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OSI Systems
OSIS

309 hedge funds and large institutions have $3.79B invested in OSI Systems in 2025 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 97 increasing their positions, 117 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed

267% more call options, than puts

Call options by funds: $50.3M | Put options by funds: $13.7M

75% more funds holding in top 10

Funds holding in top 10: 4 → 7 (+3)

25% more capital invested

Capital invested by funds: $3.03B → $3.79B (+$755M)

15% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 47

7.68% more ownership

Funds ownership: 108.33% → 116% (+7.7%)

1% more funds holding

Funds holding: 306 → 309 (+3)

17% less repeat investments, than reductions

Existing positions increased: 97 | Existing positions reduced: 117

Holders
309
Holders Change
+3
Holders Change %
+0.98%
% of All Funds
4.14%
Holding in Top 10
7
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+75%
% of All Funds
0.09%
New
54
Increased
97
Reduced
117
Closed
47
Calls
$50.3M
Puts
$13.7M
Net Calls
+$36.6M
Net Calls Change
-$2.98M

Top Buyers

Rank Fund Capital Flow
1
UBS AM
UBS AM
Illinois
+$103M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$66.2M
3
SCM
SG Capital Management
Illinois
+$43M
4
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$38.9M
5
Bank of America
Bank of America
North Carolina
+$38.6M

Top Sellers

Rank Fund Capital Flow
1
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$30.4M
2
Boston Partners
Boston Partners
Massachusetts
-$26.9M
3
BlackRock
BlackRock
New York
-$23.5M
4
Goldman Sachs
Goldman Sachs
New York
-$17.6M
5
Morgan Stanley
Morgan Stanley
New York
-$12.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
RIL
276
Rothschild Investment LLC
Illinois
$6.61K +$3.05K +16 +89%
SCM
277
Sterling Capital Management
North Carolina
$6.22K -$2.67K -14 -30%
BIA
278
Bell Investment Advisors
California
$6.03K – – –
TWC
279
TD Waterhouse Canada
Ontario, Canada
$5.06K +$4.95K +26 New
HWM
280
Hemington Wealth Management
Virginia
$5K +$3.24K +17 +189%
SS
281
SBI Securities
Japan
$4.86K – – –
VCM
282
Versant Capital Management
Arizona
$4.47K – – –
MPWT
283
MassMutual Private Wealth & Trust
Connecticut
$2.72K +$1.14K +6 +75%
AF
284
Allworth Financial
California
$2.63K – – –
OP
285
ORG Partners
Indiana
$2.53K +$2.48K +13 New
BIG
286
Brooklyn Investment Group
New York
$2.33K +$2.29K +12 New
HI
287
Harbour Investments
Wisconsin
$2.33K – – –
FMII
288
Farmers & Merchants Investments Inc
Nebraska
$2.14K – – –
TPCW
289
TD Private Client Wealth
New York
$2.14K +$2.1K +11 New
VNA
290
Valley National Advisers
Pennsylvania
$2K – – –
C
291
Covestor
United Kingdom
$2K +$190 +1 +14%
JWA
292
JFS Wealth Advisors
Pennsylvania
$1.94K – – –
HNW
293
High Note Wealth
Minnesota
$1.75K +$1.71K +9 New
APW
294
Aventura Private Wealth
Florida
$1.55K – – –
FDCDDQ
295
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.55K – – –
CFD
296
Creative Financial Designs
Indiana
$1.36K +$1.33K +7 New
Northwestern Mutual Wealth Management
297
Northwestern Mutual Wealth Management
Wisconsin
$1.17K -$1.33K -7 -54%
RF
298
Rossby Financial
Florida
$1.01K +$952 +5 New
SC
299
Stephens Consulting
Michigan
$972 +$952 +5 New
Amundi
300
Amundi
France
$902 +$952 +5 New
10 11
12
13 14

OSIS Hedge Fund Activity: Q1 2025 in Review

309 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in OSI Systems (OSIS) for Q1 2025, worth a combined $3.79B — up 25% from $3.03B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new OSIS positions and 47 closed out — a net gain of 7 holders — while 97 added to existing stakes and 117 trimmed.

The largest buyer was UBS AM, adding an estimated $103M. The largest seller was Dimensional Fund Advisors, cutting an estimated $30.4M.

  • 309 institutional investors held OSI Systems (OSIS) as of Q1 2025, up from 306 in Q4 2024.
  • Funds reported $3.79B of OSI Systems stock for Q1 2025, up 25% quarter-over-quarter.
  • 54 funds opened new OSI Systems positions in Q1 2025 and 47 closed out, a net change of +7 holders.
  • The largest OSI Systems buyer in Q1 2025 was UBS AM, an estimated $103M added.
  • The largest OSI Systems seller in Q1 2025 was Dimensional Fund Advisors, an estimated $30.4M sold.

Based on aggregated 13F filings for Q1 2025.