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Data sourced from ASIC with T+4 trading day delay. Not financial advice.

© 2026 Shorted

OwnershipRegistersEOS register

Electro Optic Systems Holdings substantial holders

ASX:EOS register

Who holds EOS as its ASX substantial holding notices state it: every holder of 5% or more whose notice we could read, what that notice states, and how each holding stepped from notice to notice. Index fund files and super fund option disclosures sit beside the notices, never added to them.

Notices read to 2026-11-02 · short interest 11.54% of 221.7M shares on issue, as of 2026-10-28 (ASIC, T+4) · index fund files as at 2026-09-30 to 2026-10-30 · super options as at 2026-06-30 · Not financial advice

  • Stock overview →
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  • Short interest →

The register

Disclosed by notices
36.94%
6 interests counted once, 6 holders; not a share of the company
Index funds tracked
2.96%
7 files, as at 2026-09-30 to 2026-10-30
Super options tracked
11
$59.1M combined, as at 2026-06-30

What the notices disclose, each interest counted once; not a share of the company.

Substantial holders

The notices behind each line are listed in the Notices table below.

  1. WASHINGTON H. SOUL PATTINSON AND COMPANY LIMITED
    Listed company
    8.46%
    2026-05-22 · 5 mo
    −0.66 pp
  2. State Street Corporation
    Index manager
    6.17%
    2026-08-17
    +1.03 pp
  3. Citigroup Global Markets Australia Pty Limited
    Bank or broker
    5.8902%
    2026-10-21
    −1.08 pp
  4. EOS LOAN PLAN PTY LTD
    Unclassified
    5.70%
    2025-03-17 · 20 mo
    −2.25 pp
  5. Vanguard Group
    Index manager
    5.672%
    2026-09-18
    Became substantial
  6. Australian Retirement Trust Pty LTD ATF Australian Retirement Trust
    Super fund
    5.047%
    2026-10-14
    Became substantial
  7. JPMorgan Chase & Co
    Bank or broker
    under 5%
    2026-03-20 · 7 mo
    Ceased
  8. EOS LOAN PLAN PTY LMIITED
    Unclassified
    under 5%
    2026-02-23 · 8 mo
    Ceased
  9. FMR LLC
    Active manager
    under 5%
    2025-09-22 · 13 mo
    Ceased
2026
One line per holder, stepping at each notice read, on its own scale from 5% up: a small step on a large holding is slight here and exact in the figures beside it. Flat between notices means no later notice was read: a holding can move by less than the 1 percentage point that requires a new notice, and a notice we withheld is not drawn. A line ending at the 5% edge is a cessation (Form 605): under 5%, not zero. A dotted tail is the time since the holder's last notice read; a dotted lead-in is the previous figure the first notice drawn states. A notice without an event date sits on its release date. From 2025-03-17 to 2026-11-02. 3 notices listed under EOS were withheld: not read or not reconcilable, never estimated.

Index funds and super options

Index fund figures are the funds' own holdings files; Vanguard's are the pooled fund behind each ETF, not the ETF alone (marked P). Super fund figures are one investment option's disclosure, never the whole fund. Each row carries its file's date.

FundSourceValueOf sharesOf fundAs at
VanguardVanguard Australian Shares Index Fund (VAS)Ppooled wholesale fund, not the ETF aloneIndex fund file$44.7M1.79%0.08%2026-09-30
RestGrowthSuper option$21.9M0.96%0.02%2026-06-30
HostplusBalancedSuper option$21.2M0.93%0.02%2026-06-30
BetasharesA200, Betashares Australia 200 ETFIndex fund file$7.0M0.37%0.06%2026-10-30
HESTABalanced GrowthSuper option$6.7M0.29%0.01%2026-06-30
BlackRockIOZ, iShares Core S&P/ASX 200 ETFIndex fund file$6.2M0.33%0.06%2026-10-30
Australian Retirement TrustBalancedSuper option$6.0M0.26%0.02%2026-06-30
VanguardVanguard MSCI Australian Small Companies Index Fund (VSO)Ppooled wholesale fund, not the ETF aloneIndex fund file$5.0M0.20%0.42%2026-09-30
State StreetSTW, SPDR S&P/ASX 200 FundIndex fund file$4.2M0.22%0.06%2026-10-30
Aware SuperBalanced (Accumulation)Super option$1.4M0.06%<0.01%2026-06-30
Equip SuperBalanced GrowthSuper option$1.2M0.05%0.04%2026-06-30
BlackRockISO, iShares S&P/ASX Small Ordinaries ETFIndex fund file$763.9K0.04%0.62%2026-10-30
Brighter SuperBalancedSuper option$345.6K0.02%0.01%2026-06-30
Mercer SuperMercer GrowthSuper option$194.5K0.01%<0.01%2026-06-30
Cbus SuperGrowth (Cbus MySuper)Super option$152.5K0.01%<0.01%2026-06-30
State StreetSSO, SPDR S&P/ASX Small Ordinaries FundIndex fund file$147.9K0.01%0.62%2026-10-30
Vision SuperBalancedSuper option$10.3K0.00%<0.01%2026-06-30
LegalsuperBalancedSuper option$8.7K0.00%<0.01%2026-06-30

