There is a long list of 364 institutional holders of SPLK within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of SPLK by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-SPLK table below, the initial column indicates the name of each top institutional holder of SPLK, with a link to that fund's top holdings. The next columns indicate the amount of SPLK stock held by each of the institutional holders of SPLK, followed by the SPLK position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Opti Capital Management LP		$25,539,525	12/31/2023
NOTE 1	26,305,000	$25,539,525	12/31/2023
H&F Corporate Investors X Ltd.	12,799,822	$1,950,053	12/31/2023
SPLK	12,799,822	$1,950,053	12/31/2023
Primecap Management Co. CA	10,820,268	$1,648,468	12/31/2023
SPLK	10,820,268	$1,648,468	12/31/2023
Goldman Sachs Group Inc.		$1,077,718	12/31/2023
CMN	8,924,000	$982,979	12/31/2023
SPLK	619,372	$94,361	12/31/2023
Put	12,500	$1,904	12/31/2023
CNV	1,256,000	$1,216	12/31/2023
Call	7,000	$1,066	12/31/2023
HBK Investments L P		$782,981	12/31/2023
SPLK	4,623,913	$704,453	12/31/2023
NOTE 1	71,128,000	$78,528	12/31/2023
FIL Ltd	4,586,306	$698,724	12/31/2023
SPLK	4,586,306	$698,724	12/31/2023
State Street Corp		$636,427	12/31/2023
SPLK	3,858,258	$587,806	12/31/2023
NOTE 1	29,825,000	$28,902	12/31/2023
NOTE 1	17,851,000	$19,719	12/31/2023
Norges Bank	2,486,711	$378,850	12/31/2023
SPLK	2,486,711	$378,850	12/31/2023
Geode Capital Management LLC	2,453,284	$373,221	12/31/2023
SPLK	2,453,284	$373,221	12/31/2023
Millennium Management LLC		$317,726	12/31/2023
SPLK	2,095,095	$319,188	12/31/2023
Put	123,100	$18,754	12/31/2023
Call	113,500	$17,292	12/31/2023
Morgan Stanley		$296,847	12/31/2023
SPLK	1,882,117	$286,741	12/31/2023
NOTE 1	6,920,000	$7,625	12/31/2023
NOTE 1	2,560,000	$2,481	12/31/2023
Pentwater Capital Management LP		$281,360	12/31/2023
SPLK	4,060,000	$618,541	12/31/2023
Put	2,213,200	$337,181	12/31/2023
Qube Research & Technologies Ltd	1,806,587	$275,234	12/31/2023
SPLK	1,806,587	$275,234	12/31/2023
Balyasny Asset Management LLC	1,727,336	$263,160	12/31/2023
SPLK	1,727,336	$263,160	12/31/2023
Tudor Investment Corp Et Al	1,669,609	$254,365	12/31/2023
SPLK	1,669,609	$254,365	12/31/2023
UBS Asset Management Americas Inc.		$247,615	12/31/2023
SPLK	1,340,411	$204,212	12/31/2023
CONV BD US	45,000,000	$43,403	12/31/2023
Westchester Capital Management LLC		$243,377	12/31/2023
SPLK	1,199,038	$182,673	12/31/2023
NOTE 1	62,356,000	$60,704	12/31/2023
UBS Group AG		$231,763	12/31/2023
SPLK	1,275,550	$194,330	12/31/2023
Call	463,900	$70,675	12/31/2023
Put	218,200	$33,243	12/31/2023
NOTE 1	1,000	$1	12/31/2023
Jericho Capital Asset Management L.P.	1,394,000	$212,376	12/31/2023
SPLK	1,394,000	$212,376	12/31/2023
Bank of America Corp DE		$207,194	12/31/2023
SPLK	1,342,326	$204,503	12/31/2023
NOTE 1	2,341,000	$2,579	12/31/2023
NOTE 1	116,000	$112	12/31/2023
Barclays PLC		$207,164	12/31/2023
SPLK	1,381,364	$210,449	12/31/2023
Put	48,000	$7,313	12/31/2023
BOND	2,891,000	$3,190	12/31/2023
Call	5,500	$838	12/31/2023
Invesco Ltd.		$201,821	12/31/2023
NOTE 1	109,038,000	$105,603	12/31/2023
