$1,058	12/31/2023
APTM	99,335	$1,058	12/31/2023
Quarry LP	79,143	$847	12/31/2023
APTM	79,143	$847	12/31/2023
Picton Mahoney Asset Management	67,606	$724	12/31/2023
APTM	67,606	$724	12/31/2023
Karpus Management Inc.	41,775	$447	12/31/2023
APTM	41,775	$447	12/31/2023
Susquehanna International Group LLP	31,244	$334	12/31/2023
APTM	31,244	$334	12/31/2023
Wolverine Asset Management LLC	15,161	$162	12/31/2023
APTM	15,161	$162	12/31/2023
Robinson Capital Management LLC	12,250	$131	12/31/2023
APTM	12,250	$131	12/31/2023
PenderFund Capital Management Ltd.	56	$1	12/31/2023
APTM	56	$1	12/31/2023
Proequities Inc.	0	$0	12/31/2023
APTM	0	$0	12/31/2023