On this page, we present all of the funds holding AAOI from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding AAOI, with a link to that fund's top holdings. The next columns indicate the amount of AAOI stock held by each of the funds holding AAOI, followed by the AAOI position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 111 funds holding AAOI within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Driehaus Capital Management LLC. For more details on the positions held by Driehaus Capital Management LLC (or by any of the other funds holding AAOI), click the fund name in the "Holder" column of the funds-holding-AAOI table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Driehaus Capital Management LLC	2,766,318	$53,445	12/31/2023
AAOI	2,766,318	$53,445	12/31/2023
Portolan Capital Management LLC	1,539,083	$29,735	12/31/2023
AAOI	1,539,083	$29,735	12/31/2023
Vanguard Group Inc.	1,512,221	$29,216	12/31/2023
AAOI	1,512,221	$29,216	12/31/2023
Hood River Capital Management LLC	1,351,123	$26,104	12/31/2023
AAOI	1,351,123	$26,104	12/31/2023
Jane Street Group LLC		$24,183	12/31/2023
AAOI	931,347	$17,994	12/31/2023
Call	357,900	$6,915	12/31/2023
Put	37,600	$726	12/31/2023
Whale Rock Capital Management LLC	1,025,785	$19,818	12/31/2023
AAOI	1,025,785	$19,818	12/31/2023
Royce & Associates LP	1,005,433	$19,425	12/31/2023
AAOI	1,005,433	$19,425	12/31/2023
Oberweis Asset Management Inc.	891,915	$17,232	12/31/2023
AAOI	891,915	$17,232	12/31/2023
Goldman Sachs Group Inc.	853,948	$16,498	12/31/2023
AAOI	853,948	$16,498	12/31/2023
Susquehanna International Group LLP		$15,550	12/31/2023
Call	543,700	$10,504	12/31/2023
AAOI	509,144	$9,837	12/31/2023
Put	248,000	$4,791	12/31/2023
Morgan Stanley	733,620	$14,174	12/31/2023
AAOI	733,620	$14,174	12/31/2023
BlackRock Inc.	728,128	$14,067	12/31/2023
AAOI	728,128	$14,067	12/31/2023
CloudAlpha Capital Management Limited Hong Kong	637,200	$12,311	12/31/2023
AAOI	637,200	$12,311	12/31/2023
Millennium Management LLC	633,264	$12,235	12/31/2023
AAOI	633,264	$12,235	12/31/2023
Anatole Investment Management Ltd	525,222	$10,147	12/31/2023
AAOI	525,222	$10,147	12/31/2023
SG Americas Securities LLC	502,879	$9,716	12/31/2023
AAOI	502,879	$9,716	12/31/2023
Assenagon Asset Management S.A.	631,799	$8,757	03/31/2024
AAOI	631,799	$8,757	03/31/2024
Ameriprise Financial Inc.	452,491	$8,742	12/31/2023
AAOI	452,491	$8,742	12/31/2023
Invesco Ltd.	449,099	$8,677	12/31/2023
AAOI	449,099	$8,677	12/31/2023
Laurion Capital Management LP	413,611	$7,991	12/31/2023
AAOI	413,611	$7,991	12/31/2023
D. E. Shaw & Co. Inc.		$7,449	12/31/2023
AAOI	343,393	$6,634	12/31/2023
Call	53,900	$1,041	12/31/2023
Put	11,700	$226	12/31/2023
Geode Capital Management LLC	379,194	$7,328	12/31/2023
AAOI	379,194	$7,328	12/31/2023
American Century Companies Inc.	343,339	$6,633	12/31/2023
AAOI	343,339	$6,633	12/31/2023
Citigroup Inc.	319,595	$6,175	12/31/2023
AAOI	319,595	$6,175	12/31/2023
Point72 Asset Management L.P.	309,300	$5,976	12/31/2023
AAOI	309,300	$5,976	12/31/2023
Citadel Advisors LLC		$5,454	12/31/2023
AAOI	407,840	$7,879	12/31/2023
Put	224,000	$4,328	12/31/2023
Call	98,500	$1,903	12/31/2023
Alyeska Investment Group L.P.	262,467	$5,071	12/31/2023
AAOI	262,467	$5,071	12/31/2023
Kennedy Capital Management Inc.	245,589	$4,745	12/31/2023
AAOI	245,589	$4,745	12/31/2023
Voloridge Investment Management LLC	245,243	$4,738	12/31/2023
AAOI	245,243	$4,738	12/31/2023