SPLK	628,662	$95,777	12/31/2023
NOTE 1	400,000	$441	12/31/2023
Jane Street Group LLC		$189,704	12/31/2023
SPLK	742,879	$113,178	12/31/2023
Call	591,300	$90,085	12/31/2023
Put	89,000	$13,559	12/31/2023
Legal & General Group Plc	1,161,179	$176,906	12/31/2023
SPLK	1,161,179	$176,906	12/31/2023
Clearbridge Investments LLC	1,085,556	$165,385	12/31/2023
SPLK	1,085,556	$165,385	12/31/2023
Northern Trust Corp	1,070,212	$163,047	12/31/2023
SPLK	1,070,212	$163,047	12/31/2023
Nuveen Asset Management LLC	1,046,844	$159,487	12/31/2023
SPLK	1,046,844	$159,487	12/31/2023
Soros Fund Management LLC		$156,315	12/31/2023
SPLK	1,580,001	$240,713	12/31/2023
Put	1,000,000	$152,350	12/31/2023
NOTE 1	70,000,000	$67,952	12/31/2023
Deutsche Bank AG		$154,559	12/31/2023
SPLK	994,164	$151,461	12/31/2023
NOTE 1	1,806,000	$1,989	12/31/2023
NOTE 1	1,145,000	$1,109	12/31/2023
Renaissance Technologies LLC	912,700	$139,050	12/31/2023
SPLK	912,700	$139,050	12/31/2023
First Trust Advisors LP	838,501	$127,746	12/31/2023
SPLK	838,501	$127,746	12/31/2023
Empyrean Capital Partners LP	826,000	$125,841	12/31/2023
SPLK	826,000	$125,841	12/31/2023
Citadel Advisors LLC		$122,438	12/31/2023
Call	686,200	$104,543	12/31/2023
SPLK	513,964	$78,302	12/31/2023
Put	396,500	$60,407	12/31/2023
Hudson Bay Capital Management LP	800,000	$121,880	12/31/2023
SPLK	800,000	$121,880	12/31/2023
Man Group plc		$106,627	12/31/2023
SPLK	645,728	$98,377	12/31/2023
NOTE 1	6,644,000	$7,299	12/31/2023
NOTE 1	980,000	$951	12/31/2023
Amundi		$104,307	12/31/2023
SPLK	588,816	$89,724	12/31/2023
SR GLBL COCO 25	8,000,000	$8,852	12/31/2023
SR GLBL COCO 27	5,917,000	$5,731	12/31/2023
Weiss Asset Management LP		$104,295	12/31/2023
NOTE 1	78,698,000	$86,828	12/31/2023
NOTE 1	18,000,000	$17,467	12/31/2023
Hsbc Holdings PLC		$102,481	12/31/2023
Call	418,300	$63,674	12/31/2023
SPLK	295,060	$44,926	12/31/2023
Put	40,200	$6,119	12/31/2023
Melqart Asset Management UK Ltd	639,521	$97,431	12/31/2023
SPLK	639,521	$97,431	12/31/2023
Royal Bank of Canada		$93,512	12/31/2023
SPLK	612,849	$93,368	12/31/2023
NOTE 1	145,000	$140	12/31/2023
NOTE 1	4,000	$4	12/31/2023
Neuberger Berman Group LLC	595,963	$90,795	12/31/2023
SPLK	595,963	$90,795	12/31/2023
Magnetar Financial LLC	546,078	$83,195	12/31/2023
SPLK	546,078	$83,195	12/31/2023
Shaolin Capital Management LLC		$82,852	12/31/2023
NOTE 1	93,500,000	$103,221	12/31/2023
Put	133,700	$20,369	12/31/2023
TIG Advisors LLC	538,453	$82,033	12/31/2023
SPLK	538,453	$82,033	12/31/2023
Water Island Capital LLC		$81,740	12/31/2023
SPLK	479,432	$73,041	12/31/2023
Convertible Bond	8,362,000	$8,699	12/31/2023
Glazer Capital LLC		$76,310	12/31/2023
NOTE 1	67,520,000	$74,373	12/31/2023
NOTE 1	2,000,000	$1,937	12/31/2023
Bank of Montreal Can		$74,595	12/31/2023
SPLK	368,240	$56,153	12/31/2023
NOTE 1	16,714,000	$18,442	12/31/2023
Carlson Capital L P	475,865	$72,498	12/31/2023
SPLK	475,865	$72,498	12/31/2023
Natixis		$71,769	12/31/2023
SPLK	451,080	$68,722	12/31/2023
Call	20,000	$3,047	12/31/2023
Kovitz Investment Group Partners LLC		$70,424	12/31/2023
SPLK	434,309	$66,167	12/31/2023
NOTE 1	4,395,000	$4,257	12/31/2023