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Ostin Technology Group
OST

17 hedge funds and large institutions have $868K invested in Ostin Technology Group in 2025 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 1 increasing their positions, 0 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

4,169% more capital invested

Capital invested by funds: $20.3K → $868K (+$847K)

1,400% more first-time investments, than exits

New positions opened: 15 | Existing positions closed: 1

467% more funds holding

Funds holding: 3 → 17 (+14)

0.16% more ownership

Funds ownership: 0.03% → 0.19% (+0.16%)

Holders
17
Holders Change
+14
Holders Change %
+466.67%
% of All Funds
0.22%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
1
Reduced
–
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
+$8.51M
2
Morgan Stanley
Morgan Stanley
New York
+$5.15M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$2.67M
4
QC
Quadrature Capital
United Kingdom
+$1.29M
5
MG
Marex Group
+$1.15M

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$19.8K
Name Holding Trade Value Shares
Change 		Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$333K +$8.51M +84,192 New
Morgan Stanley
2
Morgan Stanley
New York
$202K +$5.15M +50,956 New
Qube Research & Technologies (QRT)
3
Qube Research & Technologies (QRT)
United Kingdom
$104K +$2.67M +26,404 New
MG
4
Marex Group
$99.6K +$1.15M +11,395 New
QC
5
Quadrature Capital
United Kingdom
$49.2K +$1.29M +12,724 New
Two Sigma Investments
6
Two Sigma Investments
New York
$19.6K +$499K +4,942 New
FIA
7
FNY Investment Advisers
New York
$13K +$336K +3,328 New
Geode Capital Management
8
Geode Capital Management
Massachusetts
$10.3K +$263K +2,608 New
UBS Group
9
UBS Group
Switzerland
$7.75K +$197K +1,951 +16,258%
TSS
10
Two Sigma Securities
New York
$6.62K +$169K +1,673 New
BlackRock
11
BlackRock
New York
$6.13K +$156K +1,548 New
Squarepoint
12
Squarepoint
New York
$3.71K +$94.9K +939 New
CSS
13
Cubist Systematic Strategies
Connecticut
$3.41K +$87.1K +862 New
Barclays
14
Barclays
United Kingdom
$3.34K +$85.3K +844 New
FDCDDQ
15
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.19K +$81.5K +807 New
QT
16
Quantbot Technologies
New York
$2.33K +$59.6K +590 New
TWC
17
TD Waterhouse Canada
Ontario, Canada
$12 – – –
Citadel Advisors
18
Citadel Advisors
Florida
– -$19.8K -500 Closed

OST Hedge Fund Activity: Q2 2025 in Review

17 of the 7,599 institutional investors tracked by Wall St. Rank reported a position in Ostin Technology Group (OST) for Q2 2025, worth a combined $868K — up 4,169% from $20.3K a quarter earlier.

Buyers outnumbered sellers: 15 funds opened new OST positions and 1 closed out — a net gain of 14 holders — while 1 added to existing stakes and 0 trimmed.

The largest buyer was Renaissance Technologies, opening a new position worth an estimated $8.51M. The largest seller was Citadel Advisors, exiting entirely with an estimated $19.8K sold.

  • 17 institutional investors held Ostin Technology Group (OST) as of Q2 2025, up from 3 in Q1 2025.
  • Funds reported $868K of Ostin Technology Group stock for Q2 2025, up 4,169% quarter-over-quarter.
  • 15 funds opened new Ostin Technology Group positions in Q2 2025 and 1 closed out, a net change of +14 holders.
  • The largest Ostin Technology Group buyer in Q2 2025 was Renaissance Technologies, an estimated $8.51M added.
  • The largest Ostin Technology Group seller in Q2 2025 was Citadel Advisors, an estimated $19.8K sold.

Based on aggregated 13F filings for Q2 2025.