Notices

All notices for EOS →

EOS's substantial holding notices
ReleasedHolderNoticeVoting powerChangeDocument
2026-10-21Citigroup Global Markets Australia Pty LimitedChanged5.8902%−1.08 pp
2026-10-16Australian Retirement Trust Pty LTD ATF Australian Retirement TrustBecame substantial5.047%
2026-10-15Citigroup Global Markets Australia Pty LimitedChanged6.9711%+1.89 pp
2026-10-09Citigroup Global Markets Australia Pty LimitedBecame substantial5.0837%
2026-09-28Citigroup Global Markets Australia Pty LimitedCeasedunder 5%
2026-09-28Citigroup Global Markets Australia Pty LimitedBecame substantial5.1524%
2026-09-24Vanguard GroupBecame substantial5.672%
2026-08-19State Street CorporationChanged6.17%+1.03 pp
2026-08-03State Street CorporationChanged5.14%−1.30 pp
2026-07-31State Street CorporationChanged6.44%+1.08 pp
2026-07-24State Street CorporationBecame substantial5.36%
2026-07-21State Street CorporationCeasedunder 5%
2026-07-15State Street CorporationChanged5.20%−1.04 pp
2026-07-02State Street CorporationBecame substantial6.24%
2026-07-01State Street CorporationCeasedunder 5%
2026-06-30State Street CorporationBecame substantial5.10%
2026-06-29State Street CorporationCeasedunder 5%
2026-06-25State Street CorporationBecame substantial5.66%
2026-06-23State Street CorporationCeasedunder 5%
2026-06-04State Street CorporationBecame substantial5.76%
2026-05-27WASHINGTON H. SOUL PATTINSON AND COMPANY LIMITEDChanged8.46%−0.66 pp
2026-05-26State Street CorporationCeasedunder 5%
2026-05-25Citigroup Global Markets Australia Pty LimitedCeasedunder 5%
2026-05-25Citigroup Global Markets Australia Pty LimitedBecame substantial5.0387%
2026-05-21Citigroup Global Markets Australia Pty LimitedCeasedunder 5%

Sources and method

  • ASX substantial holding notices (Corporations Act s671B, Forms 603, 604 and 605), read from the notice PDF; read to 2026-11-02.
  • Index fund holdings files: 7 files holding EOS, as at 2026-09-30 to 2026-10-30.
  • Super fund portfolio holdings disclosures, one option per fund: 11 options holding EOS, as at 2026-06-30.
  • ASIC short position report, as of 2026-10-28, published T+4.

3 notices listed under EOS were withheld: not read or not reconcilable, never estimated.

Substantial holdings are the voting power stated in each holder's latest ASX notice (Corporations Act s671B, Forms 603, 604 and 605), read from the notice PDF. A holding is shown until a later notice read says it changed or ceased; the date is the notice's, and "current" means the newest notice we could read. A notice whose voting power cannot be read unambiguously (a scanned form, a figure only in an annexure) is withheld, never estimated.

Holders' interests can overlap: MUFG reports Morgan Stanley's and First Sentier's interests as its own. Sums count each interest once where the overlap is known (a group and its member count the larger figure; two notices disclosing the same voting power on the same date count once), and every holder is still listed. Other overlaps remain, so a sum is what the notices disclose, not a share of the company. Banks' and brokers' notices are often securities lending, so crowded registers do not count them. A fall in voting power is a fall in the notice's figure, not necessarily a disposal: a placement dilutes a holder whose shares did not change.

Index fund holdings are the funds' own holdings files (Vanguard's are the pooled fund behind each ETF); super fund holdings are each fund's portfolio holdings disclosure for one investment option, not the whole fund. Short interest is ASIC's daily short position report. Not financial advice.

Spotted a problem with a figure? Report an error and the affected notice will be read again against its PDF.

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