State Street Corp	237,395	$4,586	12/31/2023
AAOI	237,395	$4,586	12/31/2023
Skaana Management L.P.		$4,540	12/31/2023
FIXED INCOME	3,917,000	$5,547	12/31/2023
Put	56,500	$1,092	12/31/2023
Call	4,400	$85	12/31/2023
Trexquant Investment LP	165,070	$3,189	12/31/2023
AAOI	165,070	$3,189	12/31/2023
Acuitas Investments LLC	155,781	$3,010	12/31/2023
AAOI	155,781	$3,010	12/31/2023
Barclays PLC	151,722	$2,931	12/31/2023
AAOI	151,722	$2,931	12/31/2023
Point72 Hong Kong Ltd	140,669	$2,718	12/31/2023
AAOI	140,669	$2,718	12/31/2023
Dimensional Fund Advisors LP	128,390	$2,480	12/31/2023
AAOI	128,390	$2,480	12/31/2023
Jefferies Financial Group Inc.		$2,341	12/31/2023
AAOI	91,200	$1,762	12/31/2023
Call	45,000	$869	12/31/2023
Put	15,000	$290	12/31/2023
CenterBook Partners LP	119,614	$2,311	12/31/2023
AAOI	119,614	$2,311	12/31/2023
Squarepoint Ops LLC	117,361	$2,267	12/31/2023
AAOI	117,361	$2,267	12/31/2023
Gamco Investors INC. ET AL	113,900	$2,201	12/31/2023
AAOI	113,900	$2,201	12/31/2023
Two Sigma Investments LP	112,828	$2,180	12/31/2023
AAOI	112,828	$2,180	12/31/2023
Tudor Investment Corp Et Al	107,487	$2,077	12/31/2023
AAOI	107,487	$2,077	12/31/2023
Deutsche Bank AG	105,788	$2,044	12/31/2023
AAOI	105,788	$2,044	12/31/2023
Rice Hall James & Associates LLC	140,688	$1,950	03/31/2024
AAOI	140,688	$1,950	03/31/2024
Polymer Capital Management HK LTD	100,000	$1,932	12/31/2023
AAOI	100,000	$1,932	12/31/2023
Northern Trust Corp	91,173	$1,761	12/31/2023
AAOI	91,173	$1,761	12/31/2023
Nomura Holdings Inc.	77,689	$1,501	12/31/2023
AAOI	77,689	$1,501	12/31/2023
Wolverine Trading LLC		$1,446	12/31/2023
Call	76,100	$1,470	12/31/2023
Put	27,800	$537	12/31/2023
AAOI	26,557	$513	12/31/2023
Cubist Systematic Strategies LLC		$1,280	12/31/2023
Call	71,500	$1,381	12/31/2023
Put	54,800	$1,059	12/31/2023
AAOI	49,602	$958	12/31/2023
GSA Capital Partners LLP	65,252	$1,261	12/31/2023
AAOI	65,252	$1,261	12/31/2023
Bank of America Corp DE	64,054	$1,238	12/31/2023
AAOI	64,054	$1,238	12/31/2023
Qube Research & Technologies Ltd	60,392	$1,167	12/31/2023
AAOI	60,392	$1,167	12/31/2023
Engineers Gate Manager LP	57,688	$1,115	12/31/2023
AAOI	57,688	$1,115	12/31/2023
Bridgeway Capital Management Inc.	54,300	$1,049	12/31/2023
AAOI	54,300	$1,049	12/31/2023
Collaborative Holdings Management LP	48,000	$927	12/31/2023
AAOI	48,000	$927	12/31/2023
Simplex Trading LLC		$913	03/31/2024
Call	98,700	$1,367	03/31/2024
Put	80,400	$1,114	03/31/2024
AAOI	47,674	$660	03/31/2024
Gabelli Funds LLC	41,000	$792	12/31/2023
AAOI	41,000	$792	12/31/2023
EAM Investors LLC	40,723	$787	12/31/2023
AAOI	40,723	$787	12/31/2023
Man Group plc	37,961	$733	12/31/2023
AAOI	37,961	$733	12/31/2023
GABELLI & Co INVESTMENT ADVISERS INC.	36,500	$705	12/31/2023
AAOI	36,500	$705	12/31/2023
Raymond James Financial Services Advisors Inc.	50,293	$697	03/31/2024
AAOI	50,293	$697	03/31/2024
White Pine Capital LLC	35,643	$689	12/31/2023
AAOI	35,643	$689	12/31/2023
Balyasny Asset Management LLC	35,043	$677	12/31/2023
AAOI	35,043	$677	12/31/2023
UBS Group AG	27,208	$526	12/31/2023
AAOI	27,208	$526	12/31/2023
Renaissance Technologies LLC	26,400	$510	12/31/2023
AAOI	26,400	$510	12/31/2023
Alpha DNA Investment Management LLC	21,188	$409	12/31/2023
AAOI	21,188	$409	12/31/2023
Dark Forest Capital Management LP	20,804	$402	12/31/2023
AAOI	20,804	$402	12/31/2023
AE Wealth Management LLC	19,551	$378	12/31/2023
AAOI	19,551	$378	12/31/2023
