Ticker · CUSIP 55354G100

MSCI

MSCI INC

Financial Services·Financial Data & Stock Exchanges

···Share

Holders (tracked)

Combined shares

7,994,483

Combined value

$4.59B

Last close

$568.55

Quarter

2025Q4

Price is -0.9% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$568.55+28.94 (+5.36%)H $622.30 · L $509.83 · Avg Vol 629K

Tracked holders · last 8 quarters

+4 vs previous quarter over the last 8.

SEC event timeline

30 events

Ken Griffin (Citadel Advisors) added2026-02-17
+467,752 shares · 2025Q4
Position
D.E. Shaw & Co. opened position2026-02-17
+382 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+188,574 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+151,999 shares · 2025Q4
Position
Steve Cohen (Point72) exited2026-02-17
−400 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+136,918 shares · 2025Q4
Position
Wellington Management added2026-02-17
+48,819 shares · 2025Q4
Position
Longview Partners (Guernsey) added2026-02-17
+13,319 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+11,606 shares · 2025Q4
Position
Valley Forge Capital added2026-02-17
+1,070 shares · 2025Q4
Position
Ron Baron (Baron Capital / BAMCO) added2026-02-17
+361,630 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−116,998 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) opened position2026-02-13
+971 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+921,269 shares · 2025Q4
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
−556 shares · 2025Q4
Position
Baillie Gifford & Co added2026-01-23
+155,290 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−1,663 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) added2025-11-14
+223,784 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−137,556 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−481,799 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−252,800 shares · 2025Q3
Position
D.E. Shaw & Co. exited2025-11-14
−14,696 shares · 2025Q3
Position
T. Rowe Price trimmed2025-11-14
−37,730 shares · 2025Q3
Position
Wellington Management added2025-11-14
+80,251 shares · 2025Q3
Position
Hillhouse (HHLR Advisors) exited2025-11-14
−2,008 shares · 2025Q3
Position
Longview Partners (Guernsey) added2025-11-13
+687,766 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−949,037 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−140,521 shares · 2025Q3
Position
Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
−183 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+37,571 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for MSCI →

Follow-the-investor returns

If you'd copied each holder of MSCI…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Tom Gayner (Markel Group)	2016Q1	$88.11	+545.3%	$81.2M
Ron Baron (Baron Capital / BAMCO)	2016Q1	$231.43	+145.7%	$1.57B
Ken Fisher (Fisher Asset Mgmt)	2018Q4	$262.51	+116.6%	$1.6M
Ray Dalio (Bridgewater Associates)	2017Q4	$385.39	+47.5%	$552K
T. Rowe Price	2016Q1	$464.45	+22.4%	$204.7M
Wellington Management	2016Q1	$513.76	+10.7%	$198.4M
Two Sigma Investments	2016Q1	$550.68	+3.2%	$211.9M
AQR Capital Management	2016Q1	$552.01	+3.0%	$230.0M
Longview Partners (Guernsey)	2025Q2	$567.82	+0.1%	$411.5M
Baillie Gifford & Co	2025Q2	$572.54	-0.7%	$481.5M
Paul Tudor Jones (Tudor Investment)	2016Q1	$573.60	-0.9%	$6.6M
Paul Tudor Jones (Tudor Investment)	2016Q1	$573.60	-0.9%	$6.6M
Izzy Englander (Millennium Mgmt)	2016Q4	$573.61	-0.9%	$4.5M
Izzy Englander (Millennium Mgmt)	2016Q4	$573.61	-0.9%	$4.5M
Izzy Englander (Millennium Mgmt)	2016Q4	$573.61	-0.9%	$4.5M
Ken Griffin (Citadel Advisors)	2016Q1	$573.73	-0.9%	$282.5M
Ken Griffin (Citadel Advisors)	2016Q1	$573.73	-0.9%	$282.5M
Ken Griffin (Citadel Advisors)	2016Q1	$573.73	-0.9%	$282.5M
D.E. Shaw & Co.	2016Q1	$595.71	-4.6%	$217K
Valley Forge Capital	2024Q4	$599.55	-5.2%	$34.6M
Norges Bank (Norway SWF)	2016Q1	$17903.79	-96.8%	$523.8M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions4

Norges Bank (Norway SWF)
+921,269
$528.6M
Paul Tudor Jones (Tudor Investment)
+11,606
$6.7M
Ray Dalio (Bridgewater Associates)
+971
$557K
D.E. Shaw & Co.
+382
$219K

Added to9

Ken Griffin (Citadel Advisors)
+467,752
$268.4M
Ron Baron (Baron Capital / BAMCO)
+361,630
$207.5M
Two Sigma Investments
+188,574
$108.2M
Baillie Gifford & Co
+155,290
$89.1M
Izzy Englander (Millennium Mgmt)
+151,999
$87.2M
Wellington Management
+48,819
$28.0M
Longview Partners (Guernsey)
+13,319
$7.6M
Valley Forge Capital
+1,070
$614K
T. Rowe Price
+136,918
$79K

