13F Filings History of 13D Management LLC

Latest 13F report
Q4 2025 - 17 Feb 2026
Value $
$84,045,307
Notable people
Kenneth Squire
Signature - Title
Kenneth Squire - Managing Member
Location
New York, NY
Summary
This page shows a list of all the recent 13F filings made by 13D Management LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. 13D Management LLC reported 16 stock holdings with total value $84,045,307 as of Q4 2025. Top holdings included TWLO, MRCY, VSAT, ALV, and PSO.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 16 $84,045,307 +$15,404,683 -$37,843,691 -$22,439,008 TWLO, MRCY, VSAT, ALV, PSO 13F-HR 17 Feb 2026, 06:52
Q3 2025 18 $104,305,554 +$21,942,120 -$33,509,747 -$11,567,627 MRCY, QRVO, VSAT, ALV, PSO 13F-HR 14 Nov 2025, 06:05
Q2 2025 20 $109,613,737 +$6,476,315 -$16,628,648 -$10,152,333 TWLO, QRVO, MRCY, SWX, PSO 13F-HR 14 Aug 2025, 09:47
Q1 2025 21 $113,411,281 +$21,643,711 -$31,953,723 -$10,310,012 MRCY, PSO, NSIT, APD, SWX 13F-HR 15 May 2025, 07:41
Q4 2024 21 $134,983,235 +$32,318,635 -$37,834,197 -$5,515,562 TWLO, VSTS, SWX, MRCY, PSO 13F-HR 14 Feb 2025, 09:11
Q3 2024 22 $136,390,047 +$12,168,735 -$24,287,775 -$12,119,040 FYBR, NSIT, SWX, EXEL, MDU 13F-HR 14 Nov 2024, 09:11
Q2 2024 22 $137,056,094 +$37,046,936 -$58,386,446 -$21,339,510 NSIT, FYBR, SWX, EXEL, TWLO 13F-HR 14 Aug 2024, 08:45
Q1 2024 28 $163,799,752 +$22,158,049 -$33,556,761 -$11,398,712 GDDY, SWX, NSIT, FYBR, ELAN 13F-HR 15 May 2024, 09:00
Q4 2023 29 $169,944,466 +$51,952,583 -$65,551,338 -$13,598,755 FRPT, FYBR, NSIT, GDDY, EXEL 13F-HR 14 Feb 2024, 08:45
Q3 2023 28 $160,747,189 +$49,914,181 -$60,979,651 -$11,065,470 THS, CCK, NSIT, EXEL, FRPT 13F-HR 14 Nov 2023, 08:54
Q2 2023 28 $183,283,944 +$24,428,247 -$37,463,577 -$13,035,330 ARMK, THS, NSIT, DLTR, FRPT 13F-HR 14 Aug 2023, 08:51
Q1 2023 27 $196,881,261 +$25,834,984 -$30,352,423 -$4,517,439 HWM, THS, DLTR, NSIT, FRPT 13F-HR 15 May 2023, 08:53
Q4 2022 28 $190,137,330 +$21,494,974 -$42,649,864 -$21,154,890 HWM, THS, ARMK, DLTR, ALKS 13F-HR 14 Feb 2023, 09:34
Q3 2022 31 $191,107,000 +$30,781,000 -$36,860,677 -$6,079,677 DLTR, HWM, THS, OLN, ARMK 13F-HR 14 Nov 2022, 09:07
Q2 2022 30 $226,104,000 +$15,592,695 -$17,334,000 -$1,741,305 MRCY, DLTR, ALKS, HWM, OLN 13F-HR 15 Aug 2022, 08:53
Q1 2022 33 $262,890,000 +$71,892,364 -$58,908,773 +$12,983,591 DLTR, MRCY, HWM, OLN, HHC 13F-HR 16 May 2022, 08:48
Q4 2021 29 $260,832,000 +$35,519,857 -$46,892,151 -$11,372,294 PZZA, LNG, OLN, EVH, HHC 13F-HR 14 Feb 2022, 08:27
Q3 2021 31 $268,729,000 +$10,476,758 -$26,322,362 -$15,845,604 EVH, PZZA, LNG, ALKS, OLN 13F-HR 15 Nov 2021, 08:56
Q2 2021 31 $290,657,000 +$48,844,590 -$40,664,642 +$8,179,948 HWM, LNG, ELAN, BOX, PZZA 13F-HR 16 Aug 2021, 08:58
Q1 2021 31 $264,395,000 +$38,069,386 -$40,618,304 -$2,548,918 BOX, LNG, HWM, OLN, GCP 13F-HR 17 May 2021, 08:50
Q4 2020 31 $241,913,000 +$21,009,649 -$72,675,664 -$51,666,015 PRSP, LNG, HWM, TRN, GCP 13F-HR 16 Feb 2021, 08:57
Q3 2020 31 $227,119,000 +$42,233,463 -$48,989,029 -$6,755,566 LNG, HAIN, PZZA, NWL, GDOT 13F-HR 16 Nov 2020, 08:37
