APPLIED OPTOELECTRONICS, INC. - Common Stock, Par value $0.001 (AAOI)

CUSIP: 03823U102

Q1 2024 13F Holders as of 31 Mar 2024

Holder snapshot 7 signals
Share change
+5,047,119
Put/Call ratio
89%
SEC-reported price per share
$13.86
Number of holders
116
Value change
+$62,150,365
Number of buys
75
Open additional details 1 more signal available
Number of sells
56
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
81,364,875

Security key

03823U102

Report period

Q1 2024

Institutions

116

Top holders

10

Ownership snapshot

Top reported holders of AAOI - APPLIED OPTOELECTRONICS, INC. - Common Stock, Par value $0.001 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
DRIEHAUS CAPITAL MANAGEME...
Disclosed value leader
DRIEHAUS CAPITAL MANAGEME...
Comparable rows
15/15
Latest evidence
31 Dec 2023
13F Lead comparable stake: 3.4% Showing 1-6 of 15 holder rows.

Quick read

DRIEHAUS CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 3.4%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens DRIEHAUS CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
DRIEHAUS CAPITAL MANAGEMENT LLC 3.4%
Portolan Capital Management, LLC 1.9%
VANGUARD GROUP INC 1.9%
Hood River Capital Management LLC 1.7%
Whale Rock Capital Management LLC 1.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
13F
3.4%
$53,445,264
2,766,318 shares
31 Dec 2023
Portolan Capital Management, LLC
13F
Company
13F
1.9%
$29,735,084
1,539,083 shares
31 Dec 2023
VANGUARD GROUP INC
13F
Company
13F
1.9%
$29,216,110
1,512,221 shares
31 Dec 2023
Hood River Capital Management LLC
13F
Company
13F
1.7%
$26,103,696
1,351,123 shares
31 Dec 2023
Whale Rock Capital Management LLC
13F
Company
13F
1.3%
$19,818,166
1,025,785 shares
31 Dec 2023
ROYCE & ASSOCIATES LP
13F
Company
13F
1.2%
$19,424,966
1,005,433 shares
31 Dec 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
116
Shares
28,634,139
Rows available
116
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2024 vs Q1 2024 Across Filers

Q1 2024 holders
116
Q1 2024 holders
116
Holder diff
0
Investor Q1 2024 Shares Q1 2024 Shares Share Diff Share Chg % Q1 2024 value Q1 2024 value Value change Value Chg %
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