Trimmed2

AQR Capital Management
−116,998
$67.1M
Ken Fisher (Fisher Asset Mgmt)
−556
$319K

Exited1

Steve Cohen (Point72)
−400
$227K

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	21	12,547,133	$377.08B	—
2022Q2	22	14,207,528	$316.29B	+1
2022Q3	18	12,279,756	$5.18B	-4
2022Q4	18	13,266,558	$6.17B	—
2023Q1	19	12,526,392	$7.01B	+1
2023Q2	21	12,921,786	$6.06B	+2
2023Q3	20	11,201,888	$5.75B	-1
2023Q4	17	11,485,528	$6.50B	-3
2024Q1	22	12,747,301	$7.14B	+5
2024Q2	19	12,203,913	$5.88B	-3
2024Q3	20	5,552,961	$3.24B	+1
2024Q4	19	4,635,463	$2.78B	-1
2025Q1	19	4,877,661	$2.75B	—
2025Q2	24	6,544,112	$3.77B	+5
2025Q3	17	5,790,538	$3.29B	-7
2025Q4	21	7,994,483	$4.59B	+4

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-04-08	Rob Bresnahan	Buy	$1K – $15K	PDF ↗
2025-04-01	Julie Johnson	Sell	$1K – $15K	PDF ↗
2025-03-20	Byron Donalds	Sell	$1K – $15K	PDF ↗
2025-03-20	Byron Donalds	Sell	$1K – $15K	PDF ↗
2025-01-15	Julie Johnson	Buy	$1K – $15K	PDF ↗
2025-01-13	Rob Bresnahan	Sell	$1K – $15K	PDF ↗

Who owns MSCI

21 super-investors · 2025Q4

Tracked stake

7.99M

Combined value

$4.59B

% of shares outstanding

—

shares-out unknown

Quarter action mix

New5Added13Trim2Held1

#	Manager	Shares	Value	% of book	Last action
1	Ron Baron Baron Capital / BAMCO	2.76M	$1.58B	4.3%	Added+361.6K
2	Norges Bank Norway SWF	921.3K	$529M	0.1%	New+921.3K
3	Baillie Gifford & Co	846.8K	$486M	0.4%	Added+155.3K
4	Longview Partners Guernsey	723.8K	$415M	4.3%	Added+13.3K
5	Ken Griffin Citadel Advisors	496.9K	$285M	0.0%	Added+467.8K
6	Izzy Englander Millennium Mgmt	486.0K	$279M	0.1%	Added+152.0K
7	AQR Capital Management	404.6K	$232M	0.1%	Trim−117.0K
8	Two Sigma Investments	372.6K	$214M	0.3%	Added+188.6K
9	T. Rowe Price	360.0K	$207M	0.0%	Added+136.9K
10	Wellington Management	349.0K	$200M	0.0%	Added+48.8K
11	Tom Gayner Markel Group	142.8K	$82M	0.7%	Held
12	Valley Forge Capital	60.8K	$35M	0.8%	Added+1.1K
13	Ken Griffin Citadel Advisors	21.1K	$12M	0.0%	Added+467.8K
14	Ken Griffin Citadel Advisors	18.9K	$11M	0.0%	Added+467.8K
15	Paul Tudor Jones Tudor Investment	11.6K	$7M	0.0%	New+11.6K
16	Izzy Englander Millennium Mgmt	9.5K	$5M	0.0%	Added+152.0K
17	Izzy Englander Millennium Mgmt	8.0K	$5M	0.0%	Added+152.0K
18	Ken Fisher Fisher Asset Mgmt	2.7K	$2M	0.0%	Trim−556
19	Ray Dalio Bridgewater Associates	971	$557K	0.0%	New+971
20	Paul Tudor Jones Tudor Investment	900	$516K	0.0%	New+11.6K
21	D.E. Shaw & Co.	382	$219K	0.0%	New+382

Recent moves

20 transactions

SOLDSteve Cohen (Point72)
−400 · 2025Q4
TRIMAQR Capital Management
−116,998 · 2025Q4
ADDT. Rowe Price
+136,918 · 2025Q4
ADDRon Baron (Baron Capital / BAMCO)
+361,630 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+151,999 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+467,752 · 2025Q4
NEWD.E. Shaw & Co.
+382 · 2025Q4
ADDWellington Management
+48,819 · 2025Q4
ADDTwo Sigma Investments
+188,574 · 2025Q4
ADDLongview Partners (Guernsey)
+13,319 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+11,606 · 2025Q4
ADDValley Forge Capital
+1,070 · 2025Q4
NEWRay Dalio (Bridgewater Associates)
+971 · 2025Q4
NEWNorges Bank (Norway SWF)
+921,269 · 2025Q4
TRIMKen Fisher (Fisher Asset Mgmt)
−556 · 2025Q4
ADDBaillie Gifford & Co
+155,290 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−1,663 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−481,799 · 2025Q3
TRIMTwo Sigma Investments
−252,800 · 2025Q3
SOLDD.E. Shaw & Co.
−14,696 · 2025Q3

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