Q2 2020 30 $229,916,000 +$21,323,006 -$63,487,654 -$42,164,648 PZZA, TRN, ERIC, LNG, BOX 13F-HR 14 Aug 2020, 09:11
Q1 2020 27 $205,825,000 +$30,835,643 -$61,755,119 -$30,919,476 ERIC, BOX, STX, GEN, PZZA 13F-HR 15 May 2020, 16:01
Q4 2019 27 $329,439,000 +$112,805,182 -$111,408,444 +$1,396,738 CMG, GEN, MED, FSCT, PZZA 13F-HR 13 Feb 2020, 16:05
Q3 2019 23 $304,304,000 +$59,505,324 -$92,634,234 -$33,128,910 CMG, LNG, PZZA, SYMC, ARMK 13F-HR 14 Nov 2019, 16:01
Q2 2019 27 $331,834,000 +$58,787,307 -$60,214,608 -$1,427,301 SYMC, CMG, LNG, ERIC, PZZA 13F-HR 14 Aug 2019, 16:04
Q1 2019 28 $337,664,000 +$82,888,918 -$90,885,583 -$7,996,665 CMG, LNG, SYMC, ERIC, NLSN Restatement 08 May 2019, 16:32
Q4 2018 30 $309,288,000 +$67,738,589 -$63,766,012 +$3,972,577 MLNX, LNG, ERIC, SYMC, NLSN 13F-HR 14 Feb 2019, 09:01
Q3 2018 30 $362,906,000 +$59,119,073 -$88,679,000 -$29,559,927 LNG, NLSN, TRN, ERIC, HHC 13F-HR 14 Nov 2018, 16:09
Q2 2018 36 $392,122,000 +$52,682,005 -$34,007,689 +$18,674,316 LNG, HHC, MLNX, TRN, MRVL 13F-HR 14 Aug 2018, 16:08
Q1 2018 32 $360,510,000 +$74,246,503 -$45,679,409 +$28,567,094 MRVL, MLNX, HHC, MD, LNG 13F-HR 15 May 2018, 16:07
Q4 2017 34 $335,497,000 +$91,189,038 -$42,836,134 +$48,352,904 MRVL, HHC, BAX, LNG, AWI 13F-HR 14 Feb 2018, 08:46
Q3 2017 29 $263,130,000 +$51,742,361 -$78,474,000 -$26,731,639 MRVL, BAX, HHC, TEX, NXPI 13F-HR 14 Nov 2017, 16:05
Q2 2017 35 $269,818,000 +$37,588,254 -$21,989,676 +$15,598,578 MRVL, BCO, ABCO, BAX, LNG 13F-HR 14 Aug 2017, 16:24
Q1 2017 33 $254,773,000 +$41,961,305 -$42,389,025 -$427,720 MRVL, BCO, HHC, ABCO, LNG 13F-HR 15 May 2017, 16:17
Q4 2016 32 $244,040,000 +$44,442,675 -$40,597,381 +$3,845,294 MRVL, HDS, BCO, HHC, MDLZ 13F-HR 14 Feb 2017, 16:45
Q3 2016 33 $239,927,000 +$54,936,130 -$73,075,035 -$18,138,905 MRVL, CAB, IMPV, HHC, LOCK 13F-HR 14 Nov 2016, 16:01
Q2 2016 30 $243,210,000 +$37,052,973 -$21,087,719 +$15,965,254 HHC, CAB, ZTS, MFS, MRVL 13F-HR 15 Aug 2016, 16:06
Q1 2016 28 $221,366,000 +$42,236,585 -$143,109,605 -$100,873,020 MRVL, CAB, HHC, ZTS, CP 13F-HR 16 May 2016, 16:14
Q4 2015 34 $327,974,000 +$125,467,704 -$176,269,408 -$50,801,704 HHC, CBRE, DRI, ZTS, FNF 13F-HR 16 Feb 2016, 16:07
Q3 2015 25 $375,534,000 +$143,214,581 -$176,778,223 -$33,563,642 DRI, CBRE, FNF, AWI, ZTS 13F-HR 16 Nov 2015, 16:11
Q2 2015 33 $444,095,000 +$114,912,619 -$56,683,081 +$58,229,538 HHC, CBRE, DRI, HOLX, JNPR 13F-HR 14 Aug 2015, 16:09
Q1 2015 29 $393,208,000 +$85,992,601 -$73,445,514 +$12,547,087 HHC, CP, CBRE, ASH, DRI 13F-HR 15 May 2015, 16:05
Q4 2014 32 $362,214,000 +$82,366,526 -$60,267,331 +$22,099,195 CBRL, HHC, CP, TSRA, ASH 13F-HR 17 Feb 2015, 16:11
Q3 2014 34 $320,943,000 +$115,391,417 -$58,228,000 +$57,163,417 HHC, CP, CBRL, UNTCQ, TSRA 13F-HR 14 Nov 2014, 16:00
Q2 2014 36 $274,335,000 +$79,825,684 -$35,583,040 +$44,242,644 HHC, CP, UNTCQ, CBRL, CHK 13F-HR 14 Aug 2014, 16:09
Q1 2014 37 $217,957,000 +$99,017,365 -$17,481,443 +$81,535,922 HHC, VRX, UNTCQ, CBRL, LEA 13F-HR 15 May 2014, 16:13
Q4 2013 38 $134,770,000 $0 $0 $0 VRX, HHC, CBRL, LEA, FRX 13F-HR 14 Feb 2014, 16:26