Landscape Capital Management L.L.C.	19,463	$376	12/31/2023
AAOI	19,463	$376	12/31/2023
Mach 1 Financial Group Inc.	18,981	$367	12/31/2023
AAOI	18,981	$367	12/31/2023
Charles Schwab Investment Management Inc.	18,315	$354	12/31/2023
AAOI	18,315	$354	12/31/2023
Hidden Lake Asset Management LP	17,829	$344	12/31/2023
AAOI	17,829	$344	12/31/2023
LPL Financial LLC	17,245	$333	12/31/2023
AAOI	17,245	$333	12/31/2023
Gotham Asset Management LLC	16,965	$328	12/31/2023
AAOI	16,965	$328	12/31/2023
683 Capital Management LLC	16,407	$317	12/31/2023
AAOI	16,407	$317	12/31/2023
Bailard Inc.	15,800	$305	12/31/2023
AAOI	15,800	$305	12/31/2023
Cambridge Investment Research Advisors Inc.	21,415	$297	03/31/2024
AAOI	21,415	$297	03/31/2024
Walleye Trading LLC		$294	12/31/2023
Call	23,500	$454	12/31/2023
Put	8,300	$160	12/31/2023
Walleye Capital LLC		$288	12/31/2023
Call	17,500	$338	12/31/2023
Put	2,600	$50	12/31/2023
BNP Paribas Arbitrage SA	14,366	$278	12/31/2023
AAOI	14,366	$278	12/31/2023
Cornerstone Investment Partners LLC	12,753	$246	12/31/2023
AAOI	12,753	$246	12/31/2023
Tower Research Capital LLC TRC	12,704	$245	12/31/2023
AAOI	12,704	$245	12/31/2023
Marathon Trading Investment Management LLC	11,000	$213	12/31/2023
AAOI	11,000	$213	12/31/2023
Jump Financial LLC	10,500	$203	12/31/2023
AAOI	10,500	$203	12/31/2023
Symmetry Peak Management LLC		$193	12/31/2023
Call	10,000	$193	12/31/2023
Headlands Technologies LLC	9,899	$191	12/31/2023
AAOI	9,899	$191	12/31/2023
Wells Fargo & Company MN	9,760	$189	12/31/2023
AAOI	9,760	$189	12/31/2023
IMC Chicago LLC		$177	03/31/2024
Put	104,800	$1,453	03/31/2024
AAOI	59,505	$825	03/31/2024
Call	58,100	$805	03/31/2024
EntryPoint Capital LLC	3,075	$59	12/31/2023
AAOI	3,075	$59	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	2,494	$35	03/31/2024
AAOI	2,494	$35	03/31/2024
Advisor Group Holdings Inc.	1,000	$19	12/31/2023
AAOI	1,000	$19	12/31/2023
Advisory Services Network LLC	869	$17	12/31/2023
AAOI	869	$17	12/31/2023
Coppell Advisory Solutions LLC	807	$16	12/31/2023
AAOI	807	$16	12/31/2023
FMR LLC	706	$14	12/31/2023
AAOI	706	$14	12/31/2023
AJOVista LLC	442	$9	12/31/2023
AAOI	442	$9	12/31/2023
Tucker Asset Management LLC	400	$8	12/31/2023
AAOI	400	$8	12/31/2023
Archer Investment Corp	375	$7	12/31/2023
AAOI	375	$7	12/31/2023
JPMorgan Chase & Co.	336	$6	12/31/2023
AAOI	336	$6	12/31/2023
Macroview Investment Management LLC	330	$6	12/31/2023
AAOI	330	$6	12/31/2023
GWM Advisors LLC	300	$6	12/31/2023
AAOI	300	$6	12/31/2023
Larson Financial Group LLC	301	$6	12/31/2023
AAOI	301	$6	12/31/2023
Federated Hermes Inc.	81	$2	12/31/2023
AAOI	81	$2	12/31/2023
Sunbelt Securities Inc.	100	$1	03/31/2024
AAOI	100	$1	03/31/2024
Cypress Capital Management LLC WY	50	$1	12/31/2023
AAOI	50	$1	12/31/2023
Barrett & Company Inc.	11	$0	03/31/2024
AAOI	11	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
AAOI	0	$0	12/31/2023
Call	0	$0	12/31/2023
NOTE 5	0	$0	12/31/2023
Harbour Investments Inc.	5	$0	12/31/2023
AAOI	5	$0	12/31/2023
Northwestern Mutual Wealth Management Co.	25	$0	12/31/2023
AAOI	25	$0	12/31/2023
Crewe Advisors LLC	14	$0	12/31/2023
AAOI	14	$0	12/31/2023
Princeton Global Asset Management LLC	25	$0	12/31/2023
AAOI	25	$0	12/31/2023
Wolverine Asset Management LLC		$-2	12/31/2023
Put	100	$2	12/31/2023
Group One Trading L.P.	71,197	$-817	12/31/2023
Put	221,700	$4,283	12/31/2023
Call	108,200	$2,090	12/31/2023
AAOI	71,197	$1,376	12/31/2023